Description from
Flora of China
Eugenia boisiana Gagnepain, Notul. Syst. (Paris) 3: 318. 1918.
Shrubs, to 2 m tall. Branchlets grayish white when dry, slender, 4 angled; old branches terete. Leaves very shortly petiolate to nearly sessile; leaf blade narrowly ovate to oblong, 4-12 × 2-5 cm, leathery, abaxially pale colored when dry, adaxially green with yellow when dry, secondary veins numerous, dense, 2-3 mm apart, level with surface, and conspicuous on both surfaces, intramarginal veins ca. 1 mm from margin, base usually slightly cordate, apex acuminate. Inflorescences terminal or axillary, cymes, ca. 2 cm, (1 or)3-6-flowered. Hypanthium clavate, ca. 13 × 4 mm, basally gradually narrow. Calyx lobes shallow wavy. Petals distinct, orbicular, 2-3 mm in diam., outer ones bigger. Stamens numerous; anthers ca. 0.7 mm. Disk discoid. Style ca. 5 mm. Fruit clavoid to long tubular. Fl. (Jun-)Aug-Oct.
Dense forests; 100-200 m. Hainan [Thailand, Vietnam].