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Hibiscus setulosus F.Muell.

Reference
Fragm. (Mueller) 1:221 (1859)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, prickly shrub, 0.5-2 m high. Fl. pink-purple, Mar to Jul or Sep. Rugged sandstone or rocky slopes.

Grazyna Paczkowska, Descriptive Catalogue, 23 September 1996

Scientific Description

Shrub or tree, with hairy stems. Leaves 35-80 mm long, 20-28 mm wide, not lobed; margins serrate; hairy, with stellate hairs, with gland-tipped hairs gland-tipped hairswith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves), 10-20 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 35-37 mm long; indumentum present, with stellate hairs present, with gland tipped hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 16-18 mm long, the lobes free, indumentum present, stellate hairs presentwith scales absent, Sessile glands absent. Calyx green, 27-30 mm long, the lobes fused half or more of their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages absent, number of ribs absent. Corolla pink or purple, 50-55 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.3-1.2 mm long; anthers 1.2-1.4 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, 18-20 mm long, with five 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 absent, Sessile glands absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent; apex rounded; prickles absent (except perhaps a terminal awn); terminal awns or spines absent; calyx persistent to mature fruit, 25 mm long, accrescent; seeds per loculus 2-4. Flowering time March, April, May, June, July or September. Distribution Botanical Province Northern, IBRA Bioregion North Kimberley, Victoria Bonaparte, Central Kimberley, Dampierland and Ord-Victorian-Plain.

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

Distribution

IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Hart, Keep, Mitchell, Pentecost, Pindanland, Purnululu.
Local Government Areas (LGAs)
Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.