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Dioscorea nitens Prain & Burkill

Description

provided by eFloras
Tubers cylindric; transverse section white. Stem twining to left, sparsely pubescent or glabrous. Leaves alternate, simple; petiole 2--5.5 cm; leaf blade abaxially often drying pale gray, triangular-ovate to narrowly ovate, 6--13 × 3--10 cm, adaxially glabrous, abaxially sparsely pubescent, basal veins 7 or 9, base shallowly cordate with broad sinus, apex caudate-acuminate. Male thyrses solitary or 2--4 together, to 18 cm, pubescent. Male flowers: usually in cymules of 2--4; bracts ovate or lanceolate-ovate, apex acuminate; perianth sparsely brown dotted, abaxially sparsely pubescent, lobes lanceolate, ca. 1.5 mm; stamens 6, filaments longer than anthers, anthers dorsifixed, introrse. Female spikes 8--18 cm, sparsely pubescent. Female flowers: bracts ovate-lanceolate; perianth lobes narrowly ovate, ca. 1.5 mm, apex subacute; stigma 3-fid, reflexed. Capsule reflexed, oblong-obovoid or narrowly obovoid, ca. 2 cm, glabrescent, base cordate or rounded, apex emarginate; wings 0.5--0.8 cm wide, sometimes slightly undulate. Seeds inserted near base of capsule; wing pointing toward capsule apex. Fl. Jul--Sep, fr. Oct--Jan.
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. 24: 286 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
Yunnan.
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. 24: 286 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
* Forests; 1100--2600 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. 24: 286 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