Physena Physena Noronha ex Thouars, Gen. Nov. Madagasc.: 6. 1806 sec. Anon. 2010+1Type: Physena madagascariensis Steud.1. Anon. 2010+: Madagascar Catalogue. Catalogue of the Vascular Plants of Madagascar. – Missouri Botanical Garden, St. Louis, U.S.A. & Antananarivo, MadagascarContent