Annual or biennial, tall glabrous glaucous herbs, sometimes hairy below with forked somewhat stiff hairs. Radical leaves oblong-obovate, shortly stalked; cauline leaves oblong-ovate, saggitate-amplexicaul, glabrous. Racemes many flowered. Flowers mediocre, white or pale yellow; pedicel usually erect, somewhat appressed in fruit. Siliquae long, slender, erect, somewhat terete-compressed, bilocular dehiscent; valves with a conspicuous mid-rib; septum with deep depressions caused by seeds, not veined; seeds many, 1-2 seriate; radicle sometimes obliquely accumbent.

1 (-3) species in Europe, Asia and Africa; introduced in N. America and Australia etc.

Differs from Arabis L. by its annular lateral nectar glands slightly opened towards outside, middle glands present and joining the laterals; plants often glab¬rous glaucous; siliquae elongated, terete or somewhat quadrangular usually with ± biseriate seeds.

Lower Taxon

• Turritis glabra Linn.

Related Synonym(s):

• Arabis glabra (Linn.) Bernh. = Turritis glabra Linn.
• Arabis perfoliata Lam. = Turritis glabra Linn.