Philotheca citrina Paul G.Wilson

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, covered in hairs or scales, the hairs simple or stellate (star-shaped). Leaves alternate, simple, 5-14 mm long, 0.8-1.2 mm wide, flat, the margins revolute, verrucose (warty), glabrous; stipular excrescences absent. Flowers terminal. solitary; pedicels 1.5-3 mm long; calyx present, 3-4 mm long, verrucose (warty), glabrous except for a ciliate marginal fringe, the hairs stellate (star-shaped); corolla yellow or green, petals five, 7-9 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, 4-4.2 mm long, smooth, hairy; anthers 1-1.2 mm long, with an appendage. Flowers in May, June, July and August. Occurs in the Eremaean Botanical Province, in the Murchison IBRA region(s). Conservation Code: Priority One (P1).