Description from Flora of China
Based on Artabotrys stenopetalus Merrill & Chun, Sunyatsenia 2: 226. 1935, not Engler (1899).
Shrubs to 4 m tall, climbing. Branchlets glabrous. Petiole 4-8 mm, glabrous; leaf blade oblong to oblong-elliptic, 7-15 × 3-6 cm, papery, glabrous except for abaxially hairy main veins, secondary veins 7-9 on each side of midvein and adaxially prominent, base rounded to broadly cuneate, apex acuminate to acute. Inflorescences leaf-opposed, usually 1-flowered. Pedicel 1.2-1.5 cm. Sepals ovate, 4-5 mm, sparsely pubescent. Petals yellowish white, narrowly lanceolate, ca. 2 × 0.2 cm, subequal, base slightly broad and concave. Stamens oblong, ca. 14 × 2 mm; connectives apically rounded to subtruncate. Carpels 15, slightly longer than stamens; stigmas shortly clavate. Monocarps ellipsoid, ca. 2.5 × 1.2 cm. Fl. May-Jul, fr. Jul-Oct.
● Densely wooded slopes; 200-500 m. Guangdong, Guangxi, Hainan.