Chromosome Numbers in Some Cacti of Western North America-VIII

Marc A Baker; Jon P Rebman; Bruce D Parfitt; Donald J Pinkava; Allan D Zimmerman

doi:10.2985/026.015.0112

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Marc A Baker,¹ Jon P Rebman,^1,2 Bruce D Parfitt,^1,2 Donald J Pinkava,¹ Allan D Zimmerman^1,2

¹School of Life Sciences, Arizona State University Box 87501, Tempe, Arizona 85287-4501
²Current addresses: JP Rebman, San Diego Natural History Museum, PO Box 121390, San Diego, CA 92112-1390; BD Parfitt, Biology Dept, University of Michigan-Flint, Flint MI 48502-1950; AD Zimmerman, 13571 N Como Drive, Tortolita, AZ 85755

Abstract

Chromosome numbers are determined for 514 individuals belonging to 119 taxa within Cactaceae. Nineteen taxa have chromosome numbers reported for the first time. Based on geographic, morphological, and cytological data, three new nomenclatural combinations are made: Cylindropuntia ×cardenche (GRIFFITHS) PINKAVA & M. A. BAKER, Cylindropuntia imbricata (HAWORTH) F.M.KNUTH var spinitecta (GRIFFITHS) M.A.BAKER, and Echinocereus bonkerae THORNBER & BONKER ssp apachensis (W.BLUM & RUTOW) A.D.ZIMMERMAN. Four species are here newly published as interspecific hybrids based, in part, on several character states intermediate of their respective sympatric putative parents: Cylindropuntia ×cardenche (GRIFFITHS) PINKAVA & M.A.BAKER (pro. sp) comb. nov., Cylindropuntia ×pallida (ROSE) F.M.KNUTH (pro. sp), Opuntia ×charlestonensis CLOKEY (pro. sp), and Opuntia streptacantha LEMAIRE × O. tomentosa SALM-DYCK.

Citation Download Citation

Marc A Baker, Jon P Rebman, Bruce D Parfitt, Donald J Pinkava, and Allan D Zimmerman "Chromosome Numbers in Some Cacti of Western North America-VIII," Haseltonia 2009(15), 117-134, (1 December 2009). https://doi.org/10.2985/026.015.0112

Published: 1 December 2009

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