Bogner Heine 1987
Family Amaryllidaceae. Synonyms Crinum natans crispus. Etymology Crinum from krinon lily calamistratum cr spate, curly. Distribution Western Cameroon near Kumba . Description Aquatic plant with an oblong, 1-3-cm thick, up to 10-cm long bulb. Leaves rosette-like, strap-shaped, slightly twirled, 70-100 200 cm long, 0.2-0.7 cm wide, dark green margin cr spate. Midrib distinct. Peduncle up to 80 cm long, erect. Inflorescence with 1-3 well-scented flowers. Bracts about 3.5 cm long. Flower with an...
Cryptocoryne crispatula
Synonyms 1. var. crispatula C. retrospi-ralis Roxburgh Kunth var. crispatula En-gler de Wit, C. bertilihansenii Rataj 2. var. flaccidifolia none 3. var. balansae Gag-nep. N. Jacobsen C. balansae Gagnep., C. longispatha Merrill, C. kwangsiensis H. Li 4. var. sinensis Merr. N. Jacobsen C. sinensis Merr., C. yunnanensis H. Li 5. var. .tonkinensis Gagnep. N. Jacobsen C. tonki-nensis Gagnep., C. retrospiralis Roxb. Kunth var. tonkinensis Gagnep. de Wit. Etymology Cryptocoryne see C. afftnis...
Descaisne Hooker fil 1883
Family Aponogetonaceae. Synonyms Ouvirandra bernieriana De-caisne 1837 , Aponogeton quadrangulare Baker. Etymology Aponogeton see A. abyssinicus bernierianus after the collector Bernier. Distribution Eastern Madagascar. Description Aquatic plant with a 3-cm thick tuber or thick and branchy rhizome. Leaf blade up to 13 cm petiolate, strap-shaped, highly bullate and undulate, up to 50 120 cm long and 1.5 6.5 10 cm wide, dark green coloration. Peduncle up to 75 cm long, tapering towards the...
Hydrocotyle sibthorpioides
Synonyms Hydrocotyle rotundifolia Roxburgh, H. jap nica Makino, H. yabei Makino, H. rotundifolia var. pauciflora Yabe. Etymology Hydrocotyle see H. leucoce-phala sibthorpioides similar to the Sibthor-pia genus. Distribution Widely spread in tropical Asia, introduced to the New World. Description Small marsh plant with emersed creeping, thin glabrous shoots, also being erect in the water and producing roots on the nodes. Leaves alternate. Petiole 0.5-11 cm long. Leaf blade almost orbicular, with...
Hydrocleys martii
Family Limnocharitaceae. Synonyms Ostenia uruguayensis Buchenau, Hydrocleys uruguayensis Buchenau Peder-sen. Etymology Hydrocleys hydor Gr. water kleis - key martii after the German botanist K. F. P. von Martius 1794-1868 . Distribution Brazil, Argentina, Uruguay. Description Aquatic plant with runners up to 50 cm long. Juveniles submersed, sessile, linear. Mature leaves floating or emersed, up to 40 cm petiolate, on the base with an up to 8-cm sheath. Leaf blade wide ovate to orbicular, up to...
Hemianthus micranthemoides
Family Scrophulariaceae. Synonyms Micranthemum nuttallii A. Gray, M. micranthemoides Wettstein. Etymology Hemianthus from hemi half, and anthos flower, refers to the insignificant upper lip micranthemoides similar to a small Anthemis. Distribution East coast of North America. Description Delicate marsh plant with creeping or erect, glabrous, multibranched shoots. Leaves decussate or in 3-4-merous whorls, sessile, entire, lanceolate to elliptic, 3-9 mm long, 2-4 mm wide, light green. Flowers...
Cryptocoryne ciliata
Synonyms Ambrosina ciliata Roxb. 1819 and others. Etymology Cryptocoryne see C. affinis', ciliata fimbricate limb . Distribution From India to New Guinea. Description Marsh plant, emersed 50-90 cm, submersed up to 50 cm tall. Diploid plants are stoloniferous, triploid forms develop short, erect runners which break off from the rhizome. Leaves up to 40 cm petio-late. Blade narrow lanceolate to narrow ovoid, 15-25 50 cm long, 2-7 -20 cm wide, leathery, fleshy, stiff, vertical, smooth, medium...
Eichhornia heterosperma
Family Pontederiaceae. Synonyms Eichhornia venezuelensis Velasquez. Etymology Eichhornia see E. azurea heterosperma with different seeds. Distribution Central and South America up to northern Brazil . Description Marsh plant with floating in shallow water or creeping in boggy environments nonpubescent shoots. Stem, petiole and sheaths conspicuously wine red in color. Emersed leaves up to 15 cm petiolate petiole not inflated. Emersed leaf blades ob-lanceolate to wide obovoid, 3-10 cm long,...
Eichhornia crassipes
Synonyms Pontederia crassipes Martius Etymology Eichhornia see Eichhornia azurea crassipes thick-stemmed. Distribution Worldwide originally Brazil . Description Usually free-floating, up to about 50-cm tall plant with abundantly branched, bluish black roots. Internodes strongly compressed, so that the emersed leaves form a rosette. Petioles up to 40 cm long, spongy swollen. Sheath up to 15 cm long. Blade roundish to rhombic, sized up to 25 cm, apex obtuse, base cuneate to narrow cordate....
Eichhornia natans
Family Pontederiaceae. Synonyms Pontederia natans P. Beauvois 1810 , Monochoria natans Thomson, Eichhornia diversifolia Troupin non Urban . Etymology Eichhornia see E. azurea natans swimming. Distribution West Africa, individually also in East Africa Tanzania, Madagascar . Description Sturdy aquatic plant. Submersed leaves alternate, spirally arranged or distichous, sessile, linear, acute, 3-8 cm long, 2-4 mm wide, light green on the apex of the shoot. Floating leaves 4-10 cm petiolate, with a...
Egeria densa
Synonyms Elodea densa Planch. Casp., Etymology Egeria after the nymph Egeria densa dense, refers to the foliage. Distribution Southeastern Brazil, Uruguay, Argentina, introduced in Chile, Mexico, North America, East Africa, Australia, New Zealand, Japan and Europe. Description Perennial floating or aquatic plant with 2-3-mm thick, hard, fragile, densely leaved stem. Internodes 0.3-1 cm. Leaves sessile. Prophylls scaleous, opposite, upper leaves usually in 4-merous whorls. When branched, 2 leaf...
Echinodorus schlueteri
Family Alismataceae. Synonyms None. Etymology Echinodorus see E. aschersoni-anus schlueteri dedicated name not explained when first used . Distribution Unknown. Description Small to medium-sized marsh plant, 5-25 cm tall. Leaves up to 20 -40 cm petiolate. Blade narrow ovoid to ovoid, up to 16 23 cm long, 10 16 cm wide, with acute or fine aciculate apex and more or less cordate rounded base. Margin flat or slightly undulate. Coloration is light to medium green, submersed also moderately brownish...
Cryptocoryne beckettii
Synonyms Cryptocoryne petchii Alston. Etymology Cryptocoryne see C. affinis beckettii after T.W.N. Beckett 1838-1906 . Distribution Central and southwestern Sri Lanka. Description Marsh plant, 10-25 cm tall. Petiole up to 15 cm long, often brown reddish in color. Blade narrow lanceolate to ovoid, 3-13 cm long, 1.5-4.0 cm wide, smooth or slightly undulate. Apex acute base from truncate to mildly cordate. Margin undulate or slightly crispate. Coloration upperside from olive green to dark green...
Echinodorus portoalegrensis
Family Alismataceae. Synonyms None. Etymology Echinodorus see E. aschersoni-anus portoalegrensis after Porto Alegre. Distribution Southern Brazil Rio Grande do Sul, Porto Alegre habitat description doubtful and Santa Catarina, Tangara. Description Medium-sized aquatic plant with a long, thin rhizome. Petiole up to 15 cm long, almost round, hard. Blade narrow elliptic to elliptic or narrow lanceolate to oblan-ceolate, 5-16 cm long, 2-7 cm wide, conspicuously stiff, leathery, medium to black...
Echinodorus parviflorus Tropica
Etymology Cultivar name 'Tropica' after the aquatic plant nursery of the same name in Hjortsh0j, Denmark. Distribution Unknown. Description Small to medium-sized marsh plant. Petiole up to 5 cm long. Blade narrow obovoid, up to 12 cm long, 5 cm wide, coarse, a little bullate, medium to dark green in color, without dark cross-venation. Apex obtuse rounded, with an up to 7-mm long tip. Leaf margin slightly undulate. Number of chromosomes 2n 22. Description otherwise as in E. parviflorus. Culture...
Echinodorus parviflorus
Commercial name Echinodorus peruensis, Etymology Echinodorus see E. aschersoni-anus parviflorus small-flowered. Distribution Not definitely known mass exports in the 1970s arrived supposedly from Peru and Bolivia. Description Medium-sized marsh plant. Leaves up to 15 cm petiolate. Blade narrow lanceolate in the short-day, lanceolate in the long-day, up to 27 cm long, 4-6.5 cm wide, medium green, frequently with dark cross-venation, juveniles also brownish. Apex and base acute. Leaf surface...
Echinodorus palaefolius
Family Alismataceae Synonyms Sagittaria palaefolia Nees and Martius 1823 , Alisma palaefolium Nees and Martius Kunth, A. ellipticum Martius, E. palaefolius var. latifolius Micheli Rataj, E. palaefolius var. minus Seubert Rataj, and others. Etymology Echinodorus see E. aschersoni-anus palaefolius with primeval, primitive l,eaves. Distribution Eastern Brazil. Description Sturdy marsh plant. Petiole up to 75 cm long, almost round, grooved, glabrous. Emersed blade ovoid, not cordate, up to 30 cm...
Adventitious Plants
The formation of adventitious plants on leaves, petioles, roots and inflorescences of the parent plant is well-known to aquarists. Propagules on the margins can often be seen in ferns such as Ceratopteris and Micro-sorum, whereas in pond lilies, such as Nym-phaea micrantha and Nymphaea X daube-nyana, they are found on the leaf base, ensuring easy vegetative propagation in these species. In Microsorum shoots will also form in large quantities on the roots hanging in the water. Detached leaves...
Echinodorus macrophyllus
Family Alismataceae. Synonyms For subsp. macrophyllus Alisma macrophyllum Kunth 1841 for subsp. scaber Rataj Haynes and Holm-Nielsen Echinodorus scaber Rataj, E. scaber var. proliferate Rataj. Etymology Echinodorus see E. aschersoni-anus , macrophyllus large-leaved. Distribution Southern Nicaragua, Venezuela to Argentina. Description Sturdy marsh plant. Petiole up to 1 m long, round, glabrous subsp. macrophyllus or mammillate with stellate hair subsp. scaber . Emersed blade 15-40 cm long, 8-25...
TASEK BERA Biotope No 12
Tasek Bera is a 60 km2 low-lying marsh area on the Malay Peninsula in the southwestern part of the State of Pahang. It is crisscrossed by many channel-like waterways and forms an important environment for aquatic and marsh plants. Furtado and Mori 1982 studied numerous ecological aspects of this biotope and summarized their 4 years of research in a comprehensive publication. Even though the author is not personally familiar with Tasek Bera, some essential research results should be summarized...
Biotope No 11
Aponogeton loriae is a very rare aquatic plant which is endemic in Papua New Guinea. The studied biotope is located on the road from Port Moresby in the direction of the Vaimauri Plateau, 61 km from the airport of the Papua New Guinea capital. There A. loriae grows in dense populations in a small river that is about 2-4 m wide. The clear water flows slowly at a speed of about 25 cm s. Whereas the water was knee-deep at the river's edge without a distinct shallow water zone , it reached a depth...
RIO YANAYACU PERU Biotope No 6
The Rio Yanayacu is a confluent to the Uya-cali. The biotope from which the water sample was taken in July 1990 consists of a quiet cove. A thick layer of floating plants, such as Ceratopteris pteridoides, Ceratophyllum de-mersum, C. submersum, Eichhornia crassi-pes, Limnobium laevigatum, Ludwigia hel-minth.orrh.iza, Phyllanthus fluitans, Pistia stratiotes, Ricciocarpus natans, Salvinia au-riculata and Utricularia foliosa, was found on the banks in slow-moving water. Due to the too small sample...
