Against the odds: complete outcrossing in a monoecious clonal seagrass Posidonia australis (Posidoniaceae) | Zendy

Elizabeth A. Sinclair | Zendy; Ilena Gecan | Zendy; Siegfried L. Krauss | Zendy; Gary A. Kendrick | Zendy

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Against the odds: complete outcrossing in a monoecious clonal seagrass Posidonia australis (Posidoniaceae)

Author(s) -

Elizabeth A. Sinclair,

Ilena Gecan,

Siegfried L. Krauss,

Gary A. Kendrick

Publication year - 2014

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcu048

Subject(s) - biology , outcrossing , biological dispersal , pollen , genetic diversity , genetic structure , seagrass , inbreeding , ecology , mating system , botany , seed dispersal , mating , genetic variation , population , habitat , genetics , demography , sociology , gene

Seagrasses are marine, flowering plants with a hydrophilous pollination strategy. In these plants, successful mating requires dispersal of filamentous pollen grains through the water column to receptive stigmas. Approximately 40 % of seagrass species are monoecious, and therefore little pollen movement is required if inbreeding is tolerated. Outcrossing in these species is further impacted by clonality, which is variable, but can be extensive in large, dense meadows. Despite this, little is known about the interaction between clonal structure, genetic diversity and mating systems in hydrophilous taxa.

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