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Crotalaria willdenowiana
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Family:
FABACEAE/LEGUMINOSAE (Subfam.: Papilionoideae)
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Citation: Crotalaria willdenowiana DC., Prodr. 2: 134. 1825; Hook. f., Fl. Brit. India 2: 81. 1876; Gamble, Fl. Pres. Madras 300(212). 1918; N.C. Nair et al., Journ. Econ. Tax. Bot. 2: 224. 1981; Sanjappa, Legumes Ind. 132. 1992; Ansari, Crotalaria India 316. 2008; Sunil & Sivadasan, Fl. Alappuzha Dist. 212. 2009.
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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 perennial herbs or undershrubs, 20-75 cm high; rootstock woody, branched, tinged deep yellow; stems copiously branched, spreading, terete, sericeous. Leaves 3-foliolate, up to 2.5 cm long; leaflets 1-2 x 0.3-0.6, chartaceous, oblanceolate or oblong-lanceolate, cuneate at base, emarginate and apiculate at apex, sericeous on both surfaces; petioles 4-6 mm long, petiolule 0.5-1.0 mm long; stipules ovate- lanceolate, ca 4 mm long. Racemes terminal and axillary, up to 3 cm long; peduncles ca 2 cm long, hairy; bracts linear, ca 2 mm long; bracteoles ca 1.5 mm long, subapical on pedicel; pedicels 2.0-2.5 mm long, hairy. Flowers 2-10, 8-10 mm long. Calyx 2-3 mm long, dense-pubescent, 5-lobed, tube ca 1.5 mm long, lobes divided to half their length, upper 2 lanceolate, lower 3 linear. Corolla yellow, twice as long as calyx; vexillum orbicular, 9-10 x 7-8 mm, obtuse and apiculate at apex, hairy on the back; wing petals oblong, 6-8 x 2-3 mm, obtuse; keel petals 6-8 x 2-4 mm, beak spirally twisted. Staminal sheath ca 2 mm long; free filaments 3-6 mm long; longer anthers oblong, ca 1.5 mm long; shorter anthers ovoid, ca 0.7 mm long. Ovary sessile, ca 3 mm long, 2-ovuled, pubescent; style ca 3 mm long. Pods sessile, obliquely subglobose, 4-5 mm long, strongly beaked, pubescent, twice as long as calyx; seeds 2, reniform, 1-2 x 2-3 mm, grey, shiny.
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Habit:
Shrub
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Flowering & Fruiting:
November-March
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District(s):
Pathanamthitta
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Medicinal:
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Habitat:
In moist localities
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Distribution:
Peninsular India
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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:
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:
Peninsular India
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IUCN status:
Endangered (EN)
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Altitude:
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Localities:
Thottappally
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