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Abutilon australiense (Britten) Nimbalkar, Nandikar & Sardesai

Phytotaxa 413:252 (2019)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Scientific Description

Shrub, with glabrous stems. Leaves 27-120 mm long, 18-90 mm wide, not lobed; margins crenate; hairy, with Simple hairs (without tubercle bases), with stellate hairswith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves). Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 12-50 mm long; indumentum present, with simple hairs, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 10-20 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) present, scales absent, Terminal appendages absent, number of ribs absent. Corolla yellow or orange, 25-30 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 9-13 mm long; anthers 1-1.2 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs present, stellate hairs absent, gland-tipped hairs absent; style 1, 14-18 mm long, with numerous style branches or lobes, mostly glabrous, wing absent. Fruits dehiscent (capsules and follicles), length-width ratio more or less as long as wide, hairs or scales present, simple hairs (without tubercle bases) present, stellate hairs present, Sessile glands absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent; apex distinctly flat-topped; prickles absent (except perhaps a terminal awn); terminal awns or spines absent; calyx persistent to mature fruit, not accrescent; carpels 18-20; seeds per loculus 2-4. Flowering time February, March, April, May, June, July, August, September, October or November. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Pilbara, Carnarvon, North Kimberley, Victoria Bonaparte and Dampierland.

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


IBRA Regions
Carnarvon, Dampierland, Darwin Coastal, Indian Tropical Islands, Northern Kimberley, Pilbara, Victoria Bonaparte.
IBRA Subregions
Berkeley, Cape Range, Fitzroy Trough, Keep, Mitchell, Pindanland, Roebourne.
IMCRA Regions
Bonaparte Gulf, Canning, Kimberley, North West Shelf, Pilbara (offshore).
Local Government Areas (LGAs)
Ashburton, Broome, Cocos Islands, Derby-West Kimberley, East Pilbara, Exmouth, Karratha, Port Hedland, Wyndham-East Kimberley.