Botanical name: Rheum webbianum Family: Polygonaceae (Knotweed family)
Synonyms: Rheum emodi Wall.
Indian Rhubarb is a tall, stout perennial herb, growing from 1 ft to 7 ft tall. The species name is in the honour of Philip Barker Webb, 19th century botanist. Long stalked leaves are circular–heart-shaped or kidney- shaped, 10-60 cm long, tip rounded or pointed. Flowers are borne in dense- flowered panicles, in leaf axils and at the end of branches. Flowers are small, 2 mm across, pale yellowish. Fruit oblong or orbicular, notched at both ends. Indian Rhubarb is very common in the Himalayas, from Pakistan to W. Nepal, at altitudes of 2400-4300 m. Flowering: June-July.
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The flower labeled Indian Rhubarb is ...