1999
DOI: 10.1080/0028825x.1999.9512663
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Floral biology and breeding system of pohutukawa (Metrosideros excelsa, Myrtaceae)

Abstract: The floral biology and breeding system of pohutukawa (Metrosideros excelsa, Myrtaceae), a mass-flowering tree of northern New Zealand coastlines, were examined. Trees flower over a peak period of 2 weeks, and compound inflorescences contain an average of 14.3 showy, hermaphrodite, red brush flowers that remain open for 7 days. A brief female flower stage (mean duration 1.3 d) is followed by the main hermaphrodite phase that lasts for 4 days. Neither dichogamy nor herkogamy is important in preventing pollen and… Show more

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Cited by 25 publications
(32 citation statements)
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“…1a). Inflorescences are composed of broad compound cymes terminating in groups of three flowers (Dawson 1968); a single inflorescence is composed of an average of 14.3 flowers (Schmidt-Adam et al 1999). Pedicels are stout and tomentose (Allan 1961).…”
Section: Morphological Descriptionmentioning
confidence: 99%
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“…1a). Inflorescences are composed of broad compound cymes terminating in groups of three flowers (Dawson 1968); a single inflorescence is composed of an average of 14.3 flowers (Schmidt-Adam et al 1999). Pedicels are stout and tomentose (Allan 1961).…”
Section: Morphological Descriptionmentioning
confidence: 99%
“…In earlier phases, individual flowers produce an average of 50 µL nectar d −1 . Pollen has high levels of viability (93.6%), however, pollen tube growth is slow compared with other angiosperms; this, coupled with relatively long styles, results in a 10-15 d delay before the pollen reaches the ovary (Schmidt-Adam et al 1999).…”
Section: Reproductive Biologymentioning
confidence: 99%
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