Stems rather slender, decumbent and rooting near base, then ascending to erect, ± branched, up to 2 dm. long, us. shorter. Lvs ascending, then patent to reflexed, us. rather less densely imbricate than in the two previous spp., ± 6-12 × 2-3 mm., linear-oblong to narrowly obovate-oblong to elliptic, obtuse or subacute; costa indistinct, narrow; cartilaginous margins narrow. Peduncles 1-3-fld, up to 10 cm. long, us. shorter, slender. Fls (5)-6-10 mm. long and diam. Bracts narrow-oblong. Calyx-lobes 5-6, ovate. Corolla white; lobes 5-7, obovate-oblong; glands linear, conspicious. Epig. glands 2, subulate. Capsule c. 10 mm. long, narrow-ovoid.