Are Selago and Sobralia both genus of plant?
Selago Selago is a genus of plant in family Scrophulariaceae, closely related to "Scrophularia" and "Verbascum". It contains around 190 species, mostly in southern Africa; two are listed on the IUCN Red List:
Vella (plant) Vella is a genus of plants in the family Brassicaceae, under which there are no fewer than six species. Species are many branched, and have hairy, sessile, entire leaves that are narrower in width at their bases, widening out to form ovals. Fruits are stiff follicles. "Vella" is endemic to that area of land encompassing Algeria, Morocco, and Spain.