Spontaneous Bigeneric Hybrids in Cactaceae

Gordon D. Rowley

doi:10.25223/brad.n12.1994.a2

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Gordon D. Rowley¹

¹“Cactusville”, 1 Ramsbury Drive, Earley, Reading, Berkshire RG6 2RT, UK.

Abstract

Twenty nothogeneric names, some of them new, cover the known cases of spontaneous intergeneric hybrids in Cactaceae. They can be grouped into 5 comparia in geographically distinct areas, some sharing the same pollinator, others with up to 4 different pollen vectors probably involved. Possible origins by cross-pollination, and the evolutionary significance of wide crossing are briefly discussed.

Citation Download Citation

Gordon D. Rowley "Spontaneous Bigeneric Hybrids in Cactaceae," Bradleya 1994(12), 2-7, (1 September 1994). https://doi.org/10.25223/brad.n12.1994.a2

Published: 1 September 1994

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