Fig. 586: Slum suave: a, top of plant, x Va; b, section of stem, x 1; c, lower stem 

 leaf, X 1/3; d, submersed leaf, x %; e, section of petiole, x 2; f, flower, x 15; g, fruit, x 7. 

 (Courtesy of R. K. Godfrey). 