Biotope No 5
Studies were done on plant populations in a smaller river about 30 km past the city of Santo Tom in the direction of La Cruz Argentina . This waterway, as well as the adjacent flood area, featured thick populations of aquatic and marsh plants as well as an unusually large diversity of species within a small space. Eichhornia azurea and Hygrophila guianensis, among others, were found in the quick-flowing water in a depth of 1-2 m with Nymphoides sp. also present in water about 3 m deep. On the...
Biotope No 2
The Rio Sipao is a north-flowing confluent of the middle Orinoco in Venezuela. Studies were conducted in a large flooded area of this river, located a few kilometers away from the town of Maripa in the direction of Caicara. The waterway was fast-flowing, loamy, and clouded in its middle sections. In many places, however, little calm bays have formed in which dense populations of Eichhornia diversifolia, Bacopa sp. and Tonina fluviatilis could be found growing in knee-deep water. The populated...
Echinodorus berteroi
Family Alismataceae. Synonyms Alisma berteroi Sprengel 1825 , A. rostratum Nuttall, E. rostratus Nutt. Engelmann, E. patagonicus Spegazzini, and others. Etymology Echinodorus see E. aschersoni-anus berteroi after J. Bertero 1789-1831 . Distribution U.S. and Central America widespread isolated in Venezuela, Guyana, Ecuador, Peru. Description Strong marsh plant, up to 70 cm tall in the aquarium. Petiole up to 50 cm long rarely longer , triangular. Emersed leaf blade wide ovate with an obtuse...
Hygrophila difformis WhiteGreen
In contrast to the wild form, this plant depicts a more or less strongly pronounced white marking which refers mainly to the venation, but also to other parts of the leaf blade. So far, it has not been determined if this is a mutation or a virus infection, the latter, however, being very likely. Because the consistency of the white marking is not settled, it seems more appropriate to classify the plant not as a separate variety or form, but as a cultivar 'White-Green' Kasselmann 1981b, 1983a ....
Echinodorus aschersonianus
Synonyms E. aschersonianus var. nulliglan- Etymology Echinodorus Gr. echinos hedgehog, doros pipe, hose, hedgehog hose, refers to the spiny fruit aschersonianus after the German botanist P. Ascherson 1834-1913 . Distribution Southern Brazil to Argentina. Description Small to medium-sized marsh plant. Emersed plants petiole usually up to 10 cm long, half-round. Blade narrow ovoid, 6-14 cm long, 3.5-6 cm wide, medium green. Leaf apex round or aciculate base slightly cordate, with minuscule teeth....
Echinodorus amazonicus
Family Alismataceae. Synonyms Echinodorus brevipedicellatus auct. non O. Kuntze Buchenau. Etymology Echinodorus see E. aschersonia-nus amazonicus originating from the Amazon. Distribution Two habitats in the Brazilian Amazon region Rio Jamari Rondonia , Be-lem Para . Description Medium-sized sword plant, Submersed 30-50 cm tall. Petiole up to 10 cm long. Leaf blade narrow lanceolate, often slightly recurved sideways, up to 40 cm in length, 1.5-3 cm wide, medium green with dark horizontal...
Cyperus helferi
Etymology Cyperus from kypeiros Greek plant name helferi after the collector Johann Wilhelm Heifer 1810-1840 . Distribution India, Burma, Thailand, Cambodia, western Malaysia. Description Marsh plant, up to 60 cm tall. Creeping rhizome, up to 5 cm long, 7 mm thick, very branchy. Leaves basilar, bushy growth, 10-60 cm long, 2-9 mm wide, strap-shaped, cuspidate, gramineous, flaccid, flat, with a deep, angular furrow in the center of the blade, green, the margin featuring minute denticles,...
