Published as part of Anh, Tran Thi Phuong, Thanh, Nguyen Thi, Quang, Bui Hong, Binh, Tran Duc, Thanh, Trinh Xuan, Le, Anh Tuan, Nguyen, Khang Sinh & Lin, Che Wei, 2024, Begonia triquetra (sect. Platycentrum, Begoniaceae), a new subpeltate-leaved species from limestone hills in Son La province, Northwestern Vietnam, pp. 281-287 in Phytotaxa 674 (3) on page 284, DOI: 10.11646/phytotaxa.674.3.5, http://zenodo.org/record/14520658

FIGURE 2. Begonia triquetra T.P.Anh, C.W.Lin, K.S.Nguyen & B.H.Quang. A. Habitat; B. Habit; C. Stem, also showing stipules and petioles; D. Cross section of petiole; E, F. Portion of leaf base, upper and lower surfaces; G. Immature and residual pistillate flowers; H. Staminate flower; I. Capsules; J. Cross section of an ovary. All photos by K.S.Nguyen from K.S. Nguyen & V.D. Vi, NSK 1175.