Diminutive glabrous annual; stems suberect, weakly 4-angled, to c. 8 cm long. Leaves alternate, subsessile, ovate to obovate, 2–5 mm long, 2–3 mm wide. Flowers subsessile; calyx lobes free, narrow-triangular or subulate, c. 2 mm long at anthesis (elongating to c. 4 mm in fruit); corolla c. tubular, c. 1 mm long, the lobes erect, narrowly ovate, united in the lower half, shortly acuminate at the apex, glabrous, white to pale pink. Capsule 1.5–2 mm diam., dehiscent about the equator; seeds c. elliptic, trigonous, c. 0.5 mm long, dark brown. Flowers Oct.–Dec.
LoM, MuM, Wim, GleP, VVP, VRiv, GipP, OtP, WaP, Gold, CVU, GGr, DunT, NIS, EGL, EGU, HSF, HNF, OtR, Strz, MonT, VAlp. Also naturalised WA, SA, NSW, ACT. Native to Europe and Algeria. An occasional weed in moist depressions, on damp soil or in rock crevices, scattered in mainly southern Victoria, but locally common in the Wangaratta and Wedderburn areas in the north.