Cryptocoryne x willisii
Synonyms Cryptocoryne nevillii sensu auct., non Hook, f., C. lucens de Wit. Etymology Cryptocoryne see C. affinis willisii named after J.C. Willis. Distribution Central Sri Lanka. Description Marsh plant, emersed up to 25 cm, submersed 5-15 cm tall. Leaves 2-12 20 cm petiolate. Blade narrow ovoid to lanceolate, 1.5-12 cm long, 0.6-2.5 cm wide, flat, medium green in color. Apex usually acute base acute or slightly cordate. Margin entire. Indistinct venation. Spathe 4-8 cm long. Tube 2-5 cm long....
Cryptocoryne wendtii
Synonyms Cryptocoryne wendtii de Wit var. wendtii, var. jahnelli Rataj, var. krauteri Rataj, var. nana Rataj, var. rubella Rataj. Etymology Cryptocoryne see C. affinis wendtii after Albert Wendt 1887-1958 , author of the comprehensive work Die Aqua-rienpflanzen in Wort und Bild. Distribution Central, western to northwestern Sri Lanka. Description Marsh plant, 10-30 cm tall. Leaves 5-20 25 cm petiolate. Leaf blade elliptic to very narrow elliptic or narrow lanceolate to narrow ovoid, 5 15 23 cm...
Cryptocoryne walkeri x nevillii
Etymology Cryptocoryne see C. affinis walkeri after A.W. Walker nevillii after H. Nevill. Distribution No natural distribution artificial hybrid . Description Marsh plant, emersed 5-15 cm, submersed 2-7 cm tall. Leaves up to 12 cm petiolate, sometimes slightly fleshy and stiff. Leaf blade lanceolate, up to 5.5 cm long, 1.8 cm wide, flat. Apex acute base round. Light to medium green coloration. Spathe up to 17 cm long. Tube up to 10 cm long. Limb about 5 cm in length, erect, cuspidate, slightly...
Cryptocoryne usteriana
Etymology Cryptocoryne see C. ajfinis usteriana after A. Usteri 1869-1948 . Distribution Philippines Guimaras Island . Description Aquatic plant, up to 70 cm tall. Leaves up to 30 cm petiolate. Blade lanceolate to narrow elliptic, up to 40 cm long, 2-6 cm wide, bullate. Apex acute base round or acute. Undulate margin. Medium green coloration, often pale to deep purple-red on the underside. Strong midrib. Spathe 5-14 cm long. Tube 3.5-9 cm long. Limb 1.8-3.5 cm, cuspidate or short caudate,...
Cryptocoryne undulata
Synonyms Cryptocoryne willisii Baum, C. axelrodii Rataj. Etymology Cryptocoryne see C. affinis undulata undulate, refers to the structure of the leaf blade. Distribution Central Sri Lanka. Description Marsh plant, 10-25 cm tall. Leaves 7-15 cm petiolate. Blade lanceolate to narrow lanceolate, 4 11 15 cm long, 1-3 cm wide, slightly undulate. Apex acute base narrow, acute, truncate or slightly cordate. Margin entire or undulate. Upperside medium green to dark brown coloring, occasionally...
Echinodorus osiris
Commercial name E. osiris rubra, E. au- Etymology Echinodorus see E. aschersoni-anus osiris refers to the Brazilian aquatic plant nursery Lotus Osiris. Distribution Southern Brazil few habitats . Description It is distinguished from E. uru-guayensis by the following features E. osiris easily forms emersed leaves. Petiole 40-70 cm long. Blade elliptic or narrow ovoid, 15-25 cm long, 7-15 cm wide. Submersed blade 10-40 cm petiolate, very narrow elliptic, narrow lanceolate or oblanceolate, 10-30...
Linn Engler Krause 1906
Family Aponogetonaceae. Synonyms Saururus natans L. 1771 , Aponogeton monostachyon L. f., and others. Etymology Aponogeton see A. abyssinicus natans swimming. Distribution Sri Lanka, India. Description Plant usually existing in water, rarely entirely emersed. Tuber up to 2 cm in size. Juveniles submersed, up to 5 cm petio-late blade lanceolate, up to 6.5 x 1.5 cm, light green margin undulate. Adults floating blade up to 11.5 x 3 cm in size, with cordate base, light green margin flat. Peduncle...
