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Lablab purpureus
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Family:
FABACEAE/LEGUMINOSAE (Subfam.: Papilionoideae)
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Citation: Lablab purpureus (L.) Sweet, Hort. Brit. (ed. 1) 481. 1827; Manilal & Sivar., Fl. Calicut 92. 1982; Vajr., Fl. Palghat Dist. 165. 1990; Ramach. & V.J. Nair, Fl. Cannanore Dist. 148. 1988; Sanjappa, Legumes Ind. 199. 1992; M. Mohanan & Henry, Fl. Thiruvanthapuram 155. 1994; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 316. 2009.
Dolichos purpureus L., Sp. Pl. (ed. 2) 1021. 1763.
Dolichos lablab L., Sp. Pl. 725. 1753; Hook. f., Fl. Brit. India 2: 209. 1876.
Lablab vulgaris Savi, Nuovo Giorn. Lett. 8: 116. t. 8. a-c.1824.
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Malayalam Name(s):
Amarapayar, Avara, Kattavara, Kattuavarai, Mochakotta, Mochapayar
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Tamil name(s):
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English name(s):
Hyacinth bean, Lablab bean, Bonavist bean, Indian butter bean
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Description:
Vine; branches glandular-pubescent. Leaves alternate, 3-foliolate, to 15 x 20 cm, subcoriaceous; petiole to 15 cm; stipules lanceolate, 6 mm; terminal leaflet ovate-deltoid, to 10 cm wide; laterals ovate, inaequilateral, to 11 x 8 cm, base obtuse, apex acuminate, apiculate; stipels subulate. Racemes to 20 cm; peduncle 1 2 cm; bracts ovate; bracteoles oblong. Flowers 2.5 cm wide. Calyx-tube campanulate; upper 2 lobes connate; lower 3 free. Corolla purplish, clawed. Standard orbicular, 1.5 x 2.5 cm, auricled with 2 callose appendages on inside base; wings obovate, 1.5 x 0.8 cm; keels oblong, 2.2 x 0.5 cm. Stamens 9+1; sheath 1 cm; filaments unequal. Ovary stipitate, pubescent; style incurved; stigma capitate. Pod oblong-falcate, 5 x 2 cm, tipped by style; seed ovoid, compressed; aril linear.
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Habit:
Climber
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Flowering & Fruiting:
October-December
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District(s):
All Districts
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Medicinal:
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Habitat:
Cultivated
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Distribution:
Widely cultivated in the tropics
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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):
Violet, Blue
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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:
Yes
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
Aruvikad, Tolpetty, Lock-hert gap, Kaikatty forests-Pothundy
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