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贝壳杉属南洋杉科,是南洋材中有名的针叶树材。高大常绿乔木,树高可达20米,胸径最大可达3米,一般为1.5米左右。主要分布在东南亚到新几内亚和太平洋地区。在新几内亚的塞皮克、莫罗比、海兰德、新不列颠分布较多;印度尼西亚东加里曼丹、苏拉威西和马鲁古多为大径材,西加里曼丹为小径木,菲律宾岛内分布广泛,并散生于高海拔的龙脑香林内。该属约有20多种。别名:阿尔马西加(菲律宾)、达麻(印尼)、纹里(新几内亚)、贝壳杉木、白贝壳杉、南洋扁柏、南洋桂树。
Araceae Araucariaceae, is the famous South China woods softwood material. Tall evergreen trees, tree height up to 20 meters, the maximum diameter of up to 3 meters, usually about 1.5 meters. Mainly in Southeast Asia to New Guinea and the Pacific. There are more distributions in New Guinea like Sethk, Moroby, Highland, and New Britain; in East Kalimantan, Indonesia, Sulawesi and Maluku are mostly large-diameter timber, in West Kalimantan, The Philippines is widely distributed in the island and scattered in the high altitude of the forest incense Lin. The genus is about more than 20 kinds. Alias: Almaicaga (Philippines), Da Ma (Indonesia), Lane (New Guinea), shell fir, white Kauri, Nanyang cypress, South laurel tree.