6. Salacia amplifolia Merrill ex Chun & F. C. How, Acta Phytotax. Sin. 7: 55. 1958.
阔叶五层龙 kuo ye wu ceng long
Climbing or erect shrubs, to 4 m tall; branchlets green-yellow, glabrous. Petiole strong and robust, 1-1.5 cm, canaliculate; leaf blade narrowly or broadly elliptic, 13-23 × (4-)6-8 cm, thickly papery, abaxially light yellow when dry, inconspicuously papillate, adaxially green-yellow, shiny, base broadly cuneate to rounded, margin weakly crimped, subentire or repando-crenulate, rarely serrulate, apex shortly acuminate to subacute; lateral veins 9-10 pairs, abaxially prominent, adaxially plane, reticulate veins conspicuous. Fascicles axillary or extra-axillary, several flowered; pedicel 8-9 mm, tenuous, base squamate; squamellae serrate, imbricate. Flowers green-white or light yellow; sepals broadly ovate, ca. 1.4 mm, apex subacute to obtuse, margin ciliolate; petals subrounded, ca. 2.2 mm, broadly spreading. Disk cupular, brown-red when fresh, subpentagonous, flexing outward. Anthers transversely dehiscent. Ovary triangular; ovules 4 per locule, 2-columned; style very short. Fruit globose, yellow or red when ripe, up to 4.5 cm in diam., 4- or 5-seeded. Seeds ca. 3 × 1.6-2 cm, black when dry. Fl. Apr-May, fr. Aug-Oct.
● Thick forests; 200-300 m. S Hainan (Sanya).