Systematics Section / ASPT
Clark, John L. , Miller, James S. .
Genus incertae sedis: an enigmatic taxon in the Boraginaceae.
A novel taxon in the family Boraginaceae was recently discovered from the Bilsa Biological Station in the Mache-Chindul Mountains of northwestern Ecuador. This enigmatic taxon is a common understory tree to 10 meters tall. The fruits are oval with red and rubbery pulp and contain seeds that are apically notched. The calyx is 2-lobed. The corolla is tubular, regular, 4-merous with short lobes. The androecium has inserted anthers that alternate with the corolla lobes. The gynoecium is bi-lobed with two distinct, pointed styles that lack receptive stigmatic surface. A molecular phylogenetic analysis is presented based on sequence data from nuclear (ITS) and chloroplast (trnL intron and trnL-trnF intergenic spacer) regions of this novel taxon and other genera in the Boraginaceae.
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1 - University of Alabama, Department of Biological Sciences, Box 870345, Tuscaloosa, AL, 35487, USA
2 - The New York Botanical Garden, 200th Street & Southern Blvd., Bronx, NY, 10458, USA
Presentation Type: Oral Paper:Papers for Sections
Location: Lake Erie/Hilton
Date: Monday, July 9th, 2007
Time: 8:15 AM