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Aponogeton crispus
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Family:
APONOGETONACEAE
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Citation: Aponogeton crispus Thunb., Nov. Gen. 4: 73. 1781; Hook. f., Fl. Brit. India 6: 564. 1898; Gamble, Fl. Pres. Madras 1598(1115). 1931; Joseph, Aquatic Angiosp. Malabar 272. 1991.
Aponogeton echinatum Roxb., Fl. Ind. 2: 210. 1832; Hook. f., Fl. Brit. India 6: 565. 1894.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Tuber obovoid, up to 5 cm. Submerged leaves very variable in shape and dimensions, linear, narrowly lanceolate or narrowly ovate, upto 50 x 4.5 cm; base (narrowly)cuneate, rounded or subcordate, apex rounded or cuneate; margin flat, undulate or crisped; parallel main nerves 5, 7 or 9. Floating leaves very variable in size, up to 20 x 5 cm, lanceolate or (narrowly) ovate; base rounded or (seldom) cordate, apex rounded, or cuneate with a blunt tip; parallel main nerves (7-)9-11. Peduncle up to 75 cm, widening towards the inflorescence. Spathe up to 2.5 cm, caducous. Inflorescence with 1 spike of up to 13 cm, fragrant, densely or rather laxly flowered. Infructescence very dense. Flowers turned towards all directions. Tepals 2, up to 2.25 x 1.75 mm, white, pink, or pale violet, 1-nerved. Stamens 6, up to 2.5 mm, widened towards the base; anthers violet, pollen yellow. Ovaries 3, up to 2 x 1 mm, often with some small excrescences; ovules 2. Fruits up to 12(-18) x 5 (-7)mm, about twice as long as thick, terminally beaked, with some irregular, hard excrescences or smooth. Seed with a simple testa. Embryo upto 12 x 5 mm; plumule attached at the base of the embryo, mostly consisting of several leaflets and fitted in a wide or narrow groove.
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Habit:
Herb
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Flowering & Fruiting:
September-March
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District(s):
Wayanad
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Medicinal:
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Habitat:
Sstagnant ponds and tanks
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Distribution:
South India and Sri Lanka
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Aquatic:
Yes
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
White
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Weed:
No
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Monocot/Dicot:
Monocotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
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