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1药材鉴别桂枝:呈长圆柱形,多分枝,粗端直径0.3~1 cm。表面红棕色至棕色,有纵棱线、细皱纹及小疙瘩状的叶痕、枝痕和芽痕,皮孔点状。质硬而脆,易折断。断面皮部薄显红棕色,木部黄白色至浅黄棕色,髓部黄白色略呈方形。有特异香气,味甜、微辛,皮部味较浓。肉桂:呈槽状或卷筒状,宽或直径3~10 cm,厚0.2~0.8 cm。外表面灰棕色,稍粗糙,有不规则的细皱纹及横向
Identification of a Gui Gui medicine: a long cylindrical, multi-branched, rough end diameter of 0.3 ~ 1 cm. Surface reddish brown to brown, vertical ridgeline, fine wrinkles and small lump-like leaf marks, branches marks and shoot marks, leather hole punctate. Hard and brittle, easy to break. Section skin was thin reddish brown, wood yellowish white to light yellowish brown, yellowish white slightly square. There are special aroma, sweet, micro-Xin, leather taste stronger. Cinnamon: was grooved or rolled, wide or diameter of 3 ~ 10 cm, thickness 0.2 ~ 0.8 cm. Beige outer surface, a little rough, irregular fine wrinkles and horizontal