Hibbertia cistiflora subsp. rostrata
Shrubs to 1.5 m high, with spreading, glabrous branches. Vestiture of tubercle-based simple hairs with acicular apex confined to beak of young leaves and the margins of bracts. Leaves linear-lanceolate, 3–18 mm long, 0.5–1.1 mm wide, beaked by protruding central ridge; petiole 0.3–0.9 mm long; upper surface papillose; margins narrow, revolute usually raised above smooth broad central ridge below. Flowers sessile, terminal on mainly short shoots with up to 8 sheathing bracts 0.6–1.3 mm long; sepals 4.9–6.6 mm long, subequal, glabrous; petals obovate, 3.8–7.5 mm long, bright yellow; stamens usually 6 in one cluster; filaments free; carpels 2, glabrous. Flowers Sep.–Nov.
GGr. Occurring in heath or shrubby vegetation, on and near summits and ridgetops of the Grampians (e.g. Mts William, Rosea and Difficult, and Wallaby Rocks etc.).
The typical subspecies is restricted to the central tablelands of New South Wales. Hybrids between Hibbertia cistiflora subsp. rostrataand Hibbertia sericea have been collected in the Grampians.
Toelken, H.R. (1996). Dilleniaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae, pp. 300–313. Inkata Press, Melbourne.
