Turk's cap
noun
1- any of a number of plants which have parts that are said to resemble a turban or similar headdress, in particular头巾形植物, 尤指：
1.1
- （亦作Turk's cap lily）the martagon lily.欧洲百合。
1.2
- （亦作Turk's cap cactus）a barrel-shaped Caribbean cactus (Melocactus communis, family Cactaceae).光云球（拉丁名Melocactus communis,仙人掌科）。