1.a biseriate perianth composed of both a calyx and a corolla.
由一花萼与一花冠共同组合的双列花被
2.Flowers floating or emersed, perianth spreading.
漂浮的花或挺水，花被平展。
3.colicroot having a scurfy or granuliferous perianth and white flowers;
一种腹痛根，具有糠秕状或颗粒状的花被和白色的花；
4.colicroot having a scurfy or granuliferous perianth and white flowers; southeastern United States.
一种腹痛根，具有糠秕状或颗粒状的花被和白色的花；生长于美国东南部。
5.perianth lobes 4, connate 1/2 of length, subapically corniculate with a small gibbose appendix at each side;
花被裂片4，合生的长度的1/2，具小角状突起具小的凸圆附属物在每一边；
6.Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.
上位式：指花被和雄蕊群着生于雌蕊群之上的花的结构类型。
7.Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.
花药6，对生于花被片，附着在裂片凹缺，小裂片凹缺，或副花冠裂片先的，背着，内向。
8.perianth lobes 4, obovate-oblong, connate 1/2 of length, subapically corniculate, with 2 small gibbose appendices at each side;
词
上的, 
挺水，花被平展。
具小角状突起具小的凸圆附属物在每一边；
