Plants annual or biennial, usually flowering once (monocarpic); stems c. 10–35 cm high, usually with several, often widely spreading branches (often candelabrum-like); stem-base remaining slender. Basal leaves oblanceolate to spathulate, petiolate, 2–4 cm long, 5–10 mm wide, obtuse to subacute; stem leaves narrow-oblanceolate, sessile to shortly petiolate, 1.5–3 cm long, 3–7 mm wide. Terminal partial inflorescence (1–)5–7(–9)-flowered; pedicels (1–)2–4(–7) cm long, up to 0.8 mm diam. when fresh; calyx-lobes subulate, 5–7(–9) mm long, acute, margins smooth to minutely papillose-serrate; corolla white or cream, veins grey to violet or inconspicuous, tube c. 4 mm long, lobes to 9 mm long; anthers c. 1.5 mm long; ovary c. 8 mm long. Capsule to c. 20 mm long. Flowers Sep.–Dec.(–Jan.).