| 1 | Sepals not saccate at the base; siliques densely hispid |
| 1' | At least 2 sepals distinctly saccate at the base; siliques glabrous or pubescent |
| 2 | Petals 12-17 mm long; fruits spreading with the fruiting pedicels usually thicker than the base of the silique |
| 2' | Petals 6-10 mm long; fruits ascending or almost erect with the fruiting pedicels narrower than the base of the silique |
