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The flowers are prickly and pink to purple in color. The flower heads are about 2 cm ( 3 ⁄ 4 in) wide, surrounded by a cluster of bracts . [ 5 ] [ 6 ] The outer bracts end in hooks causing a hook-and-loop effect after the flower head dries, when the bracts will attach to humans and animals to transport the seedhead.
Loosely branched clusters of matured red flowers found on the lobed-leafed Chinese rhubarb. Habit of Rheum palmatum. Its lobed leaves are large, jagged and hand-shaped, growing in width to two feet, but sometimes up to a full meter (3ft 3in) in width and length). The tiny pink flowers are in panicles up to five feet (1.5 meters) in height. [6]
The genus includes the vegetable [3] rhubarb. The species have large somewhat triangular shaped leaves with long, fleshy petioles. The flowers are small, greenish-white to rose-red, and grouped in large compound leafy inflorescences. Many rhubarb cultivars have been domesticated as medicinal plants and for human consumption.
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It is commonly known as Himalayan rhubarb, [2] [3] Indian rhubarb [2] and Red-veined pie plant. [2] It is a medicinal herb used in the Indian Unani system of medicine, and formerly in the European system of medicine where it was traded as Indian rhubarb. [4] The plant is found in the sub-alpine and alpine Himalayas at an altitude of 4000 m. [5]
Rhubarb isn’t the only vegetable with toxic leaves. In fact, the potatoes we see at the grocery store are edible, but every other part of the plant is toxic. So if your spuds start growing lots ...
Rhubarb is the fleshy, edible stalks of species and hybrids (culinary rhubarb) of Rheum in the family Polygonaceae, which are cooked and used for food. [2] The plant is a herbaceous perennial that grows from short, thick rhizomes .
Dense clusters of small, orange-red, flowers are held above the leaves on long slim peduncles. The clusters carry both male and female flowers and flowering continues for most of the year. [4] [5] [8] Fruit are green capsules at first, becoming blackish-brown at maturity when they burst and scatter the seeds up to 4 metres (13 feet) away. [5] [6]