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FOC | Family List | FOC Vol. 5 | Polygonaceae | Polygonum

89. Polygonum limosum Komarov, Izv. Imp. Bot. Sada Petra Velikago. 16: 165. 1916.

谷地神血宁 gu di shen xue ning

Polygonum divaricatum Linnaeus var. limosum Komarov, Fl. Mansh. 2: 140. 1903; Aconogonon limosum (Komarov) H. Hara; Pleuropteropyrum limosum (Komarov) Kitagawa.

Herbs perennial. Stems large, 90-150 cm tall, branched above, glabrous or pubescent on nodes. Petiole 2-4 cm; leaf blade greenish abaxially, green adaxially, ovate or lanceolate-ovate, 6-15 × 3-9 cm, papery, both surfaces glabrous or pilose, base rounded, margin ciliate, apex acuminate; ocrea tubular, membranous, dehiscent, pilose. Inflorescence paniculate, spreading, lax; bracts narrowly ovate, apex acute, each 2- or 3-flowered. Pedicels longer than bracts, slender, apex articulate. Perianth white, 5-parted; tepals elliptic, 1.5-2 mm. Stamens 8, included. Styles 3; stigmas capitate. Achenes distinctly exceeding persistent perianth, pendulous, gray-brown, slightly shiny, narrowly ovoid, trigonous, 3-4 mm. Fl. Jul-Aug, fr. Aug-Sep.

Mountain slopes, forest margins, thickets in valleys; 400-1800 m. Jilin [Korea, Russia (Far East)].


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