Sticky Indigo
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Sticky Indigo
A Native Herb pinnate Photo: S. Kasim
Common name: Sticky Indigo
Botanical name: Indigofera colutea    Family: Fabaceae (Pea family)
Synonyms: Indigofera viscosa, Indigofera multifoliata, Indigofera glutinosa

Sticky Indigo is am erect or spreading herb, annual or short-lived perennial, velvet-hairy, hairs biramous and also multicellular, glandular. Leaves are imparipinnately compound, leaf-stalk about 1.2 cm long, axis up to 6 cm long. Leaflets 7-11, about 7-14 mm long, about 3-4 mm broad, elliptic-oblong, blunt, apiculate, appressly velvet-hairy on both sides. Flowers are borne in stalked racemes in leaf-axils, flower-cluster-stalk up to 7-12 mm long. Calyx is about 2.5 mm long, velvet-hairy, teeth about 1.25 mm long. Flower are pink, vexillum about 4 0-4.5 mm long. Fruit about 1.8-2.6 cm long, velvet-hairy, hairs appressed as well as gland-tipped. Sticky Indigo is found in Africa, India, SE Asia and Australia. Flowering: April-December.

Identification credit: S. Kasim Photographed in Ranipet, Tamil Nadu.

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