沉香树别名土沉香树、白木香树、莞香树、海南沉香树等,是瑞香科沉香树属乔木。树高达5~20m。树皮暗灰色,纤维坚韧。小枝圆柱形,具绉纹,幼时被疏柔毛。基部有宿存花萼,伞形花序顶生或腋生。花黄绿色芳香。萼浅钟状,裂片5,两面均有短柔毛。花瓣10,鳞片状,有毛。雄蕊10,1轮。雌蕊子房上位,2室,每室1胚珠。花期春夏,果期夏秋。生产条件沉香树喜土层深厚、腐殖质多、湿 Agar alias soil Agarwood, white woody tree, Wan Xiang tree, Hainan Aconitum tree, etc., is the Rui acacia tree arbor. Tree up to 5 ~ 20m. Dark gray bark, fiber tough. Branchlets cylindrical, crepe, pubescent when young. Basal persistent calyx, umbels terminal or axillary. Yellow-green aroma Calyx shallow bell-shaped, lobes 5, pubescent on both surfaces. Petals 10, scaly, hairy. Stamens 10, 1 round. Pistil ovary superior, 2 rooms, 1 ovule per chamber. Flowering spring and summer, fruit summer. Production conditions Agarwood Hi soil deep, humus and more wet