Acacia striatifolia Pedley
WATTLE
Acacias of Australia
Family
Fabaceae
Distribution
Restricted to State Forests N of Chinchilla, Darling Downs District, Qld.
Description
Shrub or tree to 8 m high, single-stemmed. Bark ±corrugated, dark grey. Branchlets angular or ±flattened towards apices, dark red-brown, minutely pubescent, densely papillose; ridges not prominent. Phyllodes narrowly elliptic or elliptic, straight, 4–9.5 cm long, 10–40 (–50) mm wide, blue-green when fresh, acute to obtuse mucronulate, normally glabrous, papillose (especially the base and pulvinus), with 3–5 slightly prominent longitudinal nerves; minor nerves (4–) 5–8 (–9) per mm, fine, very rarely anastomosing; gland 1, basal, to 2 mm above pulvinus, blackish. Inflorescences racemose; raceme axes 1.5–10 mm long. Spikes 3–5 cm long, deep yellow. Flowers 5-merous; calyx 0.6–0.8 mm long, sinuolate or sepals c. 0.1 mm long, with minute reddish brown papillose hairs and occasionally scattered hyaline hairs at apices, usually glabrous on tube; corolla 1.3–1.5 mm long, dissected to 1/2–2/3, with papillose apices; ovary glabrous or slightly mealy. Pods linear, ±straight-sided to slightly constricted between and raised over seeds, 3–8.5 cm long, 3–4 mm wide, chartaceous, glabrous. Seeds narrowly oblong, 4–5.5 mm long, brownish black.
Phenology
Flowers Aug. & Sept.
Habitat
Grows in shallow, gravelly, sandy soils, in eucalypt woodland or in dense stands in undulating or hilly country.
Specimens
Qld: 9.6 km SW of Warwick, R.G.Coveny 1945 (A, AD, BRI, CANB, K, L, US); 45 km N of Chinchilla, on Auburn road, R.G.Coveny 6821 & P.Hind (A, BRI, K, L, LE, MEL, NSW, RDA, UC, US); 62.5 km from Chinchilla towards Mundubbera, N.Hall H77/65 (BRI, NSW); 50 km N of Warrego Hwy on Auburn road, A.N.Rodd 4166 & V.Hando (BRI, K, NSW).
Notes
Acacia striatifolia is allied to A. umbellata but differs in the shorter, broader phyllodes and shorter, more pubescent calyces. The structure of the inflorescence suggests a relationship to A. blakei.
FOA Reference
Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia
Author
Minor edits by B.R.Maslin & J.Rogers
Dr M.D.Tindale and Dr P.G.Kodela with the assistance of M.Bedward, S.J.Davies, C.Herscovitch, D.A.Keith and/or D.A.Morrison
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