Feathery Hop Bush

Dodonaea sinuolata is a spreading, dioecious shrub that typically grows to a height of up to 3 m (9.8 ft). Its leaves are imparipinnate 14–28 mm (0.55–1.10 in) long on a petiole 6–20 mm (0.24–0.79 in) long, with mostly 8 to 14 linear to lance-shaped side leaflets with the narrower end towards the base, 5–15.5 mm (0.20–0.61 in) long and 1–2 mm (0.039–0.079 in) wide, sometimes with wavy or toothed edges. The end leaflet is similar to the side leaflets, but shorter and lobe-like. The flowers are arranged in axils in cymes of 3 or 4, each flower on a pedicel 4.5–10 mm (0.18–0.39 in) long. The flowers have four egg-shaped sepals 1.7–3 mm (0.067–0.118 in) long that fall off as the flowers open. There are eight stamens and the ovary is glabrous. The fruit is a glabrous, usually four-winged, broadly elliptic capsule, 9.5–13 mm (0.37–0.51 in) long and 10–15 mm (0.39–0.59 in) wide, the wings leathery and 3–5.5 mm (0.12–0.22 in) wide.

Subspecies acrodentata grows in red sandy loam on stony ridges in arid and semi-arid areas between Thargomindah, St George and Tambo in Queensland with an isolated occurrence near Hillston in New South Wales. Subspecies sinuolata grows in rocky sites in open forest or woodland between Scone, the Warrumbungles in New South Wales and Chinchilla in Queensland.

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