Fig. 3- Heteranthera species

Related Heteranthera species. A–B, Heteranthera dubia, from the United States: A, habit showing submerged individual with sessile and linear leaves; B, detail of the one-flowered inflorescence. C–D, Heteranthera rotundifolia, from Northeastern Brazil: C, habit, showing; D, detail of the flower; E–F, Heteranthera seubertiana, from Northeastern Brazil: E, detail of the sessile leave rosette; F, detail of the inflorescence, showing the open yellow flowers. G–H, Heteranthera zosterifolia, from Southeastern Brazil: G, habit, showing the emerged stem with sessile linear leaves; H, detail of the flower. A–B by C.N. Horn, C–D by A. Popovkin, E–F by R. Teobaldo, G by G. Oliveira and H by S.S. de Oliveira.