S. Moore, J. Bot., Lond. 43:138 (1905).
Derivation: Greek kratys, strong; stylos, style; referring to the robust and rigid style.
Synonymy: Stera Ewart & B. Rees, Proc. R.Soc. Vic. n.s. 24:263 (1912).
Common name: None
Dioecious shrubs with dense non-glandular tomentum; leaves crowded, alternate, sessile, entire, flat.
Capitula terminal, solitary, sessile on leafy branchlets, homogamotis, discoid; involucres narrowly cylindric, similar in male and female capitula; bracts obovate to oblong, coriaceous to scarious, imbricate in 4 or 5 unequal series, ultimately deciduous; receptacle minute, convex, naked; florets of female capitulum filiform; corolla 5-toothed; stamens 4 or 5, free, abortive; style branches elliptic, microscopically papillose, with stigmatic lines extending to the apices; achenes terete, ribbed, glabrous; pappus of free shortly plumose bristles; florets of male capitulum tubular, 5-merous, bisexual, sterile; corolla abruptly dilated above; anthers connate, acute at the base with lanceolate terminal appendages; style branches as in the female florets.
Achenes abortive; pappus of free shortly plumose bristles.
3 species in Australia.
Not yet available