Stems 9-35 cm, erect or decumbent, sometimes rooting and branching at the base. Leaves 4-20 mm; oblong to lanceolate or linear, pellucid-dotted, with obscure reticulate venation. Sepals linear-lanceolate to ovate-lanceolate, acute, ± irregularly black-glandular-fimbriate or -long-denticulate, without or with 1-2 superficial black glands. Petals 7-12 mm, almost always without superficial black dots. Capsules 3-4 mm, narrowly ovoid. FI. 5-7. Stony places, 90-1200 m.