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FOC | Family List | FOC Vol. 4 | Araucariaceae | Agathis

1. Agathis dammara (Lambert) Richard & A. Richard in A. Richard, Comm. Bot. Conif. Cycad. 83. 1826.

贝壳杉 bei qiao shan

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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