Shrub to 2 m tall, the branches slender, puberulent, ridged below the nodes with concaulescent leaf tissue. Leaves alternate, lanceolate, apically acute, basally narrowed, denticulate in the upper 1/2, to 7 cm long, 10 mm wide; midvein prom-inent, the lateral venation obscure; petiole not evident. Inflorescence of 1-4 flowers in the axils of the leaves, numerous, the pedicels slender, puberulent, ca. 10 mm long. Flowers with the calyx of 5 equal lobes free nearly to the base, narrowly deltoid, ca. 3 mm long, glabrate; corolla white, rotate, ca. 4 mm long, the lobes acute, exceeding the tube, the tube shorter than the calyx lobes, glabrous outside, glabrate within; stamens 5, the filaments glabrous, unequal, 2 short, ca. 1 mm long, inserted near the top of the tube, 2 ca. 2 mm long inserted at the base of the tube; anthers versatile, 1 mm long, the thecae basally divaricate; ovary obtuse conical, the style 2 mm long, apically compressed, the stigma linear, following the style margins, ca. 1 mm long. Capsule 4-5 mm long, broadly ellipsoidal, glandular punctate, much exceeding the calyx lobes, the seeds yellow, ca. 0.4 mm long, reticulate.
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