Glandularia J.F. Gmelin. Vervain.
A genus of about 100 species, herbs, of s. North America, Central America, and South America. Christenhusz, Fay, & Byng (2018) propose including Glandularia in Verbena, a course not followed here.
Ref: Atkins In Kadereit (2004); Christenhusz, Fay, & Byng (2018); Nesom (2010); O'Leary & Thode (2016); Umber (1979). Show full citations.