Description
provided by eFloras
Herbs annual. Roots large. Stems erect, 30-80 cm tall, grooved, glabrous; branches spreading. Lower leaves: petiole 3-5 cm; leaf blade oblong or lanceolate-oblong, 8-20 × 2-5 cm, both surfaces glabrous, base cuneate, margin undulate, apex acute; cauline leaves shortly petiolate, narrowly lanceolate, smaller than basal ones; ocrea fugacious, membranous. Inflorescence terminal or axillary, racemose, several racemes aggregated and large panicle-like. Flowers bisexual. Pedicel slender, articulate near base. Outer tepals lanceolate, small; inner tepals enlarged in fruit; valves narrowly trigonous-ovate, 3-4 × 1.5-2 mm, all valves with tubercles, base truncate, margin with 1 pair of narrow teeth, apex narrowly acute; teeth 3-4 mm, straight. Achenes yellow-brown, shiny, ellipsoid, sharply trigonous, 1.5-2 mm, base narrow, apex acute. Fl. May-Jun, fr. Jun-Jul.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, India, Laos, Myanmar, Thailand, Vietnam].
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Field margins, moist valleys, water sides; sea level to 1300 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
?Rumex chinensis Campdera.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA