Erysimum Erysimum, (Pers.) Gay

10. E. linifolium (Pers.) Gay , Erysim. Nov. 3 (1842).

Caespitose perennial up to 80 cm; hairs medifixed. Lower leaves filiform to linear, green or white. Pedicels 2-4 mm in flower, up to 6 mm in fruit. Sepals (5—)6—12 mm, saccate at base; petals 12-20 mm x 4- 5 mm, purple or violet; anthers c. 2- 5 mm. Siliqua 25-75 x c. 1 - 5 mm, square in cross-section, green or grey; style 1 - 5-6 mm. Seeds 1 - 5-2 mm. • Spain and Portugal. Hs Lu.

1 Infructescenceshorterthantherestofthestem; petals12 -

16 mm; stem branched and often flexuous; style 1 - 5-3 mm

(a) subsp. linifolium 1 Infructescenceequallingorlongerthantherestofthestem; petals 14-20 mm; stem simple or little-branched; style

2-6 mm

2 Lower leaves denticulate, not densely crowded into a rosette

(b) subsp. baeticum 2 Lower leaves entire, densely crowded into a rosette

(c) subsp. cazorlense