4) 지네발난족 Sarcantheae

1. 옆꽃받침잎은 씨방끝에 붙고 예주 밑과 합쳐서 턱을 만들지 않는다.

2. 거는 화피보다 훨씬 길다 ················································································································· 747. 풍란

2. 거는 화펴 길이와 비슷하거나 짧다.

3. 거는 안쪽 중앙에 두드러진 줄이 있다 ···························································································746. 지네발란

3. 거는 주머니같고 안쪽에 능선이 없다 ······························································································745. 금자난

1. 옆꽃받침잎은 예주의 밑부분과 붙어서 턱을 만든다.

4. 푸른 잎이 없고 사방으로 뻗은 숨뿌리만이며 줄기는 극히 짧다  ··································································748. 거미난

4. 줄기와 녹색 잎이 있다  ·············································································································· 749. 나도풍란