Herbs to 40 cm tall, branched, the stems drying angled, glabrate, apically with a few sessile globose tawny glands. Leaves opposite, ovate, obovate or broadly' elliptical, ca. 2.5 mm long, 1.5-2.0 mm wide, apically obtuse, basally cuneate, the margins serrulate in the upper 2/3, glabrate, scabridulous above and along the midvein beneath, inconspicuously punctate with dark brown, sub-globose glands, the midvein evident, with ca. 2 ascending veins on each side; petiole not defined. Inflorescences 1 or 2 flowers per leaf axil, sometimes paired, the pedicels slender, shorter than the leaves, about as long as the fruiting calyx, pilose with short white hairs or appearing pulverulent, angled, with a pair of small, cucullate, puberulent subopposite bracts near the top of the pedicel. Flowers with the calyx divided into 5 free sepals, the outer 3 sepals cordate, ca. 5 mm long, 4 mm wide, apically obtuse, puberulent, nervose, somewhat accrescent, the inner sepals narrow, acute, costate, ciliolate, shorter than the outer bracts; corolla white, 4-5 mm long; stamens 4, didynamous, the filaments 1.0-1.5 mm long, curved, inserted near the middle of the corolla tube, the anthers alike, ellipsoidal, the thecae 0.6 mm long, proximal, versatile, the connective short; ovary smooth, glabrous, sometimes glandular, the style distinct, terete, ca. 2 mm long, the stigmas bifurcate near the base, 0.7 mm long, the branches terete. Capsule globose, sometimes apically glandular, the valves indurate, ca. 3 mm long, the outer sepals becoming winglike, to 15 mm long, coriaceous; seeds oblong, longitudinally reticulate, 0.5 mm long, tan or reddish brown.
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