Pilea multicellularis C. J. Chen

Other syntype material of Pilea producta belongs to the previous species, P. umbrosa.

Herbs perennial, stoloniferous, dioecious. Stems erect, ca. 40 cm tall, succulent distally; stems, petioles, and both surfaces of leaf blade densely covered with multicellular hairs. Stipules deciduous; petiole strongly unequal in length; the longer one 1-1.5 cm; the shorter one subsessile; leaf blade brownish when dry, the major one oblong-ovate, strongly unequal in shape and size; 6-8 × 3.5-4.5 cm, herbaceous, 3-veined, lateral veins many, regularly transverse, cystoliths minute, shortly fusiform, inconspicuous, base cordate, margin serrate, apex acuminate; the minor one broadly ovate to cordate, 2-4 × 1-2.8 cm, base deeply cordate, almost around stem, apex shortly acuminate or acute. Male inflorescence subspicate, few branched, 5-7 cm, flowers densely arranged along 1 side of axis; female inflorescence a cymose panicle, much branched, to 10 cm. Male flowers minute, ca. 1 mm; perianth lobes 4, apex acute; stamens 4; rudimentary ovary minute. Female abaxial perianth lobe hooded, 1/2 as long as achene, lateral 2 lobes triangular-ovate, ca. 1/3 as long as abaxial lobe, membranous. Achene ovoid, ca. 1 mm, slightly compressed, slightly oblique, smooth, sometimes inconspicuously verrucose, enclosed by persistent perianth. Fl. Jul-Aug, fr. Sep-Oct.

NW Yunnan.

* Shaded moist places in forests, near streams; ca. 2900 m.

Pilea producta Blume, p.p.

Pilea multicellularis là loài thực vật có hoa trong họ Tầm ma. Loài này được C.J. Chen miêu tả khoa học đầu tiên năm 1982.

串珠毛冷水花（学名：Pilea multicellularis）为荨麻科冷水花属的植物，为中国的特有植物。分布在中国大陆的云南等地，生长于海拔2,800米的地区，常生于山谷林下，目前尚未由人工引种栽培。