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Brachychiton diversifolius R.Br.
Northern Kurrajong

Benn., Pl.Jav.Rar. 234 (1844)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Tree, 3-18(-25) m high. Fl. green & yellow & red, May to Dec. Red sandy soils, basalt, limestone. Stony hills, along rivers.

Amanda Spooner, Descriptive Catalogue, 21 September 1999

Scientific Description

Tree. Stems glabrous. Leaves 75-210 mm long, 60-90 mm wide, not lobed; margins entire; glabrous, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves). Calyx green or yellow, 6-10 mm long, the lobes fused half or more of their length, stellate hairs present, Terminal appendages absent, number of ribs absent. Stamens many, united and arising from a staminal tube around the style; anthers 1 mm long, indumentum absent (anthers glabrous). Staminodes present, appendages absent. Ovary hairs or scales present, simple hairs present; styles several, free and separate, arising from the summit of the ovary or style 1, with a lobed or capitate stigma, 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 or scales present, stellate hairs present; apex rounded; prickles present, abundantly covering the fruit; terminal awns or spines absent; calyx deciduous before maturity. Flowering time May, June, July, August, September, October, November or December. Distribution Botanical Province Northern, IBRA Bioregion Victoria Bonaparte, Central Kimberley, Dampierland or Ord-Victorian-Plain.

C. Hollister and K.R. Thiele, 11 August 2023


IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Berkeley, Fitzroy Trough, Keep, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu.
IMCRA Regions
Canning, Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.