Plants many branched, to 7 cm tall. Flowering stem to 2.5 cm, glandular pilose. Shoot leaves imbricate, aggregated into a rosette, linear to suboblong, 5-7(-10) × 1.5-1.9(-2.5) mm, both surfaces glabrous, chalk glands 7-11, margin cartilaginous ciliate proximally, apex mucronate. Cauline leaves 3-5, abaxially and marginally glandular pilose, chalk gland 1. Flower solitary; pedicel glandular pilose. Sepals erect, ovate, ca. 3.5 × 2.5 mm, abaxially and marginally glandular pilose, adaxially glabrous, chalk gland 1, veins 4, not confluent at apex, apex obtuse or subacute, glabrous. Petals yellow, broadly obovate to orbicular, ca. 1 × 0.85 cm, ca. 15-veined, base abruptly narrowed into a claw 2-2.5 mm, margin subundulate. Stamens ca. 7.5 mm. Carpels connate proximally; ovary subsuperior; styles divergent, ca. 3 mm. Fl. May-Aug.