论文部分内容阅读
55.茜草科 Rubiaceae叶痕对生或轮生;叶迹1个;单叶隙;托叶生于对生叶痕之间,脱落后留有横线状托叶痕.1.托叶 3尖刺状分裂,宿存;灌木………………六月雪 Serissa serissoides(DC.)Druce1.托叶不分裂,宿存或留有托叶痕.2.小枝绿色或受光面紫红色,无毛;侧芽单生,藏于瘤状隆起(叶痕上部)之厚皮层内;托叶脱落……………………………………………水冬瓜Adina racemosa Miq.2.小枝深褐或灰褐色.
55. Rubiaceae Rubiaceae leaves mark opposite or whorled; leaf trace 1; single leaflet; stipules were born between pairs of leaf marks, leaving behind the horizontal line propotoid marks. Spines splitting, persistent; shrubs June Snow Serissa serissoides (DC.) Druce1. Stipules not splitting, persistent or with stipule marks. Branchlets green or light purple, Wool; lateral bud solitary, hidden in thick cortex of knobby uplift (leaf scar); stipule shedding ....................................................... Adina racemosa Miq.2. Branchlets Dark brown or taupe.