Erect, slender, columnar shrub, to 2 m high. Fl. white, Mar to Apr or Jul. Shallow red loam over ironstone. Winter-wet flats.
Beard’s Provinces: South-West Province.
IBRA Regions: Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions: Fitzgerald, Perth, Recherche, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs): Albany, Armadale, Augusta-Margaret River, Esperance, Gnowangerup, Plantagenet.
Habit and leaf form. Shrubs, 2 m high. Leaves alternate, leaves 10–20 mm long overall. Leaf blade 10–20 mm long, 2–6 mm wide, dissected or undissected, elliptic, flat; spinose; margins prickly; indumentum absent.
Inflorescence and floral features. Inflorescence axillary, racemose. Flowers pedicellate, white. Pedicel 2–5 mm long. Perianth (perigone) 2.5–3.5 mm long. Pistil 5–7 mm long. Pollen presenter conical.
Fruit and seed features. Fruit 18–24 mm long, 8–10 mm wide; corky tetrahedral projections absent; red-brown and pale wood zones absent. Seed 12–15 mm long; 4–5 mm wide; wing discontinuous, marginal, extending down one lateral side only.
Distribution. Western Australia. IBRA Bioregions SW: JF, WAR, and ESP.
Habitat. Amongst medium trees, or low trees; in sand, or loam; occupying seasonally wet flats.
Flowering Time. March, April, and July.
Etymology. Tuberculata (L.): tuberculum – a small swelling; referring to the small, wart-like protuberances on the fruit of this species.
Conservation Status. P3: Priority Three - Poorly Known 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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