Description from Flora of China
Vaccinium yaoshanicum var. megaphyllum C. Y. Wu & R. C. Fang.
Shrubs or small trees, evergreen, to 13 m tall, glabrous. Twigs terete; bud scales inconspicuous. Leaves scattered; petiole 1–2 cm; leaf blade ovate-elliptic or oblong-lanceolate, 9–18 × 2.2–9 cm, thinly leathery, secondary veins ca. 7 pairs, fine veins raised abaxially or inconspicuous, base broadly cuneate, margin plane, entire, sparsely glandular dentate, apex acuminate or long acuminate to 4 cm. Inflorescences racemose, (2–)4–8 (–10) cm, many flowered; bracts ca. 3 mm. Pedicel 3–6 mm. Hypanthium ca. 1 mm; calyx lobes ca. 1 mm, sparsely ciliate. Corolla white, campanulate, 3.4–4 mm; lobes reflexed, ovate-triangular, ca. 2 mm. Filaments ca. 1 mm, puberulous; anthers 2–2.5 mm, with 2 short spurs; tubules ca. as long as thecae. Berry 5-loculed, dark purple, globose, ca. 5 mm in diam. Fl. May–Jun, fr. Jul–Sep.
Forests, thickets; 900–1000 m. W Guangdong, E Guangxi.