Botanical name: Dichroa febrifuga Family: Hydrangeaceae (Hydrangea family)
Synonyms: Cianitis sylvatica, Dichroa febrifuga var. febrifuga
Blue Himalayan Hydrangea is shrub 1-2 m tall. Blue flowers are borne in corymb-like panicles, 3-20 cm across. Flower buds are obovoid, 6-10 mm; flower-stalk 3-5 mm. Sepals 4-6, broadly triangular, tip pointed. Petals are turned back at maturity, blue or white, oblong-elliptic, slightly fleshy. Stamens 10-20; filaments fused when young, free at maturity, thread-like; anthers ellipsoid. Styles are 4-6, club-shaped; stigma oblong. Branchlets, leaf-stalks, and veins are hairless or crisped velvet-hairy. Leaf-stalks are 1.5-5 cm; leaf blade sometimes purplish below, elliptic, obovate, elliptic-oblong, or lanceshaped, 6-25 x 2-10 cm, papery, below hairless or crisped velvet-hairy along veins, rarely sparsely hairy, above hairless, secondary veins 8-10 on both sides of midvein, base wedge-shaped, margin sawtoothed to coarsely so, rarely wavy, tip pointed to tapering. Berry is dark blue when mature, 3-7 mm in diameter. Seeds are about l mm. Blue Himalayan Hydrangea is found in Eastern Himalayas, from C Nepal to China, SE Asia, at altutudes of 900-2400 m. Flowering: May-July.
Medicinal uses: It is an important herb in traditional Chinese medicine, where it is considered one of the 50 fundamental herbs. The active ingredients are febrifugine and isofebrifugine. In traditional preparations it is used in conjunction with other plants such as Glycyrrhiza glabra, Ziziphus jujube and ginger.
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The flower labeled Blue Himalayan Hydrangea is ...