Ecological and selective effects of stigma-anther separation in the self-incompatible tropical tree Ipomoea wolcottiana (Convolvulaceae)

@article{ParraTabla2004EcologicalAS,
  title={Ecological and selective effects of stigma-anther separation in the self-incompatible tropical tree Ipomoea wolcottiana (Convolvulaceae)},
  author={V{\'i}ctor Parra-Tabla and Stephen H. Bullock},
  journal={Plant Systematics and Evolution},
  year={2004},
  volume={252},
  pages={85-95}
}
We evaluated the effect of stigma-anther separation (SAS) in flowers of the self-incompatible tropical tree Ipomoea wolcottiana (Convolvulaceae). We measured the deposition of self pollen on the stigma and the growth of pollen tubes. We also evaluated phenotypic selection on female fertility using univariate regressions of SAS with fruit production. SAS varied among individuals in two years, with a range of 0–6 mm. There was a negative correlation between SAS and the number of self pollen… CONTINUE READING

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