FIGURE 2. Begonia rigidifolia ssp. sonhungii C.W.Lin from Lin 714. A in Begonia rigidifolia ssp. sonhungii (sect. Petermannia, Begoniaceae), a new subspecies from limestone hills in Central Vietnam

FIGURE 2. Begonia rigidifolia ssp. sonhungii C.W.Lin from Lin 714. A. Habit; B, B'. Portion of leaf abaxial and adaxial surfaces, also showing leaf margin; C. Stipule; D. Bracts; E, E'. Staminate flower, face and side views; F, F'. Stamens, ventral and dorsal views; G, G'. Pistillate flower, face and side views; H, H'. Style and stigmatic band, dorsal and ventral views; I. Capsule; J. Cross section of an immature capsule.