Description
provided by eFloras
Trees 7-15(-25) m tall. Branches glabrous; branchlets dark brown to brownish black when dry. Petiole 1-1.5 cm; leaf blade elliptic, ovate, or lanceolate, (5.5-)7-12.5(-14.5) × (1.5-)2.5-5(-6) cm, thickly papery, abaxially covered with a very tight layer of scalelike trichomes and reddish brown to yellowish brown when young but grayish brown with age, base rounded to sometimes acute, margin serrate to rarely subentire, apex acuminate to abruptly narrowly caudate; midvein adaxially slightly impressed to rarely nearly flat; secondary veins 9-13 on each side of midvein. Rachis of inflorescences glabrous or glabrescent. Infructescence rachis base 2-3.5 mm thick. Cupule globose, 1.5-2 cm in diam., rarely splitting, wall ca. 1 mm thick; bracts spinelike, thick, 1-3 mm, sometimes no more than tubercles, 3- or 4-angular in cross section, pale grayish brown pubescent, sometimes base loosely connected to discontinuous rings. Nut 1 per cupule, subglobose to conical, 1-1.3 cm in diam., glabrous, apex acute; scar basal, 8-9 mm in diam. Fl. Apr-May, fr. Sep-Oct of following year.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Nepal, Khasia, Bengal, Burma, Indo-China.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
SE Xizang, S Yunnan [Bangladesh, Bhutan, NE India, Myanmar, Nepal, Thailand, Vietnam]
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Broad-leaved evergreen forests; 500-2300 m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Castanopsis echinocarpa var. seminuda W. C. Cheng & C. S. Chao; C. longispicata Hu; C. tribuloides (Smith) A. de Candolle var. echinocarpa (J. D. Hooker & Thomson ex Miquel) King ex J. D. Hooker.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA