cleistogamy

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cleistogamy

the production of small, inconspicuous flowers in which self-fertilization occurs before the flowers open. For example, the violet forms large, showy, cross-pollinating flowers, but also forms cleistogamic flowers late in the summer.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Natural biotic pollination did not significantly increase the amount of pollen grains on the stigma, and therefore automatic self-pollination is possible in this species.
As with automatic self-pollination, apomixis can also promote fruit set when there is a low rate of natural pollination (BAWA; WEBB, 1984; FAEGRI; VAN DER PIJL, 1979).
Self-pollen grains from automatic self-pollination were dislodged from the stigmas into solution by sonication, stained with toluidine blue, filtered by vacuum filtration onto paper, and counted under a light microscope.
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