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Image of Atraphaxis pungens (M. Bieb.) Jaub. & Spach
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Atraphaxis pungens (M. Bieb.) Jaub. & Spach

Description

provided by eFloras
Shrubs ca. 1.5 m tall. Stem straight, stout, with gray-brown bark; epidermis splitting fibrously; woody branches flexuous, apex without leaves and acuminate into spines; herbaceous branchlets of current year short, stout, soon becoming lignified, white, glabrous, apex acuminate, with leaves or flowers. Leaves blue-green or gray-green, broadly elliptic or obovate, 10-20 × 5-10 cm, both surfaces glabrous, reticulate veins prominent abaxially, base rounded or broadly cuneate, narrowing into a short petiole, margin entire or slightly undulate with teeth, apex rounded, with a short point or emarginate; ocrea brown at base, cylindric, membranous, faintly veined, cleft into 2 teeth at upper part. Pedicel long, jointed at or above middle. Flowers in short racemes (ca. 1.5 cm) on lateral herbaceous branchlets of current year. Tepals 5, pink or green-white; outer tepals 2, reflexed in fruit, ovate or broadly elliptic, ca. 3 mm; inner tepals 3, orbicular-cordate in fruit, 5-6 × 6-7 mm, with prominent reticulate veins, margin undulate. Achenes dark brown, shiny, ovoid, ca. 2.5 mm, trigonous, smooth. Fl. and fr. May-Aug.
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: 330 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
Gansu, Nei Mongol, Qinghai, Xinjiang [?India, Kazakhstan, Mongolia, Russia].
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: 330 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
Stony slopes, gravelly deserts; 500-3400 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: 330 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
Tragopyrum pungens Marschall von Bieberstein, Fl. Taur.-Caucas. 3: 285. 1819–1820.
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: 330 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