Pilea bracteosa Wedd.

Herbs perennial, stoloniferous, subglabrous, dioecious. Stems blue when dry, 15-30 cm tall, succulent on upper part, with galls on mid portion of internodes. Stipules persistent, light green, oblong, 5-8 mm, membranous, veinless; petioles unequal in length, 1-7 cm, sparsely puberulent; leaf blade abaxially paler green, broadly ovate or oblong, sometimes oblique, unequal in size, 3-9 × 2-4 cm, membranous, 3-veined, lateral veins many, subtransverse, cystoliths prominent adaxially, base rounded or subcordate, sometimes auriculate at base, margin crenate-serrate, apex acuminate or caudate-acuminate. Inflorescences solitary, in upper stems, a cymose panicle, 4-10(-18) cm; bracts triangular, over 2 mm. Male flowers pedicellate or sessile, in bud rhombic-ovoid, ca. 1 mm; perianth lobes 4, connate 1/2 of length, 2 lobes subapically corniculate; stamens 4; rudimentary ovary small. Female flowers subsessile, in bud ca. 0.5 mm; perianth lobes connate at base, unequal, abaxial one cymbiform, longer, subapically corniculate; staminodes 3, small, scale-like, oblong. Achene broadly ovoid, ca. 0.8 mm, compressed, oblique, with an raised brownish ring. Fl. Jul-Aug, fr. Aug-Oct.

S Xizang, NW Yunnan [Bhutan, N India, Nepal, Sikkim].

Moist places in broad-leaved forests; 1800-2800 m.

Pilea bracteosa var. striolata Handel-Mazzetti; P. obliqua J. D. Hooker.

Pilea bracteosa là loài thực vật có hoa trong họ Tầm ma. Loài này được Wedd. miêu tả khoa học đầu tiên năm 1856.

多苞冷水花（学名：Pilea bracteosa）为荨麻科冷水花属的植物。分布在缅甸、不丹、尼泊尔、印度、锡金以及中国大陆的云南、西藏等地，生长于海拔1,800米至2,800米的地区，多生在河谷溪边林下，目前尚未由人工引种栽培。