Nelsonia canescens (Lam.) Sprengel [ Nelsonia brunelloides (Lam.) Kuntze]
no HD illustration available (m1)
Nelsonia canescens (Lam.) Sprengel [ Justicia canescens Lam.] [Acanthaceae]
N.L. Britton, F.W. Horne, Popular Fl. Puerto Rico: t. 8] () [F.W. Horne]