Resurrection of Asclepias schaffneri (Apocynaceae, Asclepiadoideae), a Rare, Mexican Milkweed

Mark Fishbein; Verónica Juárez-Jaimes; Leonardo O. Alvarado-Cárdenas

doi:10.3120/0024-9637(2008)55[69:ROASAA]2.0.CO;2

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Mark Fishbein,¹ Verónica Juárez-Jaimes,² Leonardo O. Alvarado-Cárdenas²

¹Portland State University, Department of Biology, P.O. Box 751, Portland, OR 97207 mfish@pdx.edu
²Herbario Nacional, Instituto de Biología, Universidad Nacional Autónoma de México, A.P. 70-367, Del. Coyoacán, 04510, México, D. F

Abstract

Relocation and further study of the local endemic Asclepias zacatecana McVaugh showed that it is conspecific with A. schaffneri A. Gray, a distinct species that previously had been synonymized with A. quinquedentata A. Gray. However, we consider a recently described species, A. rzedowskii W.D. Stevens, to be conspecific with A. quinquedentata. Asclepias schaffneri is lectotypified.

Citation Download Citation

Mark Fishbein, Verónica Juárez-Jaimes, and Leonardo O. Alvarado-Cárdenas "Resurrection of Asclepias schaffneri (Apocynaceae, Asclepiadoideae), a Rare, Mexican Milkweed," Madroño 55(1), 69-75, (1 January 2008). https://doi.org/10.3120/0024-9637(2008)55[69:ROASAA]2.0.CO;2

Published: 1 January 2008

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