Begonia caobangensis C.-I Peng & C. W. Lin. A. Habit; B. Blade, abaxial view with an inflorescence; C. Winged petiole; D. Cross section of petiole; E. Infolded juvenile leaves; F, G. Portion of leaf, adaxial and abaxial surface; H. Stipules on rhizome; I. Inflorescence, showing pistillate flowers; J. Bracts; K, L. Staminate flowers; M, N. Pistillate flowers; O. Cross section of an immature capsule; P. Capsule. All from Peng 23895 (HAST).