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Crotalaria trifoliastrum
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Family:
FABACEAE/LEGUMINOSAE (Subfam.: Papilionoideae)
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Citation: Crotalaria trifoliastrum Willd., Sp. Pl. 3: 983. 1802; Hook. f., Fl. Brit. India 2: 82. 1876; Sanjappa, Legumes Ind. 131. 1992; Ansari, Crotalaria India 312. 2008.
Lupinus trifoliatus Rottl. ex Willd., Gesn. Naturf. Fr. Berl. Neuv. Schr. t. 5. 1803, non Cav. 1791.
Crotalaria medicaginea DC., Prodr. 2: 133. 1825, non Lam. 1786.
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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:
Erect, much branched, perennial herbs or undershrubs, up to 1 m tall; branches slender, finely downy. Leaves alternate, 3-foliolate; leaflets membranous, 1.2-2.5 cm long, obovate or obovate-oblong, acute or cuneate at base, obtuse and emarginate at apex, glabrous above, obscurely silky beneath; petioles 2.5-4.0 cm long, exceeding the leaflets, puberulous; stipules minute, setaceous; Racemes terminal and lateral, elongated, 10-15 cm long; peduncles silky hairy. Flowers 12-40; pedicels short; bracts minute, setaceous. Calyx 3.0-3.5 mm long, finely silky, lobes linear, twice the length of the tube, tube ca 2.5 mm long; upper lobes broader than the lower lobes. Corolla yellow; vexillum obovate, 10-13 x 8-9 mm, obtuse at apex, glabrous (rarely slightly puberulous without); wing petals linear-oblong, ca 11 x 4 mm, rounded at apex; keel petals ca 12 mm long, beak spirally twisted. Staminal sheath ca 1.5 mm long; free filaments 4-6 mm long; anthers linear or ovate. Ovary ca 4 mm long, silky at base; style up to 8 mm long, hairy in the upper half. Pods sessile, subquadrangular, 3-4 mm in diam, beaked, thinly silky; seeds 2, reniform, ca 2 mm long, black, minutely warted.
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Habit:
Shrub
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Flowering & Fruiting:
August-December
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District(s):
Pathanamthitta
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Medicinal:
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Habitat:
Along the roadsides in the plains
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Distribution:
India and Bhutan
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Aquatic:
No
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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):
Yellow
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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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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