Description from Flora of China
?Erycibe integripetala Merrill & Chun; Neuropeltis integripetala (Merrill & Chun) C. Y. Wu; Sinomerrillia bracteata H. H. Hu.
Climbers large, woody. Young stems mostly brown tomentose; mature stems glabrescent. Petiole 1-1.5 cm; leaf blade elliptic to elliptic-oblong, 6-12 X 2-6.5 cm, leathery, base broadly cuneate to attenuate into petiole, apex acute or short acuminate; lateral veins 7-10 pairs, subglabrous. Inflorescences 1-6 per axil, racemose; axes brown tomentose; bracts ovate to ovate-lanceolate, 2-3 mm, mucronulate, 1 broadly elliptic to circular in fruit, enlarging to 3-4.5 cm, glabrous except along veins. Sepals unequal, densely pubescent abaxially; outer 2 circular or slightly wider than long, 2-2.5 mm; inner 3 wider than long, 1.8-2 mm. Corolla white, broadly campanulate, ca. 5 mm, deeply 5-lobed; lobes incurved, longer than tube, pilose outside, apex obtuse. Filaments ca. 3 mm. Ovary ovoid, pubescent; stigma ca. 1 mm wide. Capsule subglobose, 5-6 mm in diam. Fl. Jun-Dec, fr. to Apr.
Forests, thickets; 400-1100 m. Hainan, S Yunnan [Indonesia, Malaysia, Myanmar, Thailand].