Description from Flora of China
Beilschmiedia erythrophloia var. tanakae (Hayata) Kanehira; B. tanakae Hayata.
Trees, trunk upright, up to 1 m d.b.h. Bark shiny, gray-brown, always irregularly lamellate-fissured. Terminal buds ovoid, glabrous. Leaves opposite or alternate; petiole 1-2 cm; leaf blade dark brown and shiny on both surfaces when dry, narrowly elliptic or ovate-lanceolate, 7-11 × 2.5-4.5 cm, leathery, glabrous on both surfaces, midrib and lateral veins elevated on both surfaces, veins conspicuous, base cuneate, apex caudate or acuminate, sometimes obtuse. Panicles axillary or subterminal, glabrous. Pedicels 2-5 mm. Perianth segments elliptic, ca. 2 × 1.5 mm. Fruits ellipsoid, 1.5-2 × 1-1.2 cm, dark brown when mature, outer layer hard; fruiting pedicels slightly thickened. Fl. summer.
Broad-leaved forests; low elevations. Taiwan [Japan (Ryukyu Islands)].