우산물통이속 Elatostemma FORST

1. 잎은 끝이 꼬리같이 길어지고 줄기의 마디는 굵어지지 않는다 ····························································· 160. 우산물통이

1. 잎은 끝이 길어지지 않는다 ······································································································ 161. 복천물통이