Herbs perennial. Roots clustered, spiniform. Stems supine or ascending, 20--35 cm, multibranched, 25--35 cm, densely shortly glandular hairy, apically viscid. Leaves lanceolate-linear, 2--3 cm × 1.5--3.5(--5) mm, both surfaces pubescent, margin ciliate, midvein prominent, base cuneate, apex obtuse or acute. Dichasial cymes 3--7-flowered, densely glandular hairy; flowers erect, 1.6--2 cm in diam. Pedicel 1--1.8 cm, slender, glandular hairy; bracts lanceolate, herbaceous. Calyx tubular-clavate, 1.2--1.5 cm, densely pubescent, viscid, longitudinal veins violet; calyx teeth triangular-lanceolate, villous, margin membranous, apex obtuse. Androgynophore 2--3 mm, glabrous. Petals included in calyx, pale red; claws oblanceolate, glabrous, auricles inconspicuous; limbs obovate, 5--6 mm, shallowly bifid; coronal scales orbicular. Stamens slightly exserted; filaments glabrous. Styles slightly exserted. Capsule ovoid, 6--8 mm, shorter than calyx. Seeds reniform, abaxially smooth. Fl. Jul--Aug, fr. Aug--Oct.
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