Herbaceous, 30-45 cm high, glabrous in all its parts. Stem branching, striate, fistuIar. Leaves alternate, oblanceolate, acute, plicato-mucronate, tapering much to the broad base which is more or less eared and ciliate, calloso-denticulate on the recurved margins, fleshy, sometimes with axillary leaf-shoots, varying much in size on different plants, on some up to 4 cm long and 8 mm broad, on others not exceeding 3 cm long and 3 mm broad. Corymbs 6-12 headed, on longish peduncles, with a few reduced leaves. Heads about 7 mm long, borne by bracteate pedicels 5-40 mm long. Involucre amply calycled, of about 20 linear, acuminate, membrane-edged bracts nearly equalling the head, dark-tipped when mature. Rays 12-14, yellow, 4-5 mm long. Disk flowers about 80. Achenes terete, tapering a little at each end, rib-striate, glabrous in the type, but pubescent on the striae in No. 1796, 2 mm. long and 0.2 mm. in diameter.
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