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

88. Polygonum platyphyllum S. X. Li & Y. L. Chang, Fl. Pl. Herb. Chin. Bor.-Orient. 2: 108. 1959.

宽叶神血宁 kuan ye shen xue ning

Aconogonon platyphyllum (S. X. Li & Y. L. Chang) Holub; Pleuropteropyrum platyphyllum (S. X. Li & Y. L. Chang) Kitagawa.

Herbs perennial. Stems erect, large, to ca. 100 cm tall, glabrous; branches spreading. Petiole short or nearly absent; leaf blade ovate or ovate-lanceolate, 6-10 × 2.5-5 cm, both surfaces pilose, base cuneate or broadly cuneate, margin entire or slightly undulate, densely ciliate; ocrea tubular, membranous, pilose, dehiscent. Inflorescence paniculate, spreading; rachis and branches glabrous; bracts ovate-triangular, apex acuminate, each 2- or 3-flowered. Pedicels erect, equaling bracts, ca. 2 mm, glabrous, apex articulate. Perianth white, 5-parted; tepals elliptic, ca. 2 mm. Stamens 8, included. Styles 3; stigmas capitate. Achenes distinctly exceeding persistent perianth, usually erect, brown, shiny, oblong, trigonous, 4-5 mm. Fl. Jun-Jul, fr. Aug-Sep.

* Mountain slopes; 200-500 m. Liaoning.


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