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Araucaria bidwillii Hook.

大叶南洋杉

Description from Flora of China

Trees to 50 m tall; trunk to 1 m d.b.h.; bark dark gray-brown, thick, flaking; crown pyramidal; branchlets dense, pendulous, green, glabrous. Leaves radially spreading, bright green, lanceolate, ovate-lanceolate, or triangular-ovate, flattened, slighty incurved, hard, thick, leathery, lacking a midvein but with numerous, parallel, thin veins, stomatal lines abaxial; leaves of same year dimorphic: those of young trees and vegetative branchlets longer (0.7-2.8 cm) and more loosely arranged than those of old trees and cone-bearing branchlets, those at middle of branchlets 2.5-6.5 cm, apex acuminate or acute. Pollen cones axillary, solitary, cylindric. Seed cones ovoid-subglobose, ca. 30 × 22 cm; bracts oblong-elliptic or oblong-ovate, margin relatively thick, wingless, apex triangular, reflexed; seed scales thickened, exposed at apex. Seeds elongate-elliptic, wingless. Pollination Jun, seed maturity after autumn of 3rd year.

Cultivated. Fujian (Fuzhou Shi), Guangdong, Guangxi (Nanning Shi), S Yunnan (Mengla Xian) [native to NE Australia]

孑遗植物区 Rare Plants Area


 

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