dcsimg

Description

provided by eFloras
Herb annual. Stems twining, 1-2 m, striate, papillate; branches few. Petiole 2-4 cm, slender, papillate; leaf blade 3-6 × 2.5-4 cm, both surfaces glabrous, along veins minutely papillate, base cordate, margin entire, apex acuminate; ocrea brownish, 3-4 mm, membranous, oblique, not ciliate. Inflorescence axillary or terminal, racemose, leafy, lax, interrupted, 4-12 cm, usually longer than leaves; bracts funnel-shaped, 2-3 mm, membranous, oblique, apex acute, not ciliate, each 4- or 5-flowered. Pedicel short, elongated in fruit, articulate below middle. Perianth white or greenish, 5-parted; tepals unequal in size, accrescent in fruit, outer 3 much longer, winged on abaxial surface; wings dentate, decurrent near base of pedicels. Perianth (including wings) in fruit obovate, 5-6 mm in diam. Stamens 8, included. Styles very short; stigmas capitate. Achenes included in persistent perianth, black, slightly shiny, ellipsoid, trigonous, 4-4.5 mm, minutely granular striate. Fl. Jun-Sep, fr. Jul-Oct.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 5: 316 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Distribution

provided by eFloras
Anhui, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan [Japan, Korea, Russia (Far East)].
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 5: 316 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Habitat

provided by eFloras
Mixed forests in valleys, slopes; 200-2800 m.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 5: 316 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Polygonum dentatoalatum F. Schmidt in Maximowicz, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 9: 232. 1859; Bilderdykia dentatoalata (F. Schmidt) Kitagawa; B. scandens (Linnaeus) Greene var. dentatoalata (F. Schmidt) Nakai; Fagopyrum scandens (Linnaeus) H. Gross var. dentatoalatum (F. Schmidt) H. Gross; P. scandens Linnaeus var. dentatoalatum (F. Schmidt) Maximowicz ex Franchet & Savatier; Tiniaria scandens (Linnaeus) Nakai var. dentatoalata (F. Schmidt) Nakai ex T. Mori.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 5: 316 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras