Phytotaxa 197 (2): 061–083 ISSN 1179-3155 (print edition) www.mapress.com/phytotaxa/ PHYTOTAXA Copyright © 2015 Magnolia Press Article ISSN 1179-3163 (online edition) http://dx.doi.org/10.11646/phytotaxa.197.2.1 Taxonomic studies in the Miconieae (Melastomataceae). XIII. Systematics of Miconia subcompressa, a Hispaniolan endemic comprised of three eco-geographic subspecies WALTER S. JUDD1, 2, LUCAS C. MAJURE1, 2, 4, GRETCHEN M. IONTA3 & KURT M. NEUBIG2, 5 1Department of Biology, University of Florida, 220 Bartram Hall, P.O. Box 118525, Gainesville, Florida 32611-8525 USA;
[email protected]. 2Florida Museum of Natural History, University of Florida, P.O. Box 117800, Gainesville, Florida 32611-7800 USA;
[email protected]. 3Georgia College, Department of Biological & Environmental Sciences, Georgia College and State University, Campus Box 081, Milledgeville, GA 31061;
[email protected]. 4Department of Research, Conservation, and Collections, Desert Botanical Garden, 1201 North Galvin Parkway, Phoenix, AZ 85008; e-mail:
[email protected]. 5Department of Plant Biology, Southern Illinois University of Carbondale, Carbondale, Illinois 62901 USA Abstract The pattern of morphological variation in Miconia subcompressa, a species endemic to the mountains of southern His- paniola, is assessed by a consideration of numerous herbarium specimens (many collected by the authors) and a phenetic (Principal Components) analysis of 14 vegetative characters, and morphological entities are compared with a phylogenetic hypothesis based on nrDNA-sequence variation (ITS, ETS) including several accessions of this species (from across its geographic and elevational range) as well as related species of Miconia sect. Chaenopleura, especially those of the Massif de la Hotte, Haiti.