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Polypleurum wallichii
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Family:
PODOSTEMACEAE
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Citation: Polypleurum wallichii (R.Br. ex Griff.) Warm., Danske. Vidensk. Selsk. Skrift. ser. 6, Nat. Math. 11: 15. 1901; Raveendran & Philip Mathew, Rheedea 2: 106. 1994.
Podostemum wallichii R.Br. ex Griff., Asiat. Res. 19:103. t.17.1836; Hook. f., Fl. Brit. India 5:67.1886.
Dicraeia wallichii (R.Br. ex Griff.) Tul., Ann. Sci. Nat. Bot. ser. 3, 11: 101. 1849.
Dicraeia minor Wedd. in DC., Prodr. 17: 71. 1873.
Podostemum minor (Wedd.) Benth. in Benth. & Hook.f., Gen. Pl. 3: 112. 1880; Hook. f., Fl. Brit. India 5: 67. 1886.
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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:
Aquatic herbs on submerged rocks in swift-flowing streams. Plant body thalloid, fleshy, more or less creeping, adpressed to the rock or attached at certain points only with the help of haptera. Thallus green or mauve coloured, irregularly branched, 3-6 cm long and 0.5-0.7 cm wide; secondary shoots marginal with one or two pairs of subulate leaves. Flowers zygomorphic, pedicellate; bracts usually 2 pairs, fleshy, imbricate, keeled and raised above the thallus. Spathe 3-4 mm long, irregularly splitting at apex; pedicel 6 mm long. Stamens 2, monadelphous; anthers bilobed; pollen in diads; staminodes linear, 1 mm long, on either sides of the stamen. Ovary ellipsoid; stigma 2, unequal and bent downwards in bud; ovules less than and hundred on axile placentation. Capsule 6-8 ribbed; isolobous, both halves persistent after dehiscent; fruiting pedicel up to 1 cm long; seeds obovoid and smooth.
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Habit:
Herb
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Flowering & Fruiting:
November-March
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District(s):
Palakkad, Kozhikkode, Kannur
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Medicinal:
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Habitat:
On rocks along streams
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Distribution:
India and Myanmar
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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):
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Weed:
No
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Monocot/Dicot:
Dicotyledonous 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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