Botanical name: Indigofera wightii Family: Fabaceae (Pea family)
Synonyms: Indigofera pallida, Indigofera inamoena
Wight's Indigo is an erect silvery white shrub, up to 1 m tall; densely covered with prostrate hairs. Leaves are compound, 3-5 cm long; leaflets 6-8 pairs, 6 x 2 mm, inverted-lanceshaped, blunt, apiculate at tip, ashy white, densely, hairy below; petiolule 1 mm long; stipule 1 mm long, ovate, hairy. Flowers are borne in racemes 2-4 cm long, slender, in leaf-axils, 30-40 flowered. Flowers are red, 6 mm long; calyx 1.5 mm long, lobes ovate, tapering; standard 4 x 2.5 mm, obovate, blunt, cuspidate, hairy outside; wings 4 x 1.5 mm, oblong; keel 5 x 2.5 mm, obovate, blunt, hispid outside. Pods are up to 2.5 x 0.3 cm, oblong, round, stalkless, densely covered with adpressed hairs; seeds 1 x 1 mm, cubical, hairless, dark brown. Wight's Indigo is found in Peninsular India and Sri Lanka. Flowering: August-July.
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The flower labeled Wight's Indigo is ...