Hydrilla verticillata
Synonyms Serpicula verticillata Linn fil. Etymology Hydrilla hydor water, illein -to turn, revolve verticillata whorled, refers to the whorled arrangement of the leaves. Distribution Widely spread in Asia, Australia, East Africa, Europe, North America, absent from South America. Description Polymorphic aquatic plant with 1-2-mm thick, soft, more than 2-cm long stem. Internodes usually 0.5-2 cm long. Leaves sessile, prophylls opposite, the upper leaves set in 3-6 12 -merous whorls. Blade linear...
Water in the Aquarium
THE INTERRELATIONSHIP OF CARBON COMPOUNDS, PH-VALUE AND CARBONATE HARDNESS Carbon constitutes a vital element for the nutrition of higher plants. In contrast to terrestrial plants which obtain their carbon requirements exclusively from the carbon dioxide content of air, aquatic plants supply themselves with this nutritional element essentially from the different inorganic carbon compounds in water C02 carbon dioxide, H2C03 carbonic acid, HC03 hydrogen carbonate, CO carbonation, Ca HC03 2...
Cryptocoryne scurrilis
Synonyms C. bullosa Engler var. scurrilis de Wit Rataj. Etymology Cryptocoryne see C. affinis scurrilis funny, teasing, refers to the limb's appearance. Distribution Sumatra. Description Petiole up to 11 cm. Blade lanceolate, often with a cordate base, up to 11 x 4 cm in size, flat or slightly bullate, upperside green or brownish, the underside is often purple-red. Spathe 5-11 cm, tube 2.5-6 cm, limb 2-2.5 cm long, aciculate, obliquely reflexed, interior very mammillate, torose margin, light to...
Cryptocoryne schulzei
Etymology Cryptocoryne see C. affinis schulzei after the plant's discoverer J. Schulze, Berlin. Distribution Malay Peninsula. Description Leaf blade lanceolate, 4-6 cm long, 1.5-4 cm wide, round or slightly cordate base, green or brownish, marmorate. Spathe 3.5-11.5 cm long. Tube 1-6 cm long. Limb 1.0-3.5 cm long, erect or recurved, cuspidate, not or hardly twisted, yellow or dark red with a yellow margin. Distinct collar. Wide throat, light or dark purple-red coloration. Number of chromosomes...
Echinodorus martii
Family Alismataceae. Synonyms E. martii Micheli 3 major Micheli, E. major Micheli Rataj, E. leopoldina. Etymology Echinodorus'. see E. aschersoni-anus martii after the German botanist K.F.R von Martius 1794-1868 . Distribution Eastern Brazil. Description Medium-sized sword plant, emersed up to 25 cm, submersed up to 60 cm tall. Emersed stem up to 5 cm, half-round. Blade oblanceolate, up to 20 x 5 cm in size, light green. Apex acute base usually truncate. Margin undulate 3-7 veins. Submersed...
Cryptocoryne affinis
Synonyms C. haerteliana Milk., C. affinis Hook. f. subsp. haerteliana Milk. Schopfel. Etymology Cryptocoryne Greek kryptos - hidden, koryne spadix, refers to the spa-dix hidden in the kettle affinis related to, cognate with. Distribution Malay Peninsula. Description Marsh plant, submersed up to 40 cm tall, emersed much smaller. Leaves up to 20 cm petiolate. Blades lanceolate to narrow lanceolate, up to 23 cm long, 2-5 cm wide, more or less bullate. Apex acute base acute or round. Coloration...
Cryptocoryne parva
Synonyms C. nevillii sensu auct., non Hook, f. Etymology Cryptocoryne see C. affinis parva small. Distribution Central Sri Lanka. Description Marsh plant, up to 10 cm tall. Leaves l-6 10 cm petiolate. Blade narrow elliptical to lanceolate, entire, emersed 1.5- 2.5 cm long, 0.4-0.8 cm wide, submersed up to 2 cm long, 0.2-0.3 cm wide, smooth, medium to dark green. Apex acute base cune-ate. Indistinct venation. Spathe 1.5-2.5 3.5 cm long. Tube 0.7-1.5 cm long. Limb 0.4-1.2 cm long, not caudate,...
