Stems us. several, decumbent and rooting at base, then ascending to erect, simple or sparingly branched, up to ± 2 dm. long, us. shorter. Lvs sessile, very coriac., at first erect, then patent, finally reflexed, semi-amplexicaul; (3)-6-9-(10) × 3-4 mm.; ovate-to obovate-oblong, obtuse, subcucullate. Costa prominent on undersurface, tapering from wide base; margins pale, cartilaginous. Peduncles slender, up to 10 cm. or more long, 1-2-fld. Bracts 1-3, obtuse, linear-to narrow-oblong, ± 5 mm. long. Fls ± 12-15 mm. diam. Calyx-lobes 5-6, narrow-oblong, ±4 mm. long, apiculate. Corolla white, (6)-8-12 mm. long, 6-lobed; lobes obovate-oblong, ± retuse, with 2 linear glands at base. Epig. glands 2, narrow-clavate. Column short; anthers sessile, reniform; stigma 2-lobed. Capsule oblong-clavate; placentae free-central.