Figure 2 from: Merklinger FF, Luebert F (2020) Notes on the genus Ophryosporus (Asteraceae, Eupatorieae) in Chile. PhytoKeys 161: 61-77. https://doi.org/10.3897/phytokeys.161.53736

Figure 2 Scanning Electron Microscope (SEM) images of the apical part of the cypsela showing pappus setae/squamellae of Ophryosporus species. A–F Chilean species G, H Peruvian species previously referred to Chile (pappus absent in O. floribundus) AO. anomalus (FL 4102) with few spreading squamellae (arrowed) BO. heptanthus (FFM 2019-20) with conspicuous pappus setae CO. johnstonii (Johnston 5259) with long, erect pappus setae DO. paradoxus (Zöllner 6827) with long, erect pappus setae EO. pinifolius (FL 3452) with small, erect squamellae (arrowed) FO. triangularis (FFM 2018-63) with long, erect pappus setae GO. floribundus (Asplund 11079) with no visible pappus HO. hoppii (Dillon 3926) with squamellate pappus setae fused at the base and rather more conspicuous than in O. pinifolius. Scale bars: 100 μm.