Petrogenia as a synonym of Bonamia (Convolvulaceae), with comments on allied species |
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| Authors: | Daniel F Austin George W Staples |
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| Institution: | 1. Department of Biological Sciences, Florida Atlantic University, 33431, Boca Raton, FL
2. Harvard University Herbaria, 22 Divinity Ave., 02138, Cambridge, MA
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| Abstract: | A species formerly thought to be in a monotypic genus,Petrogenia repens I. M. Johnston, is found to be congeneric withBonamia. The new combinationBonamia repens (I. M. Johnston) Austin & Staples is made. This species, with two others, we interpret as being an endemic triad in the Chihuahuan Desert Region. Possible relationships, ecology, palynology, cotyledon structure, and morphology are discussed. |
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