Plants annual, solitary, (often reddening with age), not stoloniferous. Leaves basal and cauline, (basal usually withered at flowering, cauline reduced); petiole absent or present, flattened, 2–10[–20] mm; blade spatulate or elliptic to ovate, (2–)3(–5)-lobed apically or unlobed (lobes divergent), 2–10(–23) mm, thin, margins entire, stipitate-glandular, apex obtuse, surfaces ± purple-tipped stipitate-glandular to glabrate. Inflorescences 2–10[–50]-flowered, loose thyrses or cymes, sometimes solitary flowers, 0.5–6 cm, purple-tipped stipitate-glandular; bracts sessile or short-petiolate. Flowers: sepals erect, elliptic to ovate, margins ± stipitate-glandular, surfaces adaxially ± stipitate-glandular; petals white, not spotted, narrowly obovate to oblanceolate, 2.5–3 mm, longer than sepals; ovary 3/4 to completely inferior. 2n = 22 (Europe).