Description from Flora of China
Schizophragma integrifolium Oliver var. molle Rehder in Sargent, Pl. Wilson. 1: 42. 1911; S. molle var. grande Chun; S. molle var. rubidum N. Chao & C. C. Yang.
Shrubs scandent. Branchlets red-brown to dark brown, glabrous or pubescent. Petiole 1.5-8 cm, pubescent, glabrescent; leaf blade gray-green, brown, or red-brown on both surfaces when dry, ovate to elliptic, 10-20 × 6-12 cm, papery to subleathery, abaxially densely brownish to gray-brown pubescent especially along veins, adaxially glabrous or slightly pubescent only along veins, secondary veins 7-9 on both sides of midvein, abaxially elevated, base shallowly cordate, truncate, or obtuse-rounded, margin slightly reflexed and entire or apically sparsely denticulate, apex acute to shortly acuminate. Inflorescences corymbose, slightly arcuate apically, 10-25 cm wide, densely ferrugineous pubescent. Sterile flowers with expanded sepal 1, yellow-white, ovate to narrowly elliptic, 2.5-6 × 1-3.5 cm. Fertile flowers with calyx tube obconical, 1.5-2 mm; teeth triangular, less than 1 mm. Petals ovate, slightly concave, 2-2.5 mm, adaxially pilose. Stamens subequal; anthers broadly oblong to subglobose. Style ca. 0.5 mm. Capsule narrowly obconical, 5-6 mm, 10-striate, projected apical part conical, 1-1.5 mm. Seeds brown, ca. 4 mm including wings; wings ca. 1.5 mm, lighter than color of seed body. Fl. Jun-Jul, fr. Sep-Oct.
* Forests on roadsides, cliffs in valleys; 500-2100 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, Jiangxi, Yunnan.