Endemic Families of Madagascar. XI. A new critically endangered species of Schizolaena (Sarcolaenaceae) from Tapia woodland in south-central Madagascar

David RABEHEVITRA
Missouri Botanical Garden, Madagascar Research and Conservation Program, B.P. 3391, Antananarivo 101 (Madagascar)
david.rabehevitra@mobot-mg.org

Porter P. LOWRY II
Missouri Botanical Garden, P.O. Box 299, St. Louis, MO 63166-0299 (USA), and Muséum national d’Histoire naturelle, Département Systématique et Évolution, case postale 39, 57 rue Cuvier, F-75231 Paris cedex 05 (France)
lowry@mnhn.fr