Abstract
Rarity or phenotypic plasticity: what is happening in Allocasuarina (Casuarinaceae) on the NSW North Coast?
Proceedings of the 2009 Australian Systematic Botany Society Conference National Conference, p.64
Australian Systematic Botany Society (ASBS) National Conference: Systematic botany: from science to society, 2009 (Armidale, Australia, 01-Dec-2009–04-Dec-2009)
2009
Abstract
Identification of the three more-or-less sympatric species of Allocasuarina sect. Cylindropitys on the North Coast of New South Wales is difficult: the widespread A. littoralis and A. defungens and A. simulans; the last two gazetted as ‘Threatened’ and restricted to the Nabiac area. In exposed coastal sites plants form shrubs up to 2 m regarded as hybrid 1) A. littoralis X A. defungens, 2) a maritime form of A. littoralis, 3) a form of A. defungens, or 4) A. emuina. Have environmental conditions resulted in dwarfing of A. littoralis without genotypic divergence? Morphometric data of plants from several North Coast sites was analysed using PATN and assessed along with data from SEM and chromosome number. The results of the study, along with exploratory DNA fingerprinting, will be discussed. Delimitation of species will be considered within the context of polyploidy, apomixis and clonal reproduction.
Details
- Title
- Rarity or phenotypic plasticity: what is happening in Allocasuarina (Casuarinaceae) on the NSW North Coast?
- Authors
- P Rose (Author) - University of New EnglandK L Wilson (Author) - National Herbarium of New South WalesRobert W Lamont (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationAlison Shapcott (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationJ J Bruhl (Author) - University of New England
- Publication details
- Proceedings of the 2009 Australian Systematic Botany Society Conference National Conference, p.64
- Conference details
- Australian Systematic Botany Society (ASBS) National Conference: Systematic botany: from science to society, 2009 (Armidale, Australia, 01-Dec-2009–04-Dec-2009)
- Publisher
- Australian Systematic Botany Society
- Date published
- 2009
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering; School of Law and Society; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449795002621
- Output Type
- Abstract
Metrics
1 File views/ downloads
509 Record Views