贝壳杉Agathis dammara

贝壳杉Agathis dammara

贝壳杉Agathis dammara

贝壳杉Agathis dammara

中文名(Chinese Name):贝壳杉
学名(Scientific Name):Agathis dammara (Lamb.) Rich.
英文名(English Common Name):dammar pine
别名(Chinese Common Name):
异名(Synonym):Agathis loranthifolia Salisb.  Pinus dammara Lamb.  Agathis beckingii Meijer Drees  Agathis hamii Meijer Drees  Dammara rumphii Presl  Dammara celebica Koord.  Dammara loranthifolia (Salisb.) Link  Dammara orientalis Lamb.  Agathis celebica (Koord.) Warb.  Dammara orientalis var. pallens Carrière  Dammara orientalis var. alba Knight ex Henkel & W. Hochst.  Dammara alba var. celebica Hassk.  Agathis pinus-dammara Poir.  Agathis orientalis (Lamb.) Mottet
科属(Family & Genus):南洋杉科Araucariaceae贝壳杉属
形态特征(Description):乔木,在原产地高达38米,胸径达45厘米以上;树皮厚,带红灰色;树冠圆锥形,枝条微下垂,幼枝淡绿色,冬芽顶生,具数枚紧贴的鳞片。叶深绿色,革质,矩圆状披针形或椭圆形,长5-12厘米,宽1.2-5厘米(果枝上的叶常较小),具多数不明显的并列细脉,边缘增厚,反曲或微反曲,先端通常钝圆,稀具短尖,叶柄长3-8毫米。雄球花圆柱形,长5-7.5厘米,径1.8-2.5厘米。球果近圆球形或宽卵圆形,长达10厘米;苞鳞宽2.5-3厘米,先端增厚而反曲;种子倒卵圆形,长约1.2厘米,径约7毫米,种翅只在种子的一侧发育,膜质,近矩圆形,上部较下部为宽,最宽处宽约1.2厘米。
分布(Distribution):原产马来半岛和菲律宾。我国厦门、福州等地引种栽培,作庭园树。
用途(Use):木材可供建筑用,树干含有丰富的树脂,为著名的达麦拉树脂,在工业上及医药上有广泛用途。
引自中国植物志英文版FOC Vol. 4 Page 10
Agathis dammara (Lambert) Richard & A. Richard in A. Richard, Comm. Bot. Conif. Cycad. 83. 1826.
贝壳杉 bei qiao shan  | Araucariaceae  | Agathis
Pinus dammara Lambert, Descr. Pinus 1: 61. 1803; Agathis alba Jeffrey; A. loranthifolia Salisbury; Dammara alba Rumphius ex Blume.
Trees to 40 m tall; trunk to 45 cm d.b.h.; bark reddish gray, thick; crown conical; branches slightly drooping; winter buds terminal on branchlets, with a few densely arranged scales. Leaves with petiole 3-8 mm; blade dark green, oblong-la- ceolate or elliptic, ± recurved, 5-12 × 1.2-5 cm, usually smaller on cone-bearing branchlets, leathery, margin thickened, apex usually obtuse, occasionally mucronate. Pollen cones 5-7.5 × 1.8-2.5 cm. Seed cones subglobose or broadly ovoid, to 10 cm; bracts 2.5-3 cm, apex reflexed. Seeds obovoid, ca. 1.2 cm × 7 mm; wing developed on 1 side, membranous, almost cuneate-oblong.
Cultivated. Fujian, Guangdong [native to Indonesia, Malaysia].
The trunk richly contains the famous "dammar" resin, which is widely used in industry and medicine. The tree is commonly grown as an ornamental, and also yields timber used for construction.
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