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锥Castanopsis chinensis

时间:2013-09-11 10:22来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):锥 学名( Scientific Name ): Castanopsis chinensis (Spreng.) Hance 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Castanopsis remotiserrata Hu Quercus argyi H. Lv. 科属( F
中文名(Chinese Name):锥
学名(Scientific Name):Castanopsis chinensis (Spreng.) Hance
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Castanopsis remotiserrata Hu  Quercus argyi H. Lév.
科属(Family & Genus):壳斗科(Fagaceae)锥属
形态特征(Description):乔木,高10-20米,胸径20-60厘米,树皮纵裂,片状脱落,枝、叶均无毛。叶厚纸质或近革质,披针形,稀卵形,长7-18厘米,宽2-5厘米,顶部长尖,基部近于圆或短尖,叶缘至少在中部以上有锐裂齿,中脉在叶面凸起,侧脉每边9-12条,直达齿端,在叶面稍凸起,网状叶脉明显,两面同色;叶柄长1.5-2厘米。雄穗状花序或圆锥花序花序轴无毛,花被裂片内面被短柔毛;雌花序生于当年生枝的顶部,每壳斗有雌花一朵,花柱3或4枚,有时2枚,长达1.5毫米。果序长8-15厘米;壳斗圆球形,连刺径25-3.5毫米,通常整齐的3-5 瓣开裂,刺长6-12毫米,在下部或近中部合生成刺束,几将壳斗外壁完全遮蔽,很少因刺疏且短致壳壁明显可见,初时密被灰棕色短伏毛,透熟时几无毛,内壁密被棕色长绒毛;坚果圆锥形,高12-16毫米,横径10-13毫米,无毛,或在顶部有稀疏伏毛,果脐在坚果底部。花期5-7月,果次年9-11月成熟。
分布(Distribution):产广东、广西、贵州西南部(安龙)、云南东南部。生于海拔1 500米以下山地或平地杂木林中,有栽种,有时成小片纯。
用途(Use):
引自中国植物志英文版FOC Vol. 4 Page 327
Castanopsis chinensis (Sprengel) Hance, J. Linn. Soc., Bot. 10: 201. 1868.
桂林栲 zhui | Fagaceae  | Castanopsis
Castanea chinensis Sprengel, Syst. Veg. 3: 856. 1826; Castanopsis remotiserrata Hu.
Trees 10-20 m tall; branches and leaf blades glabrous. Petiole 1.5-2 cm; leaf blade lanceolate to rarely ovate, 7-18 × 2-5 cm, thickly papery to nearly leathery, concolorous, base rounded to acute, margin at least from middle to apex serrate, apex caudate; midvein and secondary veins adaxially raised; secondary veins 9-12 on each side of midvein. Female inflorescences borne on apical part of 1st-year branchlets; flowers 1 per cupule. Infructescences 8-15 cm. Cupule globose, 2.5-3.5 cm in diam., usually splitting into 3-5 segments, outside densely grayish brown puberulent when young but glabrescent, inside densely brown villous, wall 1-1.5 mm thick; bracts spinelike, almost entirely covering outside cupule, 6-12 mm, connate into bundles from base to nearly middle. Nut conical, 1.2-1.6 × 1-1.3 cm, glabrous or rarely puberulent from middle to apex; scar basal, 8-10 mm in diam. Fl. May-Jul, fr. Sep-Nov of following year.
Mixed and broad-leaved evergreen forests; below 1500 m. Guangdong, Guangxi, SW Guizhou, Hunan, SE Yunnan [Vietnam]


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