An ESS model for the mixed production of cleistogamous and chasmogamous flowers in a facultative cleistogamous plant

Michiko Masuda, Tetsukazu Yahara, Masayuki Maki

研究成果: Contribution to journalArticle査読

20 被引用数 (Scopus)

抄録

We have developed resource allocation models for the evolution of a mixed production of cleistogamous and chasmogamous flowers. The basic model takes into account the features associated with cleistogamous self-pollination (e.g. the greater economy and assurance of cleistogamous fertilization) and the inability of cleistogamous flowers to contribute to the outcrossed pollen pool. The basic model predicts that only one of each strategy (i.e. chasmogamy or cleistogamy) is favoured. However, when seasonal fluctuation of the fruit-to-flower ratio of chasmogamous flowers is considered, an evolutionarily stable strategy favours either cleistogamous or chasmogamous flower production. This fluctuation in fertility may explain the seasonally discrete production of dimorphic flowers in natural populations of some facultative cleistogamous plants. The simultaneous production of both of the dimorphic flowers is explained only when the effect of geitonogamous selfing of chasmogamous flowers is included in the model.

本文言語英語
ページ(範囲)429-439
ページ数11
ジャーナルEvolutionary Ecology Research
3
4
出版ステータス出版済み - 5 1 2001

All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学

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