Begonia semiparietalis Yan Liu, S. M. Ku & C. I Peng

Herbs, rhizomatous. Rhizomes 9-12 mm in diam. Leaves basal; stipules triangular or ovate-triangular, 7-10 × 5-9 mm; blade with white spots along major veins, sometimes abaxially dark brown, with pale green major veins, broadly ovate or suborbicular, 3.5-15 × 3-13 cm, rugose, adaxially sparsely setulose-pilose, basally 5-7-veined, tertiary veins percurrent, base deeply cordate. Inflorescence a dichasial cyme with 6-25 flowers; peduncle 1.2-3 cm, glabrous; bracts reddish, ovate, oblong, or orbicular. Staminate flowers: tepals 4, outer 2 reddish or pinkish, suborbicular; inner 2 tepals narrowly obovate or oblanceolate; androecium zygomorphic; stamens 13-40; anthers oblong-obovoid, apex subemarginate. Pistillate flowers: tepals 3, outer 2 tepals pinkish or reddish, suborbicular; inner 1 pinkish white, oblanceolate or narrowly obovate, glabrous; ovary reddish, ellipsoid, long glandular pilose, unequally 3-winged, 1-loculed with parietal placentation above middle, lower half with axile placentation; abaxial wing lunate; styles 3. Capsule nodding, reddish when fresh. 2n = 30*.

● Limestone hills. Guangxi (Fusui).