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

19. Polygonum huananense A. J. Li, Bull. Bot. Res., Harbin. 15: 413. 1995.

华南蓼 hua nan liao

Herbs perennial. Stems erect, 100-150 cm tall, robust, simple, sometimes branched above, densely villous. Petiole 5-10 mm, villous; leaf blade broadly lanceolate, 10-20 × 2-4.5 cm, both surfaces sparsely sericeous, base cuneate, margin shortly ciliate, apex long acuminate; ocrea tubular, 1.5-3 cm, membranous, apex truncate, cilia 4-5 mm. Inflorescence terminal, of panicled spikes, erect; bracts broadly ovate, villous, margin long ciliate, each 2- or 3-flowered. Pedicels longer than bracts, stout, articulate at apex. Perianth white, 5-parted; tepals elliptic, ca. 3 mm. Stamens exserted. Styles 3, connate below middle; stigmas capitate. Achenes included in persistent perianth, black-brown, slightly shiny, ellipsoid, trigonous, ca. 3 mm. Fl. Jul-Aug, fr. Sep-Oct.

* Lake edges, streamsides; ca. 100 m. Guangdong.


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