금난초속(은난초속) Cephalanthera RICHARD

1. 꽃은 황색이고 꽃받침잎은 길이 14-17mm 이다 ····················································································703. 금난초

1. 꽃은 희고 꽃받침잎은 길이 8~12mm 이다.

2. 식물체가 밋밋하며 포는 길이 1~3mm 이고 때로 큰 것도 꽃보다 짧다 ························································704. 은난초

2. 줄기의 윗부분과 잎 뒤에 돌기가 있어서 깔깔하며 밑의 포는 꽃보다 긴 것이 있다   ······································705. 은대난초