Subshrubs. Stems erect, 15–30 cm, sparsely to densely stellate-pubescent, <distally with dense, dark, glandular hairs 0.4–0.8 mm>. Leaves cauline; petiole 0–2.5 mm; blade oblanceolate to linear-lanceolate, 7–25(–35) × 2–4(–7) mm, <margins nonrevolute>, surfaces stellate-pubescent, lateral veins obscure abaxially. Inflorescences terminal, corymbose; chasmogamous flowers 3–25 per corymb, cleistogamous 0. Pedicels 1–4(–6) mm, <stellate-pubescent and densely glandular-hairy>; bracts 3–10 × 0.5–1.5 mm. Chasmogamous flowers: outer sepals lanceolate, 2.5–4 × 0.5–1 mm, inner sepals 4.5–8 × 3–4 mm, apex acuminate; <calyx strigose (sometimes also short-stellate-hairy), hairs simple, 1–1.7 mm>; petals obovate, 5–8 × 3–4 mm; capsules 4.3–6 × 3–3.5 mm, glabrous.