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- W2140930263 startingPage "169" @default.
- W2140930263 abstract "Drifting, unattached growth-forms of Macrocystis pyrifera, with branched stipes, occur in the vicinity of attached sporophytes in shallow bays in the Falkland Islands. Each blade of the drifting growth-form has the potential to form two branches, in a similar way to a frond initial of an attached sporophyte which forms two new fronds. Apical scimitars of unbranched, juvenile fronds repress the development of frond initials and this repressive influence is possibly diminished for the drifting growth-form. Based on morphological characteristics, three separate groups of drifting plants are distinguished. Drifting plants do not have sori but reproduce vegetatively by fragmentation. Field experiments showed that fragments from attached giant kelp are an unlikely source for drifting plants. Fronds with forked branches were encountered among the unbranched fronds of attached giant kelp in coastal waters. These forked fronds are formed by dichotomous division of the apical scimitar, initiated by a ‘fold’ in the tissue of the transition zone." @default.
- W2140930263 created "2016-06-24" @default.
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- W2140930263 date "1989-06-01" @default.
- W2140930263 modified "2023-09-26" @default.
- W2140930263 title "Observations on branched Macrocystis pyrifera (L.) C. Agardh (Laminariales, Phaeophyta) in the Falkland Islands" @default.
- W2140930263 doi "https://doi.org/10.2216/i0031-8884-28-2-169.1" @default.
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