Acacia debilis, commonly known as spindly wattle,[2] is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is a spindly shrub or tree with leathery, bipinnate leaves, spherical heads of yellow or golden yellow flowers and straight-sided, more or less leathery pods.
Acacia debilis is a spindly, erect or spreading shrub or tree that typically grows to a height of 2.5–6m (8–20ft) and has smooth greyish to reddish green bark. Its branchlets are terete, sometimes ridged and glabrous. The leaves are bipinnate and leathery, on a petiole10–40mm (0.39–1.57in) long, with up to 4 pairs of pinnae, each with 5 to 17 pairs of more or less oblong to narrowly oblong pinnules6–20mm (0.24–0.79in) long and 2–6mm (0.079–0.236in) wide on a rhachis10–70mm (0.39–2.76in) long. The flowers are borne in 8 o 25 spherical heads in racemes in leaf axils on a peduncle3–8mm (0.12–0.31in) long, each head 4–7.5mm (0.16–0.30in) in diameter with 15 to 33 bright yellow or golden yellow flowers. Flowering occurs between July and September and the pods are straight to slightly curved, 55–135mm (2.2–5.3in) long and 9–13.5mm (0.35–0.53in) wide and thinly leathery with a white powdery coating.[2][3][4][5]
Taxonomy
Acacia debilis was first formally described in 1978 by Mary Tindale in the journal Telopea from specimens collected near Wambo Creek, 17.2km (10.7mi) south-west of Kogan in 1975.[3][6] The specific epithet (debilis) means 'weak', 'feeble' or 'frail', referring to the habit of this species.[7]
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