Subshrubs. Stems erect, 35–80 cm, usually stellate-pannose, sometimes sparsely stellate-pubescent. Leaves cauline, <tending to persist in summer>; petiole 0–1 mm; blade linear to lanceolate, 10–30(–43) × 2–8 mm, surfaces stellate-pannose, lateral veins obscure abaxially. Inflorescences terminal, narrow panicles, <usually stellate-pannose, sometimes sparsely stellate-pubescent>; chasmogamous flowers 8–20 per panicle, cleistogamous 0. Pedicels 1–9 mm, <sparsely or not glandular-hairy>; bracts 5–25 × 0.3 mm. Chasmogamous flowers: outer sepals linear, 2 × 0.2 mm, inner sepals 5–7(–8) × 2.5–3.5 mm, apex acute to acuminate; <calyx stellate-pubescent, hairs to 1 mm>; petals obovate, 6–9 × 5–7 mm; capsules 3.5–4.3 × 2.5–2.7 mm, glabrous.
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