Barleria

Barleria is a genus of plants in the family Acanthaceae. It includes 303 species native to the tropics and subtropics, including the Americas from Mexico to northern South America, sub-Saharan Africa, Egypt and the Arabian Peninsula, the Indian subcontinent, Indochina, southern China and Taiwan, parts of Malesia, and New Guinea.

Some species include:
 * Barleria acanthoides Vahl
 * Barleria aculeata Balf.f.
 * Barleria albostellata C.B.Clarke, the grey barleria
 * Barleria compacta Malombe & I.Darbysh.
 * Barleria cristata L., the crested Philippine violet
 * Barleria elegans S.Moore
 * Barleria greenii M.&K.Balkwill, Green's barleria
 * Barleria lupulina Lindl., the hop-headed barleria or snake bush
 * Barleria micans Nees
 * Barleria mysorensis B.Heyne ex Roth
 * Barleria observatrix Bosser & Heine
 * Barleria obtusa Nees, the bush violet
 * Barleria opaca (Vahl) Nees
 * Barleria popovii Verdc.
 * Barleria pretoriensis C.B.Clarke
 * Barleria prionitis L., the porcupine flower
 * Barleria repens Nees, the small bush violet
 * Barleria rotundifolia Oberm.
 * Barleria siamensis Craib
 * Barleria strigosa Willd.
 * Barleria tetracantha Balf.f.