석류풀과(번행초과) Aizoaceae

1. 화피가 통으로 되어 씨방과 붙었다. 잎은 호생하고 떡잎이 없다. 각 실에 밑씨가 1 개씩 있다   ·································289. 번행초

1. 화피가 깊게 갈라져서 씨방과 떨어지고 작은 턱잎이 있다. 각 실에 밑씨가 많다 ······················································석류풀속

석류풀속 Mollugo LINN.

1. 잎은 3-5 개씩 윤생하며 꽃은 가지 끝에 취산상으로 배열하고 삭과는 둥글다 ·····················································290. 석류풀

1. 잎은 4~7 개씩 윤생하며 꽃은 액생하고 삭과는 난상 타원형 이다  ·······························································291. 큰석류풀