Shrubs or small trees; young branches gray, glabrous. Petiole 5–7 mm, glabrous; leaf blade elliptic to oblanceolate, 3–6 × 1–2 cm; base cuneate; margin slightly revolute; apex acuminate; both surfaces glabrous; lateral veins 12–14-paired, conspicuous adaxially, ± obscured abaxially. Inflorescence subapical, 1-flowered. Pedicel ca. 1.5 cm, glabrous; calyx lobes 5, broadly triangular, minute, ca. 1 mm, glabrous; corolla funnelform, rose-violet, ca. 2.5 cm, glabrous; lobes ca. 1.5 cm; stamens 10, ca. 2 cm, filaments pubescent at base; ovary narrowly cylindric, truncate at insertion of style, ca. 8 mm, glabrous. Capsule not known.