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

40. Polygonum suffultoides A. J. Li, Bull. Bot. Res., Harbin. 15: 415. 1995.

珠芽支柱拳参 zhu ya zhi zhu quan shen

Herbs perennial. Rhizomes black-brown, large, ca. 1 cm in diam. Stems 1-3 from rhizome, erect, 30-60 cm tall, simple. Basal leaves: petiole 4-12 cm; leaf blade greenish abaxially, green adaxially, ovate or narrowly ovate, 3-8 × 2-5 cm, both surfaces pubescent, base cordate, margin entire, apex acuminate or acute. Cauline leaves: petiole short; leaf blade narrowly ovate, base cordate, apex acuminate; upper leaves smaller, sessile, clasping, sometimes with axillary bulbils; ocrea brown, tubular, 1.5-2.5 cm, membranous, apex oblique, not ciliate, dehiscent. Inflorescence terminal, spicate, lax, 2-5 cm, slender, lower part with bulbils; bracts brown, narrowly ovate, 2.5-3 mm, apex long acuminate, each 1- or 2-flowered. Pedicels shorter than bracts, 2-2.5 mm. Perianth white or pinkish, 5-parted; tepals oblong, ca. 2 mm. Stamens 8, equaling perianth. Ovary ovoid, trigonous; styles 3, connate at base; stigma capitate. Fl. and fr. Jul-Oct.

* Forests on mountain slopes, alpine meadows; 3200-4500 m. NW Yunnan.


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