Natural Hybrid Populations between Chasmogamous and Cleistogamous Species, Ainsliaea faurieana and A. apiculata (Asteraceae; Mutisiae): Morphology, Cytology, Reproductive Mode and Allozyme Variation

KUNIAKI WATANABE; TETSUKAZU YAHARA; HIROSHI KADOTA

doi:10.1111/j.1442-1984.1992.tb00241.x

Natural Hybrid Populations between Chasmogamous and Cleistogamous Species, Ainsliaea faurieana and A. apiculata (Asteraceae; Mutisiae): Morphology, Cytology, Reproductive Mode and Allozyme Variation

KUNIAKI WATANABE, TETSUKAZU YAHARA, HIROSHI KADOTA

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Abstract Ainsliaea apiculata is a cleistogamous perennial. This species occasionally hybridizes with A. faurieana on Yakushima Island, Japan and the hybrids are fertile. A cytological study of these hybrids revealed no irregularity in their male meiosis and the occurrence of genetic segregation through successful reproduction. Allozyme variation provided evidence for segregation through selfing in the hybrids. Observation on pollen grain number showed that these hybrids have cleistogamous flowers in various frequencies. Cleistogamy is dominantly inherited in the hybrids and selfing by cleistogamous flowers is considered to contribute to the formation of hybrid populations.

Original language	English
Pages (from-to)	49-59
Number of pages	11
Journal	Plant Species Biology
Volume	7
Issue number	1
DOIs	https://doi.org/10.1111/j.1442-1984.1992.tb00241.x
Publication status	Published - Jan 1 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Ecology
Plant Science

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Natural Hybrid Populations between Chasmogamous and Cleistogamous Species, Ainsliaea faurieana and A. apiculata (Asteraceae; Mutisiae) : Morphology, Cytology, Reproductive Mode and Allozyme Variation. / WATANABE, KUNIAKI; YAHARA, TETSUKAZU; KADOTA, HIROSHI.

In: Plant Species Biology, Vol. 7, No. 1, 01.01.1992, p. 49-59.

Research output: Contribution to journal › Article › peer-review

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abstract = "Abstract Ainsliaea apiculata is a cleistogamous perennial. This species occasionally hybridizes with A. faurieana on Yakushima Island, Japan and the hybrids are fertile. A cytological study of these hybrids revealed no irregularity in their male meiosis and the occurrence of genetic segregation through successful reproduction. Allozyme variation provided evidence for segregation through selfing in the hybrids. Observation on pollen grain number showed that these hybrids have cleistogamous flowers in various frequencies. Cleistogamy is dominantly inherited in the hybrids and selfing by cleistogamous flowers is considered to contribute to the formation of hybrid populations.",

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N2 - Abstract Ainsliaea apiculata is a cleistogamous perennial. This species occasionally hybridizes with A. faurieana on Yakushima Island, Japan and the hybrids are fertile. A cytological study of these hybrids revealed no irregularity in their male meiosis and the occurrence of genetic segregation through successful reproduction. Allozyme variation provided evidence for segregation through selfing in the hybrids. Observation on pollen grain number showed that these hybrids have cleistogamous flowers in various frequencies. Cleistogamy is dominantly inherited in the hybrids and selfing by cleistogamous flowers is considered to contribute to the formation of hybrid populations.

AB - Abstract Ainsliaea apiculata is a cleistogamous perennial. This species occasionally hybridizes with A. faurieana on Yakushima Island, Japan and the hybrids are fertile. A cytological study of these hybrids revealed no irregularity in their male meiosis and the occurrence of genetic segregation through successful reproduction. Allozyme variation provided evidence for segregation through selfing in the hybrids. Observation on pollen grain number showed that these hybrids have cleistogamous flowers in various frequencies. Cleistogamy is dominantly inherited in the hybrids and selfing by cleistogamous flowers is considered to contribute to the formation of hybrid populations.

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Natural Hybrid Populations between Chasmogamous and Cleistogamous Species, Ainsliaea faurieana and A. apiculata (Asteraceae; Mutisiae): Morphology, Cytology, Reproductive Mode and Allozyme Variation

Abstract

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