Herbs, annual, multi-stemmed from base, glabrous. Stems erect, diffusely branching from base (hypocotyl extremely long), not bearing rosettes. Leaves (proximal leaves soon falling), alternate, ascending to nearly erect, petiolate (petiole 0.5-1.5 mm); blade light green, often reddish tinged, not glaucous, oblong-elliptic or ovate to lanceolate, terete, 1.6-4.3(-12) × 1.1-1.8 mm, base short-spurred, not scarious, apex rounded with minutely papillose tip, (surfaces minutely papillose). Flowering shoots erect, simple or branched, 2.5-6 cm; leaf blades oblong-elliptic or ovate to lanceolate, base short-spurred; offsets not formed. Inflorescences terminal cymes, (2-)3-6-flowered, sometimes flowers solitary, simple or 1-branched; branches recurved in bud, becoming erect in flower, forked; bracts similar to leaves. Pedicels 0.6-3.1 mm, (continuous with calyx tube). Flowers (3-)4(-7)-merous; sepals erect, connate basally, green, broadly ovate to reniform, equal, ca. 0.5 × 1 mm, apex rounded; petals divergent, distinct, white, ovate-elliptic, slightly channeled, 1.4-4.2 mm, apex obtuse; filaments white to pale reddish; anthers dark red; nectar scales white or pale yellow, subquadrate. Carpels widely divergent in fruit, distinct, pale brown. 2n = 8.