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- Title
Genetic characterization of hybridization between the New Zealand everlastings Helichrysum lanceolatum and Anaphalioides bellidioides (Asteraceae: Gnaphalieae).
- Authors
SMISSEN, ROB D.; BREITWIESER, ILSE; WARD, JOSEPHINE M.
- Abstract
Intergeneric hybridization between the endemic New Zealand species Helichrysum lanceolatum and Anaphalioides bellidioides (Asteraceae: Gnaphalieae) at two Banks Peninsula populations was investigated by DNA sequencing and amplified fragment length polymorphism fingerprinting. Crosses in both directions have contributed to the generation of the F1 hybrids, but in the study season hybridization was far more common with H. lanceolatum as the maternal parent. F1 hybrids have reduced, but considerable, fertility and seed collected from them includes back-crosses. Two hybrid plants sampled from the wild appear to be back-crosses to H. lanceolatum. Despite back-crossing, introgression was not demonstrated and is at most limited in scope. These results also corroborate important roles for small population size and rarity in the formation of hybrid lineages in New Zealand’s everlastings. © 2007 Landcare Research New Zealand Ltd. Journal compilation © 2007 The Linnean Society of London, Botanical Journal of the Linnean Society, 2007, 154, 89–98.
- Subjects
NEW Zealand; PLANT hybridization; ASTERACEAE; NUCLEOTIDE sequence; GENETIC polymorphisms; HUMAN fingerprints
- Publication
Botanical Journal of the Linnean Society, 2007, Vol 154, Issue 1, p89
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1111/j.1095-8339.2007.00632.x