Eugenia tsoongii Merrill, Philipp. J. Sci. 21: 504. 1922; E. leucocarpa Gagnepain (1918), not Merrill (1916).

Shrubs or trees, 1-5 m tall. Branchlets grayish brown when dry, slender, 4-angled. Petiole less than 2 mm; leaf blade linear to narrowly oblong, 1.5-4.5 × 0.4-1.2 cm, leathery, abaxially slightly grayish white when dry, adaxially olive green when dry, adaxially with numerous small glands, midvein impressed, secondary veins 1-1.5 mm apart, at an angle of 55°-65° from midvein, abaxially slightly raised, and adaxially inconspicuous, intramarginal veins very close to margin, base gradually narrow and rounded to slightly obtuse, apex obtuse. Inflorescences terminal, paniculate cymes, ca. 3 cm; peduncle 4-ridged. Flower buds conic, 5-7 mm. Flowers white, ca. 1.2 cm. Hypanthium obconic, ca. 4 mm, glandular punctate, corrugate when dry, glaucous. Calyx lobes 4 or 5, suborbicular, ca. 1 mm, persistent. Petals 4 or 5, coherent, rounded, ca. 2 mm in diam., glandular punctate. Stamens 5-7 mm. Style ca. 8 mm. Fruit white when ripe, globose, 5-7 mm in diam. Fl. May-Aug, fr. Oct-Dec.

Mountain valleys, margin of mixed forests by streams; 400-600 m. Guangxi, Hainan, Hunan [Vietnam].