Pseudanthus ballingalliae

Pseudanthus ballingalliae is an openly-branched shrub that typically grows to a height of up to 1.5 m (4 ft 11 in) and has glabrous, upwardly directed branchlets. The leaves are decussate, oblong to narrowly oblong, mostly 2.8–7 mm (0.11–0.28 in) long and 1.0–1.8 mm (0.039–0.071 in) wide on a petiole 0.4–0.6 mm (0.016–0.024 in) long with reddish-brown, triangular stipules at the base. The leaves are mostly glabrous. The flowers are arranged singly in upper leaf axils with small bracts at the base, but appear to be clustered on the ends of branches. Male flowers are on a pedicel about 0.5 mm (0.020 in) long, the tepals yellow, 0.9–1 mm (0.035–0.039 in) long and 0.6–0.9 mm (0.024–0.035 in) wide and there are 3 to 5 stamens. Female flowers are sessile, the tepals greenish, 1.2–1.8 mm (0.047–0.071 in) long and 0.7–1 mm (0.028–0.039 in) wide. Flowering has been observed in September and October, and the fruit is a narrowly oval capsule 4.0–5.3 mm (0.16–0.21 in) long.

Pseudanthus ballingalliae grows in shallow, sandy soil in forest or woodland on steep slopes and in gorges in the Carnarvon and Expedition National Parks.

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