Botanical name: Indigofera cassioides Family: Fabaceae (Pea family)
Synonyms: Indigofera pulchella, Indigofera leptostachya
Cassia Indigo is an erect shrub, 1-1.5 m tall. Leaves are compound 7-15 cm long, with 11-21 leaflets, 1.1-2.4 cm long, 7-15 mm broad, oblong to elliptical, blunt, truncate to slightly retuse, apiculate, velvety on both sides. Stipules are 2-4 mm long, deciduous. Inflorescence is a 5-17 cm long raceme, covered with sterile scales at the base. Bract are 2-10 mm long. The stalk carrying the raceme is 1-2 mm long. Sepal cup is 2-3 mm long, teeth nearly equal, 1-2 mm long. Flowers are bright pink, fading to violet, shaped like pea flowers. Vexillum is 1.2-1.8 cm long. Fruit is 2.4-4.3 cm long, 4 mm broad, straight, hairless, 8-12-seeded. Cassia Indigo is native to the Indian Subcontinent to China and Indo-China. It is also found in the Himalayas, at altitudes up to 2000 m. Flowering: March-May.
Medicinal uses: A decoction of the roots is used in the treatment of coughs. The root is dried, ground into a powder and applied externally in the treatment of pains in the chest.
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