Any of various water-soluble pigments that impart to flowers and other plant parts colors ranging from violet and blue to most shades of red. 花青素一种可溶性颜料,可以使花和其它植物部位产生颜色,其颜色变化从紫色和蓝色到大多数红色
The main stem or central part about which organs or plant parts such as branches are arranged. 茎轴象枝条这样的器官或植物的基本构成体被排列于其上的主茎或中心部分