Cryptocoryne nurii
Synonyms Cryptocoryne serrulata. Etymology Cryptocoryne see C. affinis nurii after the plant collector Nur. Distribution Malay Peninsula. Description Petiole 3-10 -20 cm long. Leaf blade lanceolate to narrow ovoid, 5-18 cm long, 1.5-3 cm wide, dark green to red-brown marmorate, often with short red lines. Apex acute base round or slightly cordate. Margin more or less crispate. Spathe about 5 cm long. Tube 1.5 cm, kettle 1 cm long. Limb about 2.5 cm long, wide cordate, recurved, short caudate,...
Echinodorus cordifolius 1
Family Alismataceae. Etymology 'Tropica Marble Queen' cultivar description, refers to the highly spotted leaves, especially on emersed plants. This pattern occurs through a differing quantitative distribution of chlorophyll within the leaf cells, resulting in a color pattern consisting of light and dark green and brown color tones. Description Sturdy marsh plant, up to 50 cm tall. Leaves long petiolate, emersed narrow ovoid with a cordate base, acute, 15-20 cm long and 6-9 cm wide. Submersed...
Cryptocoryne pontederiifolia
Family Araceae. Synonyms C. sulphured de Wit Etymology Cryptocoryne see C. affinis pontederiifolia refers to the similarity of the leaves of the genus Pontederia. Distribution Sumatra Padang Province . Description Marsh plant, 10-40 cm tall. Blade lanceolate to narrow ovoid, 9-14 cm long, 3-8 cm wide, smooth or slightly bull-ate, light to olive green, occasionally brownish or mild violet. Apex acute base usually cordate. Spathe 4-7 cm long. Tube up to 0.5 cm long. Limb 1.5-5 cm, cuspidate,...
Cryptocoryne minima
Synonyms Cryptocoryne zewaldiae de Wit. Etymology Cryptocoryne see C. affinis minima very small. Distribution Malay Peninsula. Description Petiole up to 12 cm long. Leaf blade very variable, lanceolate to ovoid, 5-7 cm long, 1.5-5 cm wide, smooth or slightly bullate, light green, brownish or purple-red. Apex acute base acute, round or slightly cordate. Spathe 3.5 cm, tube 0.5 cm, limb 2 cm long, cuspidate, recurved backwards and downwards, not twisted, interior mammillate, colored very...
Aponogeton distachyos
Synonyms Aponogeton distachum var. la- Etymology Aponogeton see A. abyssinicus distachyos 2-spiked, refers to the 2-spiked inflorescence. Distribution South Africa Cape Province , naturalized in many countries, also found in southwestern Europe. Description Amphibious plant. Tuber up to 6 cm diameter. Floating leaves up to 1 m long petiolate. Blade up to 23 cm long and 7.5 cm wide, medium green coloration. Peduncle up to 80 cm long, hardly swollen towards the inflorescence. Spathe up to 3 cm...
Cryptocoryne gasseri
Etymology Cryptocoryne see C. affinis gasseri after R.A. Gasser Florida . Distribution Native locations are unknown. Export shipments arrived together with C. scurrilis from Sumatra. Description Leaf blade narrow ovoid with a slightly caudate base, up to 4 cm in length and 2.5 cm wide, highly bullate, dark green. Spathe about 4 cm, tube about 1-2 cm, limb 2 cm long, aciculate, reflexed far downwards, interior rough or slightly mammillate, light yellow. Margin of limb with small warts. Collar...
Wildenow 1810
Synonyms Azolla cristata Kaulfuss, Sal-vinia azolla Raddi, Azolla densa Desvaux, A. portoricensis Sprengel. Etymology Azolla from azo Greek drought and ollyo to kill, points to the dying off of the fern during drought periods caroliniana originating from Carolina North America . Distribution North, Central and South America, naturalized in Europe, two discovery cases in Asia. Description Aquatic plant, floating on the water surface or rooted in bog 0.7-2.5 cm in size. Horizontal stem, hardly...