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Triumfetta simulans Halford

Reference
Austrobaileya 4:553-554,Fig.10B (1997)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, 0.5-2 m high. Fl. yellow, Jan to Feb or Apr to Jun. Sandy soils, alluvial sand, sandstone. Rocky sandstone slopes, along creeks & rivers.

Amanda Spooner, Descriptive Catalogue, 9 October 1997

Scientific Description

Shrub, with hairy stems. Leaves 40-115 mm long, 25-105 mm wide, not lobed; margins crenate; hairy, 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, 7-10 mm long; indumentum present, with simple hairs, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx 15-18 mm long, the lobes fused less than half 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 present, number of ribs absent. Corolla yellow, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, free and inserted at the base of the ovary; filaments present, 7-9 mm long; anthers 0.7-1 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, with a lobed or capitate stigma, 15 mm long, with one style branches or lobes, mostly glabrous, wing absent. Fruits indehiscent and not splitting into sections (drupes), length-width ratio more or less as long as wide, hairs or scales present, simple hairs (without tubercle bases) absent, stellate hairs present, Sessile glands absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent; apex rounded; prickles present, abundantly covering the fruit; terminal awns or spines present; calyx persistent to mature fruit, not accrescent; carpels 2-5. Flowering time January, February, April, May or June. Distribution Botanical Province Northern, IBRA Bioregion North Kimberley, Central Kimberley and Dampierland.

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

Distribution

IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley.
IBRA Subregions
Fitzroy Trough, Mitchell, Mount Eliza, Pentecost, Pindanland.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley.