Herbs perennial, glabrous, 10--30 cm tall. Stems ascending to erect, terete, arcuate or decumbent at base, apex minutely brownish glandular. Lower leaves scalelike. Upper leaves alternate, ± crowded toward apex of stem; petiole 2--8 mm; leaf blade ovate to elliptic or broadly elliptic, rarely elliptic-lanceolate, 3--14(--18) X 1.3--6.5(--9) cm, papery, base cuneate to subrounded, narrowly revolute, apex acute; veins 5 or 6 pairs, raised abaxially, impressed adaxially. Pedicel 1.5--3 cm, elongating to 6 cm in fruit, glandular. Flowers axillary, solitary or 2--5 in axils of lower leaves. Calyx 4--6(--7) mm; lobes ovate-lanceolate, glandular on margin. Corolla yellow, deeply parted; lobes oblong, 9--13(--20) X (2.5--)4--5.5 mm, apex acute or subobtuse. Filaments connate basally into a 0.8 mm high ring, free parts very short; anthers 5.5--9 mm, apex obtuse, basifixed, opening by apical pores. Ovary ovoid; style 6--9 mm. Capsule subglobose, ca. 4 mm in diam. Fl. May-Jun.
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