동자꽃속 Lychnis LINN.

1. 꽃잎은 여러 개로 갈라진다.

2. 꽃받침은 길이 2~2.5cm로서 긴 털이 약간 있고 잎은 좁은 피침형이다 ····················································332. 가는동자꽃

2. 꽃받침은 길이 1.5cm 내외로서 곱슬털이 있고 잎은 장타원상 피침형이다 ················································333. 제비동자꽃

1. 꽃잎은 2 개로 갈라진다.

3. 꽃잎은 깊게 갈라지고 꽃받침은 길이 1.5-1.7 cm이다    ········································································334. 털동자꽃

3. 꽃잎은 얕게 갈라지고 꽃받침은 길이 2~3 cm 이다   ··············································································335. 동자꽃