Bumblebee pollination of Cypripedium macranthos var. rebunense (Orchidaceae); a possible case of floral mimicry of Pedicularis schistostegia (Orobanchaceae)

@article{Sugiura2002BumblebeePO,
  title={Bumblebee pollination of Cypripedium macranthos var. rebunense (Orchidaceae); a possible case of floral mimicry of Pedicularis schistostegia (Orobanchaceae)},
  author={Naoto Sugiura and Masashi Goubara and Kunihiro Kitamura and Ken Inoue},
  journal={Plant Systematics and Evolution},
  year={2002},
  volume={235},
  pages={189-195}
}
 Nectarless flowers of Cypripedium macranthos var. rebunense are pollinated by only queen Bombus pseudobaicalensis, which also pollinates nectar-producing flowers of Pedicularis schistostegia. Our previous study (Sugiura et al. 2001) suggested that they form a floral mimicry system: (1) Flowering phenology of both plants overlapped greatly. (2) Cypripedium occurred with lower frequency relative to Pedicularis. And (3) in a mixed stand of both plants, foraging bumblebees were sometimes confused… CONTINUE READING
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