Pilea martini - East-Asian Clearweed

East-Asian Clearweed is a perennial herb with stems simple or branched, 30-100 cm tall, fleshy, with galls on mid portion of internodes, hairless or finely velvet-hairy on upper part. Leaf-stalks are unequal in length, 1-8 cm, finely velvet-hairy or hairless; leaf blade below pale green, above green, obliquely ovate, narrowly ovate, or lanceshaped, unequal in size, 7-20 x 3.5-12 cm, membranous, 3-veined, lateral veins many, lower surface hairless or finely velvet-hairy when young, upper surface sparsely setulose, base rounded or nearly heart-shaped, rarely blunt, margin coarsely sawtoothed-toothed, tip long tapering, tail minutely toothed. Flower clusters are borne singly. Male cluster is a cyme-like panicle, 4-10 cm overall, flower-cluster-stalk 2-6 cm; female 1-4 cm, shortly stalked. Male flowers are reddish, stalkless or stalked, in bud about 1.2 mm; tepals 4, oblong-ovate, 2 lobes corniculate at tip; stamens 4. Female flowers are nearly stalkless, in bud about 0.6 mm; tepals fused at base, unequal, lower lobe boat-shaped, longer, staminodes 3, scale-like, oblong. East-Asian Clearweed is found in Nepal to East Himalaya and Central & S. China. Flowering: May-September.