我国的优良紫胶寄主植物南岭黄檀又叫不知春、茶丫藤、木相思、山肥猪,小叶黄檀等,属蝶形花科,黄檀属小乔木。南岭黄檀分布于湖南、江西、广东、广西、福建、浙江、四川、云南等省(区),但以湖南、江西南部、两广北部的南岭山脉为多。南岭黄檀树皮暗灰色,纵裂;小枝暗灰色,嫩枝具披针形托叶;奇数羽状复叶,小叶长椭圆形,近平质,表面绿色;腋生的密圆锥花序紫白色,芳香。荚果扁平而薄,舌状,常有肾形种子一 China’s excellent shellac host plant Nanling Dalbergia also known as spring, tea Ah vine, Acacia, fat pig, lobular Dalbergia, etc., is a butterfly flower, Dalbergia is a small tree. Nanling Dalbergia distributed in Hunan, Jiangxi, Guangdong, Guangxi, Fujian, Zhejiang, Sichuan, Yunnan and other provinces (regions), but to Hunan, southern Jiangxi, northern Liangshan Nanling Mountains as much. Southwood Dalbergia bark dark gray, longitudinal split; branchlets dark gray, shoots with lanceolate stipules; odd pinnately compound leaves, leaflets oblong, nearly flat, surface green; axillary dense panicle purple-white, aromatic . Pods flat and thin, tongue, often kidney-shaped seeds