A Nomenclator of Croton (Euphorbiaceae) in Madagascar, the Comoros Archipelago, and the Mascarene Islands Author Berry, Paul E. Herbarium, Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, Michigan 48108, U. S. A. peberry@umich.edu Author Kainulainen, Kent Herbarium, Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, Michigan 48108, U. S. A. Author Ee, Benjamin W. van Department of Biology, Universidad de Puerto Rico, Recinto Universitario de Mayagueez, Mayagueez, PR 00680, Puerto Rico, U. S. A. text PhytoKeys 2017 2017-11-15 90 1 87 http://dx.doi.org/10.3897/phytokeys.90.20586 journal article http://dx.doi.org/10.3897/phytokeys.90.20586 1314-2003-90-1 80067D29FFFB7D34FF80E95D553F4254 1138341 3. Croton alchorneifolius Radcl.-Sm., Gen. Croton Madag. Comoro 135. 2016 Type . Madagascar . Prov. Antsiranana : SAVA Region , summit of Marojejy on path from Mandena , 14°26'56"S , 49°43'58"E , 30 Sep 1994 , B. Lewis , F. Rasoavimbahoaka & J. Rastefanonirina 1206 ( holotype : K!; isotypes: MO!, P [P00131484]!) . Habit and distribution. Small trees; restricted to the Marojejy Massif in northern Madagascar (Antsiranana). Notes. This is a distinctive high-elevation species with well-developed petals in the pistillate flowers and large capsules, belonging to the Mongue Group of Leandri (1939) .