Pteronia flexicaulis L.F.

Branches terete, glabrous, internodes 0.5-1 cm long. Leaves opposite, connate and sheathing at the base for about 1 cm long, acicular, obtuse, often viscid, with recurved tips, 3-7 cm long, about 1.5 mm. broad, subterete, with a groove on both sides, glabrous. Heads usually 3 together at the apex of the shoot, shortly pedunculate, oblong-obovoid, 2-2.5 cm long. Involucral bracts 5-6-seriate, gradually increasing in length upwards; the outermost oblong-or ovate-elliptic, about 4 mm long, rounded at the apex; the innermost linear, subacute, up to 1-8 cm long, all chaffy and straw-coloured, glabrous. Receptacle flat, 4-5 mm in diameter, honeycombed and setose. Corolla ribbed, 1-5 cm long; lobes linear-lanceolate, obtusely acuminate, 2 mm long. Anthers 5 mm long. Achenes narrowly obovoid, 4-5 mm long, thinly villous and finely glandular. Pappus up to about 7 mm long, brownish straw-coloured.