TY - JOUR

T1 - Natural hybridization – recombination – an ever-ongoing process

AU - Jacobsen, Niels

AU - Ørgaard, Marian

PY - 2019

Y1 - 2019

N2 - Exemplified by studies of the SE Asian genus Cryptocoryne (Araceae) we provide evidence that: 1) interspecific hybridization is an ever-ongoing process, and introgression and gene exchange takes place whenever physically possible throughout the region; 2) artificial hybridization experiments confirm that wide crosses are possible in a large number of cases; 3) rivers and streams provide numerous, diverse habitats for Cryptocoryne diaspores to settle in; 4) the changes in habitats caused by recurrent glaciations resulting in numerous splitting and merging of populations facilitates hybridization and segregation of subsequent generations; 5) hybridization is a major driving element in speciation; 6) populations are the units and stepping stones in evolution – not the species.

AB - Exemplified by studies of the SE Asian genus Cryptocoryne (Araceae) we provide evidence that: 1) interspecific hybridization is an ever-ongoing process, and introgression and gene exchange takes place whenever physically possible throughout the region; 2) artificial hybridization experiments confirm that wide crosses are possible in a large number of cases; 3) rivers and streams provide numerous, diverse habitats for Cryptocoryne diaspores to settle in; 4) the changes in habitats caused by recurrent glaciations resulting in numerous splitting and merging of populations facilitates hybridization and segregation of subsequent generations; 5) hybridization is a major driving element in speciation; 6) populations are the units and stepping stones in evolution – not the species.

KW - Araceae

KW - Chromosome numbers

KW - Cryptocoryne

KW - Evolution

KW - Hybridization

U2 - 10.20531/tfb.2019.47.1.05

DO - 10.20531/tfb.2019.47.1.05

M3 - Journal article

AN - SCOPUS:85065613526

VL - 47

SP - 19

EP - 28

JO - Thai Forest Bulletin

JF - Thai Forest Bulletin

SN - 0495-3843

IS - 1

ER -