Small trees, 4–6 m tall. Petiole 15–20 mm, glabrous; leaf blade leathery, narrowly oblong, rarely oblong-oblanceolate, 14–17.5 × 3–4.5 cm; base rounded or subcordate, unequal; margin revolute; apex obtuse; abaxial surface glaucous; adaxial surface green, glabrous, midrib raised abaxially, grooved adaxially, lateral veins 21–25-paired, flat. Inflorescence shortly racemose-umbellate, 5-or 6-flowered; rachis ca. 20 mm. Pedicel 1.8–2 cm, glandular; calyx lobes 5 or 6, 1–2 mm, sparsely glandular outside; corolla funnel-campanulate, 9.5–10.5 cm, sparsely glandular near base, inside white-pubescent; lobes 7, widely ovate, ca. 3 × 2.5 cm, emarginate; stamens 15, unequal, 5.7–7.5 cm, filaments white-pubescent in lower half; ovary conoid, ca. 7.3 × 4 mm, densely pink glandular-hairy; style ca. 8.8 cm, with similar glands throughout; stigma swollen, discoid ca. 5 mm in diam. Capsule not known. Fl. Jul.