Draba
Kalheber, H. 2003: Zur Gliederung von Erophila verna s. l. mit Merkmalsprüfungen für die in Hessen vorkommenden Arten. – Bot. Naturschutz Hessen 16: 39-56Meikle, R.D. 1977: Flora of Cyprus 1 but modified and supplemented, in need for further testing
1 | Leaves narrowly linear or linear-oblanceolate, often deeply toothed; silicle with up to 15 seeds |
1' | Leaves broadly oblanceolate, oblong or obovate-elliptical, entire or occasionally with a few small teeth; silicle with more than 15 seeds |
2 | Leaves on upper side (sometimes only at the margins) with long, simple hairs, without or only with few forked hairs |
2' | Leaves on upper side with forked hairs, without or only with few simple hairs |
3 | Silicles with width-length relation > 0.48, ovate, obovate or orbicular |
3' | Silicles with width-length relation < 0.45, lanceolate or obtuse-lanceolate |