Erect, multi-stemmed, lignotuberous shrub, 1-2.5(-3.5) m high. Fl. white/white-cream, Jun to Aug. Granitic or lateritic soils.
Habit and leaf form. Shrubs, 1.5–3 m high. Leaves alternate, leaves (45–)54–80 mm long overall. Leaf blade (45–)54–80 mm long, (20–)25–55 mm wide, undissected, obovate, flat; margins entire, or prickly; indumentum absent.
Inflorescence and floral features. Inflorescence axillary, racemose. Flowers pedicellate, white. Pedicel 7–9 mm long. Perianth (perigone) 2–4 mm long. Pistil 7–8 mm long. Pollen presenter oblique.
Fruit and seed features. Fruit 35–48 mm long, 23–30 mm wide; corky tetrahedral projections absent; red-brown and pale wood zones absent. Seed 30–34 mm long; wing continuous or discontinuous, marginal, extending ± unequally down each lateral side.
Distribution. Western Australia. IBRA Bioregions SW: SWA and JF.
Habitat. Amongst low trees, or tall (sclerophyll) shrubland; occurring on outcrops (granite outcrops, creek gully); in loam (sandy clay, sandy loam, lateritic sandy clay).
Flowering Time. May to August.
Etymology. Cristata (L.): crest; referring to the crest on the fruit of this species.
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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