FIGURE 17. Tricolporate pollen grains of Atraphaxis and Bactria, equatorial view (SEM): (A–C)—A. toktogulica (Ajdarova et al. s.n. LE), reticulate-perforate to striate-perforate pollen surface. (D–E)—A. atraphaxiformis (Abdusaljamova 65, LE), striate-perforate pollen surface. (F)—Bactria ovczinnikovii (Nepli et al. s.n. LE), microreticulate-foveolate pollen surface. (G)—A. ariana (Gorelova s.n. LE), striate-perforate pollen surface. (H–I)—A. frutescens (Resnichenko 145, MW), striate-perforate pollen surface. Scale bar = 10 μm for A, D, G–H; = 1 μm for B; = 3 μm for C, E, F, I. Images: E. Severova & O. Yurtseva.

Published as part of Yurtseva, Olga V., Severova, Elena E. & Mavrodiev, Evgeny V., 2017, Persepolium (Polygoneae): A new genus in Polygonaceae based on conventional Maximum Parsimony and Three-taxon statement analyses of a comprehensive morphological dataset, pp. 151-194 in Phytotaxa 314 (2) on page 175, DOI: 10.11646/phytotaxa.314.2.1, http://zenodo.org/record/13686213