Vasilis Teodoridis:
Urticaceae | Urtica
7. Urtica laetevirens Maximowicz; Bull. Acad. Imp. Sci. Saint-Pétersbourg. 22: 236. 1877.
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Herbs perennial; monoecious; rarely dioecious. Rhizomes woody. Stems simple or few branched; 30-100 cm tall; subglabrous or sparsely hirtellous and with sparsely stinging hairs; particularly on nodes. Stipules free (sometimes partly connate with 2-lobed apex on upper parts of plant); lanceolate or oblong; 3-8 mm; puberulent; petiole slender; 1.5-7 cm; with sparse stinging and hirtellous hairs; leaf blade ovate; cordate or lanceolate; often gradually narrow distally; 4-10 x 2-6 cm; often membranous; 3-veined; lateral basal veins arcuate; reaching distal margin and anastomosing; secondary veins 2 or 3 on each side; both surfaces with sparse stinging and hirtellous hairs; base broadly cuneate; rounded; or cordate; margin dentate or serrate; apex short acuminate to caudate-acuminate; cystoliths often botuliform; sometimes punctiform. Inflorescences unisexual; male inflorescences in distal axils; spicate; to 8 cm; female ones in proximal axils; subspicate; slender; sometimes glomerules interruped along axis. Male flowers sessile or short pedicellate; in bud ca. 1 mm; perianth lobes connate 1/2 of length; puberulent. Female flowers: perianth lobes connate at base; dorsal-ventral lobes elliptic-ovate; ca. 1 mm; sparsely or densely setulose; lateral lobes narrowly ovate; 3-5 times as short as dorsal ones Achene gray-brown; ovoid or narrowly ovoid; slightly compressed; ca. 1 mm; inconspicuously verrucose or smooth; invested by persistent perianth lobes. Fl. Jun-Aug; fr. Aug-Oct.
Moist places in forests; thickets; along streams; river banks; 100-3500 m. Anhui; Gansu; Hebei; Heilongjiang; Henan; Hubei; Hunan; E Jilin; Liaoning; Nei Mongol; SE Qinghai; Shaanxi; Shandong; Shanxi; Sichuan; SE Xizang; Yunnan [Japan; Korea; Russia (Far East)].