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The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

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Brachychiton viridiflorus (W.Fitzg.) Guymer

Reference
Austral.Syst.Bot. 1:290 (1989)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tree, 2-8 m high. Fl. green & pink, Jun to Oct. Skeletal soils over sandstone or quartzite. Rugged scarps, scree & low rocky hills.

Grazyna Paczkowska, Descriptive Catalogue, 25 September 1996
Image

Scientific Description

Tree, with hairy stems. Leaves 45-120 mm long, 30-80 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; 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, 3-5 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green or pink, 20-32 mm long, the lobes fused half or more of their length, Sessile glands absent, stellate hairs present, scales absent, Terminal appendages absent, number of ribs absent. Stamens many, united and arising from a staminal tube around the style; filaments absent (anthers sessile), indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs present, gland-tipped hairs absent; 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, wing absent. 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; prickles absent (except perhaps a terminal awn); terminal awns or spines absent; calyx deciduous before maturity, not accrescent; carpels 5; seeds per loculus 2-4 or ≥5. Flowering time June, July, August, September or October. Distribution Botanical Province Northern, IBRA Bioregion North Kimberley and Central Kimberley.

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

Distribution

IBRA Regions
Central Kimberley, Northern Kimberley.
IBRA Subregions
Berkeley, Mitchell, Pentecost.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Derby-West Kimberley, Wyndham-East Kimberley.