86. Vaccinium koreanum Nakai, Trees Shrubs Japan. 1: 191. 1922.
红果越桔 hong guo yue ju
Shrubs deciduous. Twigs angled, pubescent, glabrescent; bud scales inconspicuous. Leaves scattered; petiole 1–2 mm, pilose; leaf blade elliptic or ovate, 3–6.5 × 1.3–3 cm, papery, both surfaces white pilose, secondary veins ± ascending, raised abaxially, flat adaxially, base cuneate or broadly cuneate to slightly obtuse, margin plane, denticulate, apex acute or acuminate. Inflorescence pseudoterminal, shortly racemose, axis to 6 mm, ?glabrous, 1–3(–5)-flowered; bracts caducous. Pedicel 4–6 mm, glabrous. Hypanthium ca. 0.8 mm, glabrous; calyx limb ca. 1 mm, divided 1/2–3/4; calyx lobes triangular. Corolla whitish, campanulate, 7–8 mm, glabrous; lobes recurved, broadly ovate, 1–1.5 mm. Filaments ca. 2.5 mm, puberulous; anthers 2.5–3.5 mm, thecae with 2 very short spurs, tubules ca. as long as thecae. Berry 5-loculed, red, ellipsoid, 8–9 × 6–7 mm, 5-angled, glabrous; persistent calyx lobes triangular or suborbicular, 2–3 mm, glabrous. Fl. May, fr. Sep.
Rocky places on mountain summits; 600–1000 m. E Liaoning (Kuandian) [Korea].
The above description of the flower is based on herbarium specimens.