Self‐pollination of Asarum caulescens Maxim. (Aristolochiaceae) in Japan

Hajime Tanaka; Tetsukazu Yahara

doi:10.1111/j.1442-1984.1987.tb00040.x

Self‐pollination of Asarum caulescens Maxim. (Aristolochiaceae) in Japan

Hajime Tanaka, Tetsukazu Yahara

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

8 Citations (Scopus)

Abstract

Abstract Observations in two populations of Asarum caulescens belonging to sect. Asarum indicate that inbreeding predominates becuase (1) no effective pollinator was observed, (2) bagged flowers set fruits with well‐swollen seeds, and (3) the behaviour of filaments, changing from recurved to straight posture, results in direct deposition of pollen grains on the stigmas. This result agrees with reports on three other species of sect. Asarum in Europe and North America. We suggest that species of sect. Asarum diverged from an autogamous ancestor.

Original language	English
Pages (from-to)	133-136
Number of pages	4
Journal	Plant Species Biology
Volume	2
Issue number	1-2
DOIs	https://doi.org/10.1111/j.1442-1984.1987.tb00040.x
Publication status	Published - Jan 1 1987
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Ecology
Plant Science

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abstract = "Abstract Observations in two populations of Asarum caulescens belonging to sect. Asarum indicate that inbreeding predominates becuase (1) no effective pollinator was observed, (2) bagged flowers set fruits with well‐swollen seeds, and (3) the behaviour of filaments, changing from recurved to straight posture, results in direct deposition of pollen grains on the stigmas. This result agrees with reports on three other species of sect. Asarum in Europe and North America. We suggest that species of sect. Asarum diverged from an autogamous ancestor.",

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doi = "10.1111/j.1442-1984.1987.tb00040.x",

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AU - Tanaka, Hajime

AU - Yahara, Tetsukazu

PY - 1987/1/1

Y1 - 1987/1/1

N2 - Abstract Observations in two populations of Asarum caulescens belonging to sect. Asarum indicate that inbreeding predominates becuase (1) no effective pollinator was observed, (2) bagged flowers set fruits with well‐swollen seeds, and (3) the behaviour of filaments, changing from recurved to straight posture, results in direct deposition of pollen grains on the stigmas. This result agrees with reports on three other species of sect. Asarum in Europe and North America. We suggest that species of sect. Asarum diverged from an autogamous ancestor.

AB - Abstract Observations in two populations of Asarum caulescens belonging to sect. Asarum indicate that inbreeding predominates becuase (1) no effective pollinator was observed, (2) bagged flowers set fruits with well‐swollen seeds, and (3) the behaviour of filaments, changing from recurved to straight posture, results in direct deposition of pollen grains on the stigmas. This result agrees with reports on three other species of sect. Asarum in Europe and North America. We suggest that species of sect. Asarum diverged from an autogamous ancestor.

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Self‐pollination of Asarum caulescens Maxim. (Aristolochiaceae) in Japan

Abstract

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