Chromosome numbers of the Australian Zosteraceae

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Abstract

Somatic chromosome numbers of 2n = 24 are reported for all three species of Australian Zostera: Z. capricorni Aschers., Z. muelleri Irmisch ex Aschers, and Z. mucronata den Hartog and 2n = 36 for Heterozostera tasmanica (Martens ex Aschers.) den Hartog. All Australian zosteroidean species apparently have similar chromosome morphology: dot-like or rod shaped. It is suggested that the chromosome number and its morphology can be used to distinguish genera and subgenera in the Zosteraceae but not for species identification, and that speciation is not accompanied by changes of chromosome numbers.
Original languageEnglish
Pages (from-to)155-163
JournalPlant Systematics and Evolution
Volume226
Issue number3-4
DOIs
Publication statusPublished - 2001

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