Claim · model-written summary
Genetic distance suggested the hybrid species were older than previously thought.
- Taxon
- H. anomalus, H. deserticola, and H. paradoxus
Helianthus anomalus
Helianthus deserticola
Helianthus paradoxuse1 - Outcome
- hybrids are oldere0
- Direction
- oldere0
- Comparator
- previously appreciatede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the hybrids are older than previously appreciated”
e1“H. anomalus, H. deserticola, and H. paradoxus”
Title
Owens, Gregory Lawrence cIRcle (University of British Columbia) 2016. doi:10.14288/1.0300291
Other claims from this paper (10)
- Observation Hybrid sterility evolved quickly and faster in annuals than perennials.
- Observation Helianthus bolanderi was not supported as a hybrid-origin species.
- Observation Helianthus bolanderi was likely not separate from H. exilis.
- Observation Introgression with invading H. annuus was found.
- Observation Gene flow mainly entered the invading species.
- Observation Hybrid species genome composition was even or biased toward H. petiolaris.
- Observation Hybrid genomes were highly recombined.
- Observation Hybrid genomes were more compositionally similar than expected by chance.
- Observation The hybrid species did not appear fully stabilized.
- Observation H. anomalus and H. deserticola may share a common origin.