Novae Gesneriaceae Neotropicarum XVI: Pearcea pileifolia, a New Species of Gesneriaceae from South America

John Littner Clark; Laurence E. Skog

doi:10.3417/2008004

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John Littner Clark,^1,2 Laurence E. Skog²

¹Department of Biological Sciences, Box 870345, The University of Alabama, Tuscaloosa, Alabama 35487-0345, U.S.A jlc@ua.edu
²Botany Department, MRC-166, Smithsonian Institution, P.O. Box 37012, National Museum of Natural History, Washington, D.C. 20013-7012, U.S.A skogl@si.edu

Abstract

A new species of Gesneriaceae (tribe Gloxinieae) is described from Ecuador and Peru in South America. Pearcea pileifolia J. L. Clark & L. E. Skog is vegetatively distinctive from all other species of Pearcea Regel by its oblong leaf blades with crenate to serrate margins and markedly anisophyllous, opposite leaves with the smaller leaf in a pair reduced to a scalelike appendage. Observations of the bivalved fruit dehiscence and the resulting appearance of winged appendages in P. pileifolia and other congeners are discussed.

Citation Download Citation

John Littner Clark and Laurence E. Skog "Novae Gesneriaceae Neotropicarum XVI: Pearcea pileifolia, a New Species of Gesneriaceae from South America," Novon: A Journal for Botanical Nomenclature 19(4), 439-443, (10 December 2009). https://doi.org/10.3417/2008004

Published: 10 December 2009

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