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This article has a lot of information about peppers, their genes and their crossing chances:
http://www.plantsciences.ucdavis.edu...r/PEPPERrd.htm
Of immediate interest is that the pepper species we know today and which originated from a common ancestor, developed in 3 branches. First branch are the capsicum chinense, c annuum and c frutescens. These 3 species are still closely enough related to each other, that they can cross easily with each other and of course within the same species. . The second branch off the ancestral tree is the c baccatum species and the third the c pubescens. Pubescens and baccatum are far less likely to cross at all (other than within the same species) or cross and have sterile seeds.
http://www.plantsciences.ucdavis.edu...r/PEPPERrd.htm
Of immediate interest is that the pepper species we know today and which originated from a common ancestor, developed in 3 branches. First branch are the capsicum chinense, c annuum and c frutescens. These 3 species are still closely enough related to each other, that they can cross easily with each other and of course within the same species. . The second branch off the ancestral tree is the c baccatum species and the third the c pubescens. Pubescens and baccatum are far less likely to cross at all (other than within the same species) or cross and have sterile seeds.
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