Replaced synonym: Sterculia megaphylla H. T. Tsai & P. I Mao, Acta Phytotax. Sin. 9: 202. 1964, not Sterculia megaphylla Bureau & J. Poisson ex Guillaumin, Bull. Soc. Bot. France 67: 122. 1920.

Trees, to 10 m tall; bark gray. Branchlets robust, terete, with large leaf scars. Leaves large, simple, apically clustered; stipule linear, ca. 1 cm, glabrous; petiole slender, 6-7 cm, grooved, nearly glabrous; leaf blade elliptic-oblong, to 28 × 14 cm, abaxially and adaxially glabrous, lateral veins ca. 17 on each side of midrib, parallel, prominently raised abaxially, venation lax, base broadly cuneate, apex abruptly shortly acuminate. Inflorescence paniculate, apically clustered, ca. 12 cm, sparsely and minutely rust-colored hairy. Pedicel slender, articulate. Calyx red, campanulate, lobes lanceolate, ca. 6 mm, slightly longer than calyx tube, incurved and cohering apically with each other, abaxially minutely puberulose, adaxially mucronate, margins ciliate. Androgynophore slender, curved, ca. 4 mm, glabrous. Anthers 10. Fruits unknown. Fl. Apr-May.

The earlier intended nomen novum "Sterculia kingtungensis" (H. H. Hsue, Acta Phytotax. Sin. 15(1): 74. 1977) was not validly published because a full and direct reference to the place of publication of the replaced synonym was not given (Vienna Code, Art. 33.4).

● Streamsides or riversides; ca. 1600 m. S Yunnan (Jingdong).