Dioecious epiphytic shrubs or small trees to 4 m tall; surface of youngest twigs sometimes wrinkling somewhat on drying (see Clusia minor above). Leaves obovate, mostly 6-10 cm long, 3-5 cm wide, apically rounded or emarginate, basally cuneate, the lateral nerves numerous, conspicuous or not, straight, ar- cuate or slightly recurving proximally, arcuate distally forming an even submar- ginal vein, minor venation mostly obscure, coriaceous, the margins drying slightly revolute; petioles ca. 5 mm long. Inflorescences short, mostly 1-3 cm long, sev- eral-flowered dichasial panicles, internodes angled, bracts scale like, cucullate, paired, thick, to 2 mm long or rudimentary; pedicels obsolete. Flower buds glo- bose, sepals 4, decussate, rotund, cucullate, the margins scarious, ca. 5 mm long, the outer- pair shorter, basally united; petals 4, rotund, ca. 5 mm long, greenish marked with purplish; stamens 4, ca. 2 mm long, the filaments basally thickened, about as long as the anthers, the anthers introrse; in pistillate flowers the anthers reduced in size, the filaments connivent into a tetragonal column; styles 4. Fruit a fleshy capsule with 4 rounded angles, depressed globose or subcylindrical, to 1.5 cm long, styles persistent, erect, short, dehiscing into 4 valves, seeds nu- merous, orange, ca. 3.5 mm long, immersed in a red-orange matrix.