Cochlearia L.

63. Cochlearia L. 3

Annual to perennial herbs, glabrous or with unbranched hairs. Leaves simple. Racemes bracteate or not. Sepals erecto-patent; petals short-clawed; filaments straight. Fruit a laterally compressed swollen silicula with convex valves. Seeds in 2 rows in each loculus, verrucose or papillose. 1 Stems fistular, often more than 50 cm; cauline leaves oblonglanceolate 12. glastifolia 1 Stems not fistular, never more than 50 cm; cauline leaves not oblong-lanceolate 2 Stems leafless 10. groenlandica 2 Stems ± leafy 3 Silicula truncate at apex, obovoid 5. aestuaria 3 Silicula not truncate at apex 4 Upper cauline leaves petiolate; annual 1. danica 4 Cauline leaves all sessile; biennial or perennial, rarely annual 5 Silicula ovoid to globose

6 Petals 2-3 mm, often purplish 11. scotica

6 Petals 4-6 mm, usually white (2-4). officinalis group 5 Silicula ovoid-ellipsoid, obovoid-ellipsoid or narrower

7 Petals pale yellow; silicula distinctly obovoid-ellipsoid

6. tatrae

7 Petals white or purplish, rarely yellowish; silicula ovoidellipsoid or oblong-ellipsoid

8 Silicula ovoid-ellipsoid

9 Leaves cuneate at base 7. anglica

9 Leaves not cuneate at base

10 Petals 2-3 mm, often purplish 11. scotica

10 Petals 4-6 mm, usually white (2-4). officinalis group

8 Silicula narrowly oblong-ellipsoid or narrowly ellipsoid

11 Silicula twice as long as broad; style 1 mm

8. aragonensis

11 Silicula 3-4 times as long as broad; style 0-5 mm

9. fenestrata