Stems prostrate, decumbent, or ascending to erect, simple or branched, 0.5-4 dm, somewhat succulent, glaucous, glabrous; rhizomes slender, bulblets absent, leafy to apex. Leaves opposite proximally, becoming alternate and crowded distally; petiole absent; blade narrowly lanceolate, elliptic, or ovate, 0.2-2.6 × 0.1-6(-12) cm, base rounded to slightly cuneate or sometimes truncate, margins entire, plane, apex obtuse to rounded (or acute), surfaces glabrous; venation single-veined. Inflorescences axillary, solitary flowers. Pedicels absent. Flowers: sepals 5, calyx not streaked, 3-5 mm, stipitate-glandular, lobes ovate, somewhat succulent throughout; petals absent; filaments distinct, equaling to slightly longer than calyx; staminodes absent. Capsules 2.5-3.5 mm, not punctate, glabrous. 2n = 30, 60.