“…Solanum species had their pollen grains previously studied by Erdtman (1952), Murry & Eshbaugh (1971), Chung & Huang (1972), Salgado-Labouriau (1973), Rao & Ling (1974), Punt & Monna-Brands (1977), Edmonds (1984), Roubik & Moreno (1991), Velásquez & Rangel (1995), Knapp et al (1998), Melhem et al (2003), Al-Quran (2004), Perveen & Qaiser (2007), Batista-Franklim & Gonçalves-Esteves (2008), Barth & Duarte (2008), Cruz-Barros et al (2011), Lashin (2011), Silva et al (2014, Kumar et al (2015), Silva et al (2016), Du et al (2017) and Lorente et al (2017). The authors, in general, describe pollen grains as: monad; isopolar; small to medium size; oblatespheroidal to subprolate shape; circular to triangular and lobate amb; mostly 3-colporate, occasionally 4-colporate, sometimes 2-6 colporate or pantocolporate, syncolporate or parasyncolporate, colpus very long, long or short, with or without margo, fastigium, operculum, granulate or tuberculate colpus membrane and medium constriction; lalongate endoaperture, sometimes elliptic, with or without medium constriction, occasionally forming constinuous ring, with or without margo, costa and fastigium; granulate, granulate-perforate, granulate-punctate, granulatepunctate-fossulate; granulate-verrucate-punctate, echinate, microechinate, microreticulate, psilate, spinulose, spinuloseperforate, spinulose-punctate, reticulate, rugulate-ganulate, scabrate, verrucate, verrucate-punctate, with or without ornamented operculum and aspis; sexine thicker or thinner than nexine or as thick as nexine.…”