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FOC | Family List | FOC Vol. 5 | Urticaceae | Pilea

33. Pilea glaberrima (Blume) Blume, Mus. Bot. 2: 54. 1856.

点乳冷水花 dian ru leng shui hua

Urtica glaberrima Blume, Bijdr. Fl. Ned. Ind. 493. 1826; Pilea goglado Blume; P. smilacifolia Weddell.

Herbs perennial, weak, or subshrubs, stoloniferous, glabrous, dioecious, rarely monoecious. Stems gray green, erect, ascending, or scandent, often branched, longitudinally several angled when dry, to 1.5 m tall, woody at base, densely covered with cystoliths. Stipules persistent, triangular, connate at base, ca. 2 mm, papery; petiole unequal in length, 1.5-5 cm; leaf blade adaxially pale green, ovate, elliptic, oblong- or elliptic-lanceolate, asymmetric, unequal in size, 6-15 × 2.5-7 cm, herbaceous, 3-veined, lateral veins many, transverse, reticulate, cystoliths adaxial, minute, often punctate or mixed with shortly fusiform ones, sometimes inconspicuous, base rounded, obtuse or cuneate, margin shallowly serrate or shallowly crenate sometimes subentire from middle part, apex acuminate. Inflorescences solitary, male a paniculate cyme, usually shorter than subtending petiole; female ones much shorter. Male flowers sessile, in bud ca. 1 mm; perianth lobes 4; stamens 4; rudimentary ovary small, subulate. Female flowers subsessile, in bud ca. 0.6 mm; perianth lobes connate at base, unequal, abaxial lobe cymbiform, longer, subapically corniculate; staminodes 3, inconspicuous, scale-like, oblong. Achene brownish red, ovoid, ca. 1 mm, compressed, inconspicuously verrucose. Fl. May-Sep, fr. Oct-Nov.

Warm wide-leaved forests, shaded wet places by streams, near streams; 500-1300 m. Guangdong, Guangxi, Guizhou, Yunnan [Bhutan, Indonesia, NE India, Myamar, Nepal, Sikkim].


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