Schouwia purpurea subsp. purpurea (Forssk.) Schweinf. Dataset Update on the Brassicaceae Species Checklist Rank SUBSPECIES Published in Schweinfurth, G.A. NA Classification family Brassicaceae genus Schouwia Name Synonyms Subularia purpurea Forssk. Homonyms Schouwia purpurea subsp. purpurea (Forssk.) Schweinf.