Reproductive ecology of 21 coexisting Psychotria species ( Rubiaceae ) : when is heterostyly lost ?

@inproceedings{Sakai2007ReproductiveEO,
  title={Reproductive ecology of 21 coexisting Psychotria species ( Rubiaceae ) : when is heterostyly lost ?},
  author={Shoko Sakai and S Joseph Wright},
  year={2007}
}
Heterostyly is a genetic polymorphism in which plant populations are composed of two or more morphs that differ in stigma and anther heights. The polymorphism promotes intermorph pollen transfer, thus outcrossing. Heterostyly has been reported in 28 angiosperm families and is frequently lost in heterostylous lineages. To assess ecological factors related to shifts from heterostyly to monomorphy, we examined the reproductive ecology of heterostylous tropical shrubs of Psychotria. Among 21… CONTINUE READING

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