Herbs perennial, 10--30 cm tall. Roots multicrowned. Stems sparsely clustered, ascending from ± weak and creeping base, glandular hairy. Non-flowering leafy shoots present at base. Leaves oblanceolate, 4--7 cm × 6--15(--20) mm, both surfaces with short glandular hairs, margin glandular hairy, base attenuate into petiole, apex acute; cauline leaves usually 2 or 3 pairs, smaller than basal leaves, lanceolate, 2--3 cm, densely glandular hairy, base nearly sessile, slightly clasping. Flowers 1--3. Pedicels unequal, 1.5--7 cm, densely glandular hairy; bracts ovate-lanceolate, 5--10(--15) mm, herbaceous, glandular villous. Calyx greenish, campanulate, 1--1.5 cm × ca. 8 mm, membranous; veins dark violet glandular hairy, cohering at calyx teeth; calyx teeth broadly ovate-triangular, margin membranous, apex obtuse. Androgynophore ca. 1 mm, white woolly-hairy. Petals ca. 1.5 cm; claws narrowly oblanceolate, woolly-hairy at base, auricles not obvious; limbs exserted beyond calyx, orbicular, shallowly bifid; lobes obtuse, each with a narrow lateral tooth; coronal scales small. Stamens shorter than or nearly as long as petals. Styles 4 or 5. Capsule ellipsoid, ca. 1 cm, shorter than or subequaling calyx, 10-toothed. Seeds suborbicular or irregularly shaped, flat, 1--1.2 mm wide, smooth, winged. Fl. Jul, fr. Aug.
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