Shrub. Branches tortuous, terete, striate-ribbed, glabrous or sparsely appressed-puberulous. Stipules c. 0.5-1 mm long, recurved, subspinose but normally only the hard basal portion remaining as tooth-like projections at most nodes. Phyllodes few and distant, resembling branchlets but not continuous with them although the basal articulation difficult to observe, pentagonal-terete, rudimentary (> 1 mm long) to 9 mm long, 1 mm wide, ±pungent, thick, 5-nerved in all, with prominent midrib; upper margin 2-nerved, flat, 0.5 mm wide; gland not prominent, ±basal; pulvinus absent. Inflorescences simple; peduncles 0-4 mm long, appressed-puberulous; heads globular, probably c. 10-17-flowered. Flowers 5-merous, rather large; sepals c. 1/2-united, with lobes triangular and fimbriate, and tube glabrous, dark brown and obscurely 5-nerved; petals flabellate-striate. Pods and seeds not seen.
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