stem short, succulent; radical and lower leaves 4- pinnately decompound, the segments not decurrent, very narrow and hairy, toothed and deeply cut; pubescence very copious, patent, white; stipules ovate, acute, scarious; calyx tube striate, setulose, segments lanceolate, reflexed, half as long as the narrow-obovate, thickish, dull-coloured petals. Stemless, or with a short, decumbent or deflexed stem. Leaves 6â12 inches long, excessively divided, very hairy, the segments almost filiform. Peduncles long, umbel many-rayed, bracts ovato-lanceolate. Flowers greenish yellow, each with a dark centre, or very dark brown, with a pale border, sweetly aromatic at night.