狭叶坡垒Hopea chinensis

中文名(Chinese Name):狭叶坡垒
学名(Scientific Name):Hopea chinensis Hand.-Mazz.
英文名(English Common Name):
别名(Chinese Common Name):万年木
异名(Synonym):Hopea mollissima C. Y. Wu  Hopea jianshu Y. K. Yang  Hopea boreovietnamica Y. K. Yang et G. K. Wu  Hopea daweishamica Y. K. Yang et G. K. Wu  Hopea guanxiensis Y. K. Yang et G. K. Wu  Hopea pingbianica Y. K. Yang et J. K. Wu  Hopea austroyunnanica Y. K. Yang et G. K. Wu  Hopea yunnanensis Y. K. Yang et J. K. Wu  Hopea chinensis subsp. hongayensis   Hopea daweishanica Y.K. Yang & J.K. Wu  Hopea guangxiensis Y.K. Yang & J.K. Wu
科属(Family & Genus):龙脑香科(Dipterocarpaceae)坡垒属
形态特征(Description):乔木,高15-20米,具白色芳香树脂,树皮灰黑色,平滑。枝条红褐色,具白色皮孔,被灰色星状毛或短绒毛。叶互生,全缘,革质,长圆状披针形或披针形,长7-13厘米,宽2-4厘米,侧脉7-12对,在下面明显突起,先端渐尖或尾状渐尖,基部圆形或楔形,两侧略不等,上面无毛,下面被疏毛或无毛;叶柄长约1厘米,黑褐色,具环状裂纹,无毛或被疏毛。圆锥花序腋生、纤细,少花,长4-18厘米,被疏毛。花萼裂片5 枚,覆瓦状排列,无毛;花瓣5枚,淡红色,扭曲,椭圆、形,长约3-4毫米,被黄色长绒毛;雄蕊15枚,花药卵圆形,近相等,药隔附属体丝状,长约2毫米;子房3室,每室具胚珠2枚。果实卵形,黑褐色,具尖头;增大的2枚花萼裂片为长圆状披针形或长圆形,长8-9厘米,宽1.5厘米,先端圆形,具纵脉12条,无毛。花期6-7月,果期10-12月。
分布(Distribution):产广西。生于海拔600米左右的山谷、坡地、丘陵地区。
用途(Use):树脂可作喷漆制造等;木材坚硬耐腐,可供造船、桥梁、家具等。
引自中国植物志英文版FOC Vol. 13 Page 50
Hopea chinensis (Merrill) Handel-Mazzetti, Sinensia. 2: 131. 1932.
狭叶坡垒 xia ye po lei | Dipterocarpaceae  | Hopea
Shorea chinensis Merrill, Philipp. J. Sci. 21: 503. 1922, not (H. Wang) H. Zhu (1992); Hopea austroyunnanica Y. K. Yang & J. K. Wu; H. boreovietnamica Y. K. Yang & J. K. Wu; H. daweishanica Y. K. Yang & J. K. Wu; H. guangxiensis Y. K. Yang & J. K. Wu; H. hongayensis Tardieu; H. jianshu Y. K. Yang et al.; H. mollissima C. Y. Wu; H. pingbianica Y. K. Yang & J. K. Wu; H. yunnanensis Y. K. Yang & J. K. Wu.
Trees 15-20 m tall, with aromatic white resin. Bark grayish black, smooth. Branchlets reddish brown, white lenticellate, gray stellate-pubescent, gray tomentellate, or glabrous. Petiole dark brown, ca. 1 cm, glabrous or sparsely or densely yellowish pubescent; leaf blade 7-26 × 2-8 cm, oblong to oblong-lanceolate, leathery, abaxially sparsely pubescent or glabrous, adaxially glabrous or both densely stellate-pubescent, lateral veins 8-12 pairs, conspicuously raised abaxially, base rounded or cuneate, slightly asymmetric, margin entire, apex acuminate or caudate-acuminate. Panicle axillary, few flowered, 4-18 cm, slender, sparsely or densely pubescent, with ciliate margin. Sepals imbricate, ovate, glabrous or pubescent. Petals reddish, elliptic, 3-4 mm, yellow tomentose on parts exposed in bud. Stamens (10-)15; anthers ovoid, subequal; connective appendages aristate, ca. 3 × as long as anther. Ovary ovoid; stylopodium cylindric, slightly swollen, glabrous, ca. 2 × as long as ovary; style short, tapering. Fruit dark brown, ovoid, apiculate; winglike calyx segments oblong-lanceolate or oblong, 8-12 × ca. 2.5 cm, longitudinally 12-veined, glabrous, apex rounded. Fl. Jun-Jul, fr. Oct-Dec.
Valley forests, forests on mountain slopes, hills; 300-600 m. S and SW Guangxi, S and SE Yunnan (Jiangcheng, Lüchun, Pingbian) [N Vietnam].
This is an endangered species threatened by timber exploitation. The durable wood is used for making boats, furniture, and building bridges.
狭叶坡垒Hopea chinensis

狭叶坡垒Hopea chinensis

狭叶坡垒Hopea chinensis

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