Shrub with branched, erect stems, 0.5 m in diam., 0.3-1.0 m high, covered with phyllopodia. Leaves on tip of branches, linear, 30-70 x 2-4 mm, terete, glabrous. Inflorescence a thyrse with 1-7 monochasia arising almost at same point, each with 1-3 flowers; peduncle 0.3-0.45 m long. Corolla: tube cylindrical, slightly widened at mouth, sulphur-yellow, 17-25 mm long, glandular-pubescent, hairy filaments. Flowering time Jan., Feb.
Like T. wallichii but flowers tubular, erect and sulphur-yellow, tube 17-25 mm.