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Long-Stem Thorowax
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Long-Stem Thorowax
ative Photo: Sunit Singh
Common name: Long-Stem Thorowax
Botanical name: Bupleurum longicaule    Family: Apiaceae (Carrot family)
Synonyms: Bupleurum longicaule var. ramosum, Bupleurum himalayense

Long-Stem Thorowax is a perennial herb with several slender stems 15-40 cm long. Leaves are narrow lanceshaped, long-pointed, 8-10 cm long. Upper leaves are stem-clasping. Flowers are purple, borne in compound umbels at branch ends, carried on flower-cluster-stalks 5-15 cm long. Rays are 3-5, unequal, bracts 2-3 per involucre, ovate-lanceshaped, 1-5 mm long, unequal. Umbellets are 8-15-flowered, with flower-stalks 1-2 mm long. Bracteols are 5 per involucel, oblong-oval to circular, 1.5-2 mm long, blunt with fine point at the tip. Umbellets clearly distinguish it from Rock-Dwelling Thorowax which has 15-50 flowered umbellets with 6-10 bracteols per involucel. Long-Stem Thorowax is found in the Himalayas, from Pakistan to Bhutan, at altitudes of 3000-4400 m. Flowering: June-September.

Identification credit: Sunit Singh Photographed in Madhmaheswar valley, Uttarakhand.

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