- Reference
- Austrobaileya 4:538-539,Fig.5C (1997)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Sparingly to much-branched shrub, 0.4-1.2 m high. Fl. yellow, Mar to Aug. Sand, clayey sand, cracking clay. Limestone & quartzite sandstone hills, scree slopes and along creek margins.
Scientific Description
Shrub, with hairy stems. Leaves 20-65 mm long, 10-25 mm wide, not lobed; margins entire or serrate; 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), 10-15 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 2-3 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 7-9.5 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) present, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages present, number of ribs absent. Corolla yellow, 4.3-6 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, free and inserted at the base of the ovary; filaments present, 4-5.2 mm long; anthers 0.5-0.6 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs present, gland-tipped hairs absent; style 1, with a lobed or capitate stigma, 6-8 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 absent; calyx persistent to mature fruit, not accrescent. Flowering time March, April, May, June, July or August. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Pilbara, Central Kimberley, Dampierland and Ord-Victorian-Plain.
Distribution
- IBRA Regions
- Central Kimberley, Dampierland, Great Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara.
- IBRA Subregions
- Chichester, Fitzroy Trough, Hart, McLarty, Mitchell, Mount Eliza, Pentecost, South Kimberley Interzone.
- Local Government Areas (LGAs)
- Derby-West Kimberley, East Pilbara, Halls Creek.