sentences:  Each flower consists of a tubular perianth made up of four fused tepals, and one long wiry style; the head of the style is initially trapped inside the upper perianth parts, but breaks free at anthesis.After flowering, follicles develop in the woody base of the flower head, each containing one or sometimes two seeds.Early collections of "B. wonganensis" include specimens collected by Alexander Morrison at Wongan Hills in October 1903, by Norm Moyle in Monk Well Gully, Wongan Hills, by Fred Lullfitz northwest of Wongan Hills, and by Kenneth Newbey in the Wongan Hills.