Rounded shrub to 0.7 m high. Branchlets smooth or slightly tuberculate, closely lepidote. Leaves shortly petiolate, narrowly oblong, 10–15 mm long, entire or undulate, coriaceous; adaxial surface flat or convex, medially channelled, glabrous; abaxial surface silvery-lepidote. Umbels 3–6-flowered; pedicels slender, c. 5 mm long. Calyx c. 1.5 mm high including the deltate lobes, smooth, glabrous adaxially, ferruginous-lepidote abaxially. Petals broadly elliptic, 4–5 mm long, 3–3.5 mm wide, white to cream, ferruginous-lepidote abaxially. Fruit as in P. tuberculosum.