Taxonomic Revision of the Endangered Hawaiian Red-flowered Sandalwoods (Santalum) and Discovery of an Ancient Hybrid Species

Autor:	Hank L. Oppenheimer, Warren L. Wagner, Danica T. Harbaugh, Kenneth R. Wood
Rok vydání:	2010
Předmět:	biology Endangered species Santalum Biodiversity Population genetics Zoology Plant Science biology.organism_classification Cladistics Molecular phylogenetics Genetics Taxonomy (biology) Endemism Ecology Evolution Behavior and Systematics
Zdroj:	Systematic Botany. 35:827-838
ISSN:	1548-2324 0363-6445
DOI:	10.1600/036364410x539899
Popis:	The Hawaiian Islands are home to a quarter of the named diversity of sandalwoods in the genus Santalum. There has been considerable confusion on how to best interpret the variation patterns of the red-flowered Hawaiian sandalwoods, S. freycinetianum and S. haleakalae, and particularly of the endangered S. freycinetianum var. lanaiense in an appropriate taxonomy. In this study, nrDNA (ITS, ETS) and cpDNA (3′ trnK intron) sequence, microsatellite, and morphological data are integrated to appropriately revise the taxonomy of this group by better understanding the genetic and morphological diversity within and between populations. Results reveal that populations of S. freycinetianum from O‘ahu are genetically distinct from populations on Moloka‘i, Lana‘i, and Maui. Santalum freycinatianum is now considered only to occur on O‘ahu. The East Maui endemic S. haleakalae intergrades morphologically and is not genetically distinct from populations of S. freycinetianum var. lanaiense based on the sequence an...
Databáze:	OpenAIRE
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