Botanical name: Bupleurum gracillimum Family: Apiaceae (Carrot family)
Synonyms: Bupleurum falcatum var. gracillimum
Slender Thorowax is a slender perennial herb with main stem short, about 1 cm long. Many slender branches arise from the base, often prostrate, up to 35 cm long. Basal leaves are crowded, linear up to 6 cm long. Upper leaves are gradually shorter and fewer, linear, slightly stem-clasping, veins 5-7. Involucral bracts are 2-5, linear, unequal, veins 3. Flower umbels have 2-5 slender rays. Umbellets are subtended by 5-6 linear long-pointed bractlets, as long or longer than the flowering umbellet, with 3 veins. Flower-stalks are as long as the flowers. Each petal has a broad, brown resin canal. Stylopodium brown. Fruit 3 mm long. Slender Thorowax is found in the Himalayas, from Kashmir to Sikkim, at altitudes of 2500-4200 m. Flowering: July-September.
The flower labeled Slender Thorowax is ...