Brachychiton tuberculatus (W.Fitzg.) Guymer
Austral.Syst.Bot. 1:303 (1989)

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

Brief Description
Grazyna Paczkowska, Wednesday 25 September 1996

Shrub or tree, 2-7 m high. Fl. cream-green/orange-red, Apr or Aug to Nov. Red or yellow sand. Undulating plains.

Distribution

Beard’s Provinces: Northern Province.

IBRA Regions: Victoria Bonaparte.

IBRA Subregions: Victoria Bonaparte P1.

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

Scientific Description
C. Hollister and K.R. Thiele, Wednesday 15 January 2020

Tree. Stems hairy. Leaves 150-320 mm long, 115-310 mm wide, not lobed; margins entire; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves). Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary or of one whorl only (the visible whorl is a calyx, sometimes petaloid). Pedicel present, 10-14 mm long; glabrous. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, cream, red or orange, 25-27 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; filaments present, 0.8-1 mm long; anthers 1.8-2 mm long, indumentum absent (anthers glabrous). Ovary hairs or scales present, stellate hairs present; styles several, free and separate, arising from the summit of the ovary, 15 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 April, August, September, October or November. Distribution Botanical Province Northern, IBRA Bioregion Victoria Bonaparte. Conservation Code Priority Three (P3).