장대나물속 Arabis LINN.
1. 잎은 밑이 좁아져서 잎자루같이 된다.
2. 키는 50 cm 내외로서 톱니가 없다.
3. 각과는 길이
6~7cm, 너비 1mm 이다 ·····························································································576. 섬장대
3. 각과는 길이 5.3-8.7 cm, 너비 2-2.3mm 이다 ················································································577. 주걱장대
2. 키는 50cm 이하이다.
4. 곧추 자란다 ····························································································································578. 묏장대
4. 비스듬히 또는 옆으로 자란다.
5. 2년초로서 옆으로 비스듬히 자란다 ·····················································································579. 자주장대나물
5. 다년초로서 꽃이 핀 다음부터는 지변으로 벋어간다 ········································································
580. 큰산장대
1. 잎은 밑부분으로 줄기를 감싼다.
6. 2년초이다.
7. 톱니가 거의 없다.
8. 키는 20-80 cm 이다 ···············································································································581. 털장대
8. 키는15~60cm이다 ··············································································································588. 가는장대
7. 톱니가
뚜렷하다.
9. 키는 50 cm 이상이고 각과는 길이가 7~10 cm 이다 ·································································· 583. 느러진장대
9. 키는 50 cm 미만이고 각과는 길이가 4~6 cm 이다 ········································································ 585. 섬갯장대
6. 다년초이다.
10. 각과는
길이가 2 cm 이다 ···································································································· 584. 참장대나물
10. 각과는
길이가 4-6 cm 이다 ································································································ 586. 섬바위장대