Pennellia
Pennellia is a genus of flowering plants belonging to the family Brassicaceae. Its native range is western central and southern central USA (in the states of Arizona, Colorado, New Mexico and Texas) and Mexico, to Central America (in Costa Rica and Guatemala), Bolivia to southern South America (in Argentina and Chile). The genus name of "Pennellia" is in honour of Francis W. Pennell (1886–1952), an American botanist best known for his studies of the "Scrophulariaceae". It was first described and published in Amer. Midl. Naturalist Vol.5 on page 224 in 1918. Known species. According to Kew: