Brachychiton xanthophyllus Guymer
Austral.Syst.Bot. 1:295-296 (1989)

Conservation Code: Priority Four
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Wednesday 25 September 1996

Tree, 3-12 m high. Fl. pink, May to Dec. Soils over granite, limestone or basalt. Upper slopes, crests & rock outcrops.

Distribution

Beard’s Provinces: Northern Province.

IBRA Regions: Northern Kimberley.

IBRA Subregions: Mitchell.

IMCRA Regions: Kimberley.

Local Government Areas (LGAs): Wyndham-East Kimberley.

Scientific Description
Chris Hollister and Kevin Thiele, Tuesday 29 August 2017

Tree. Stems glabrous. Leaves 130-290 mm long, 95-200 mm wide, not lobed; margins entire; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves). Perianth of one whorl only (the visible whorl is a calyx, sometimes petaloid). Pedicel present, 6 mm long; indumentum present, with stellate hairs. Calyx pink, 30-53 mm long, the lobes fused half or more of their length, stellate hairs present, number of ribs absent. Stamens many, united and arising from a staminal tube around the style; anthers 1-2 mm long. Ovary hairs or scales present, stellate hairs present; styles several, free and separate, arising from the summit of the ovary, 15-20 mm long, with five style branches or lobes, hairy for most of length. Fruits indehiscent and splitting into sections (schizocarps), length-width ratio at least 1.5 times as long as wide, mericarps smooth, hairs and scales absent; apex rounded; calyx deciduous before maturity; carpels 5; seeds per loculus 2-4 or ≥5. Flowering time May, June, July, August, September, October, November or December. Distribution Botanical Province Northern, IBRA Bioregion North Kimberley. Conservation Code Priority Four (P4).