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Flora of Australia Online

Banksia subg. Isostylis

Banksia subg. Isostylis R.Br., Prodr. 396 (1810)

Banksia sect. Isostylis (R.Br.) Meisn., in J.G.C.Lehmann, Pl. Preiss. 1: 589 (1845). T: Banksia ilicifolia R.Br.

Erect shrubs or trees. All stems monopodial. Leaves alternate, serrate, rarely entire; margins not recurved. Inflorescence centripetal, head-like; axis ovoid, less than 1 cm long; flowers c. 100 per inflorescence. Perianth pubescent. Tepals separating to basal tube along adaxial suture only, otherwise remaining coherent almost to limb, not awned. Pistil straight; pollen presenter conical; pollen cylindrical. Follicles split from stylar point; valves obliquely ovate. Seed wing notched. Cotyledons transversely elliptic or rounded-cuneate. 

A subgenus of three closely-related species, all occurring in W.A. 





Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia