Figure 9 from: Pellegrini MOO, Horn CN, Almeida RF (2018) Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L. PhytoKeys 108: 25-83. https://doi.org/10.3897/phytokeys.108.27652

Figure 9 PontederiaL.subg.Pontederia. A–C habit: A dense population of P.parviflora Alexander B population of P.ovalis Mart. ex Schult. & Schult.f. C habit of P.rotundifolia L.f. D–E petiolate leaves: D blade of P.rotundifoliaE blade of P.parvifloraF–H inflorescences: F inflorescence of P.cordata L., showing flowers with two yellow nectar guides in the posterior perianth lobes G inflorescence of P.parviflora, showing flowers with a sole yellow nectar guide in the posterior perianth lobes H inflorescence of P.rotudifolia, showing a lilac-flowered form I oblique view of a flower of P.ovalisJ–K fruits: J detail of the apex of the infructescence of P.ovalis, showing the anthocarp with sinuate ridges K detail of an achene of P.cordata, showing the toothed ridges. A by C. Willig & L. Nusbaumer B, I, J by M.O.O. Pellegrini C by L.O.A. Teixeira, D, H by R. Aguilar E by M.R. Engels F by Ashitaka-f Studio G by M.V. Lameiras and K by A. Haines.