Draba Draba, Rochel

7. D. lasiocarpa Rochel , Sched. Pl. Hung. Exsicc. (1810)

( D. aizoon Wahlenb. ).

Robust, and usually densely caespitose, up to 20 cm. Leaves up to 3(—4) mm wide, broadly linear, acute. Petals 4-4-5 mm, broadly obovate, deep yellow, longer than stamens. Silicula 6-8 x 2-5-3 mm, oblong-elliptical, flat, hispidsetose especially on margins; style short, rarely more than 1-5 mm. 2« =16. Carpathians and mountains o f Balkan peninsula; E. Austria. Al Au Bu Cz G r Hu Ju Rm, D. elongata Host , FI. Austr. 2: 237 (1832), from the Balkan peninsula and the Carpathians, differs from 7 in its narrowly obovate petals 3-5—4 mm long and equalling the stamens, and its narrower silicula 6-10 x 2-3 mm, It is often given specific rank. D. boueana Zahlbr. ex O. E. Schulz , Pflanzenreich 89 (IV. 105): 47 (1927) described from Crna Gora and N. Albania, is a rather slender dwarf plant with shorter leaves and smaller flowers and fruit than 7, which it otherwise closely resembles. It needs further study.