Contributed by D.D. Spaulding, T.W. Barger, and B.A. Sorrie
A genus of over 400 species, herbs, shrubs, trees, cosmopolitan.
ID notes:Vegetative Lobelia can be recognized by their milky sap, and the alternate leaves with obscure, whitish, callus-tipped, and often irregular or divergent teeth.
Ref: Bowden (1982); Lammers In Kadereit & Jeffrey (2007); McVaugh (1936a); McVaugh (1940a) In Woodson & Schery (1940); Pittman & Sorrie (2020); Rosatti (1986); Spaulding & Barger (2016); Spaulding, Barger, & Horne (2016); Thompson & Lammers (1997). Show full citations.