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Alnus trabeculosa Hand.-Mazz.

Description

provided by eFloras
Trees to 10 m tall; bark gray or gray-brown, smooth. Branches dark gray-brown, glabrous; branchlets gray-brown, yellow pubescent. Buds stipitate, with 2 glabrous, ribbed scales. Leaves obovate-oblong, oblanceolate-oblong, or oblong, 6-16 × 2.5-7 cm, abaxially resinous glandular, glabrous except bearded in axils of lateral veins, adaxially glabrous, base subrounded, subcordate, or broadly cuneate, margin remotely minutely serrate, apex acute or acuminate to caudate; lateral veins 6-13 on each side of midvein. Female inflorescences 2-4 in a raceme, oblong, 1-2.5 × 1-1.5 cm; peduncle 1-2 cm, glabrous; bracts 5-7 mm, woody, base cuneate, apex rounded, 5-lobed. Nutlet broadly ovate, 3-4 × 2-2.5 mm, with papery wings ca. 1/4 as wide as nutlet. Fl. May-Jun, fr. Jul-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. 4: 304 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, Fujian, N Guangdong, Guizhou, S Henan, Hubei, E Hunan, Jiangsu, Jiangxi, Zhejiang [Japan].
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. 4: 304 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 on mountain valleys, riverbanks; 200-1000 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. 4: 304 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
Alnus jackii Hu.
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. 4: 304 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