Physena sessiliflora Physena sessiliflora Tul. in Ann. Sc. Nat. Bot., sér. 4, 8: 55. 1857 sec. Anon. 2010+11. Anon. 2010+: Madagascar Catalogue. Catalogue of the Vascular Plants of Madagascar. – Missouri Botanical Garden, St. Louis, U.S.A. & Antananarivo, MadagascarContentDistribution (General) Distribution (General) Madagascar