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饭甑青冈Cyclobalanopsis fleuryi

时间:2018-06-28 12:35来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 饭甑青冈 学名( Scientific Name ): Cyclobalanopsis fleuryi (Hick. et A. Camus) Chun ex Q. F. Zheng 英文名( English Common Name ): 别名( Chinese Common Name ): 饭甑椆 异名( Synonym ): Cyclobalanopsis au
中文名(Chinese Name):饭甑青冈
学名(Scientific Name):Cyclobalanopsis fleuryi (Hick. et A. Camus) Chun ex Q. F. Zheng
英文名(English Common Name):
别名(Chinese Common Name):饭甑椆
异名(Synonym):Cyclobalanopsis austroyunnanensis Hu  Cyclobalanopsis nengpulaensis H. Li et Y. C. Hsu  Quercus fleuryi Hickel et A. Camus  Quercus tsoi Chun ex Menitsky
科属(Family & Genus):壳斗科Fagaceae青冈属Cyclobalanopsis
形态特征(Description):常绿乔木,高达25米,树皮灰白色,平滑。小枝粗壮,幼时被棕色长绒毛,后渐无毛,密生皮孔。芽大,卵形,具6棱,芽鳞被绒毛。叶片革质,长椭圆形或卵状长椭圆形,长14-27厘米,宽4-9厘米,顶端急尖或短渐尖,基部楔形,全缘或顶端有波状锯齿,幼时密被黄棕色绒毛,老时无毛,叶背粉白色,中脉在叶面微凸起,侧脉每边10-12 (-15) 条;叶柄长2-6厘米,幼时被黄棕色绒毛。雄花序长10-15厘米,全体被褐色绒毛;雌花序长2.5-3.5厘米,生于小枝上部叶腋,着生花4-5朵,花序轴粗壮,密被黄色绒毛,花柱4-8,柱头略2裂。果序轴短,比小枝粗壮。壳斗钟形或近圆筒形,包着坚果约2/3,口径2.5-4厘米,高3-4厘米,壁厚达6毫米,内外壁被黄棕色毡状长绒毛;小苞片合生成10-13条同心环带,环带近全缘。坚果柱状长椭圆形,直径2-3厘米,高3-4.5厘米,密被黄棕色绒毛,柱座长5-8毫米;果脐凸起,直径约12毫米。花期3-4月,果期10-12月。
分布(Distribution):产江西、福建、广东、海南、广西、贵州、云南等省区。生于海拔500-1 500米的山地密林中。越南亦有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 4 Page 385     
Cyclobalanopsis fleuryi (Hickel & A. Camus) Chun ex Q. F. Zheng, Fl. Fujian. 1: 404. 1982.
饭甑青冈 fan zeng qing gang| Fagaceae  | Cyclobalanopsis
Quercus fleuryi Hickel & A. Camus, Bull. Mus. Natl. Hist. Nat. 29: 600. 1923; Cyclobalanopsis austroyunnanensis Hu; C. nengpulaensis H. Li & Y. C. Hsu; Q. tsoi Chun ex Menitsky.
Trees to 25 m tall. Branchlets densely orangish brown tomentose, glabrescent and densely lenticellate. Petiole 2-6 cm, tawny tomentose when young; leaf blade oblong-elliptic to ovate-elliptic, 14-27 × 4-9 cm, leathery, densely orangish brown tomentose when young but glabrescent, abaxially whitish, base cuneate, margin entire or apically undulate and serrulate, apex acute to shortly acuminate; midvein adaxially slightly raised; secondary veins 10-12(-15) on each side of midvein; tertiary veins abaxially conspicuous. Male inflorescences 10-15 cm, tawny tomentose. Female inflorescence solitary in leaf axils toward apex of branchlets, 2.5-3.5 cm, rachis thick and densely orangish brown tomentose; cupules 4 or 5. Infructescence rachis short, ca. 7 mm thick, thicker than branchlet. Cupule campanulate to cylindric, 3-4 × 2.5-4 cm, enclosing ca. 2/3 of nut, outside and inside with feltlike orangish brown indumentum, wall to 6 mm thick; bracts in 10-13 rings, margin subentire. Nut cylindric-ellipsoid, 3-4.5 × 2-3 cm, densely tawny tomentose; scar ca. 1.2 cm in diam., convex; stylopodium persistent, 5-8 mm. Fl. Mar-Apr, fr. Oct-Dec.
Dense forests in mountains; 500-1500 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Yunnan [Laos, Vietnam]


 




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