Overview

Distribution

S Gansu, Hebei, Henan, W Hubei, S Ningxia (Liupan Shan), Qinghai, S Shaanxi (Hua Shan, Taibai Shan), Shanxi, E Sichuan
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Physical Description

Morphology

Description

Trees to 30 m tall; bark orange-red or orange, shiny, exfoliating in papery flakes. Branchlets reddish brown, glabrous, sometimes resinous glandular. Petiole 0.5-1.5 cm; leaf blade ovate, ovate-elliptic, or ovate-oblong, 3-8 × 2-5 cm, abaxially densely resinous punctate, sparsely villous, adaxially glabrous, base rounded or subcordate, rarely broadly cuneate, margin irregularly and doubly mucronate serrate, apex acuminate; lateral veins 10-14 on each side of midvein. Female inflorescence 1, or 2 or 3 in a raceme, oblong-cylindric, 3-4 × 1-1.2 cm; peduncle slender, ca. 1 cm; bracts 4-7 mm, 3-lobed, middle lobe oblong or lanceolate, lateral lobes spreading, suborbicular, ca. 1/3 as long as middle lobe. Nutlet ovate, 2-3 mm, with membranous wings ca. as wide as nutlet. Fl. May-Jun, fr. Jul-Aug.
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Diagnostic Description

Synonym

Betula bhojpattra Lindley var. sinensis Franchet; B. utilis D. Don var. sinensis (Franchet) H. Winkler.
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Ecology

Habitat

* Temperate broad-leaved forests; 1000-3400 m.
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Wikipedia

Betula albosinensis

Betula albosinensis (Chinese red birch), syn. B. bhojpattra var. sinensis, B. utilis var. sinensis, is a species of birch in the family Betulaceae, native to Western China. It is a deciduous tree growing to 25 metres (82 ft). A particular feature is the peeling brown bark (cream when newly exposed). Brown catkins are produced in Spring.[1]

References[edit]

  1. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964. 
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Notes

Comments

The wood is hard, dense, and rather brittle, with the heartwood pinkish or light red-brown; it is used for many purposes.
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