Lignotuberous shrub (with several erect or ascending stems), to 3 m high. Fl. yellow, Oct. Sand, loam or clay. Road verge.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2.
Local Government Areas (LGAs): Brookton, Cunderdin, Merredin, Quairading, Tammin.
Habit and leaf form. Shrubs, 1.5–3 m high. Leaves alternate or whorled, leaves 12–40(–50) mm long overall. Leaf blade 3–9 mm wide, undissected, elliptic, flat; margins entire; indumentum present; hairs simple, eglandular.
Inflorescence and floral features. Inflorescence terminal, racemose. Flowers pedicellate, yellow. Pedicel 7–13 mm long. Perianth (perigone) 4–6 mm long. Pistil 7–10 mm long. Pollen presenter lateral.
Fruit and seed features. Fruit 13–20 mm long, 11–14 mm wide; corky tetrahedral projections absent; red-brown and pale wood zones absent. Seed 14–15 mm long; wing continuous.
Distribution. Western Australia. IBRA Bioregions SW: AW.
Habitat. Amongst medium trees, or low (sclerophyll) shrubland; in sand, or loam, or clay.
Flowering Time. September to October.
Etymology. Aculeatus (L.): – furnished with prickles; referring to the leaves of this species.
Conservation Status. R: Declared Threatened Flora - Extant Taxa.
Descriptions were generated using DELTA format and DELTA software: Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1995 onwards, 1998)
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