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Three species groups in American trilliums as revealed by compatibility with an Asian species

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Abstract

American trilliums are all diploid and are classified into three groups with regard to compatibility withTrillium kamtschaticum, a single diploid Asian species: (1) Compatible pedicellate-flowered species, i.e.T. erectum, T. gleasoni, andT. vaseyi. (2) Incompatible pedicellate-flowered species, i.e.T. grandiflorum. (3) Incompatible sessile-flowered species, i.e.T. decunbens, T. luteum, T. sessile andT. stamineum. HybridsT. kamtschaticum×T. erectum flowered for the first time 9–10 years after sowing F1 seeds. The F1 were completely sterile in pollen and in seed-setting.

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Authors and Affiliations

  1. Department of Biology, Kyushu University, 812, Fukuoka

    Tutomu Haga (Professor Emeritus) & Robert B. Channell

  2. Department of General Biology, Vanderbilt University, 37235, Nashville, Tennessee, USA

    Tutomu Haga (Professor Emeritus) & Robert B. Channell

Authors
  1. Tutomu Haga
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  2. Robert B. Channell
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Haga, T., Channell, R.B. Three species groups in American trilliums as revealed by compatibility with an Asian species. Bot Mag Tokyo 95, 77–80 (1982). https://doi.org/10.1007/BF02493412

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  • DOI: https://doi.org/10.1007/BF02493412

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