Pollination ecology of five species in a limestone community
Pollen was examined on the stigmatic surfaces of five species- Campanula rotundifolia L. Euphrasia confusa Pugsl., Geranium robertianum L., Potentilla erecta (L.) Rausch. and Veronica chamaedrys L.-sampled from a locality in North Yorkshire. Competition with blossoms of other species was found to ad...
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.666.1553 http://archive.bsbi.org.uk/Wats14p397.pdf |
| Summary: | Pollen was examined on the stigmatic surfaces of five species- Campanula rotundifolia L. Euphrasia confusa Pugsl., Geranium robertianum L., Potentilla erecta (L.) Rausch. and Veronica chamaedrys L.-sampled from a locality in North Yorkshire. Competition with blossoms of other species was found to adversely affect pollination in Campanula rotundifolia but enhance it in Geranium robertianum. Proportions of foreign pollen grains, observed on the stigmas of each species. correlate with the breeding systems of these species. being least where autogamy is involved. |
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