Original Research

Nocturnal petal movements in the Asteraceae

C. H. Stirton
Bothalia | Vol 14, No 3/4 | a1277 | DOI: https://doi.org/10.4102/abc.v14i3/4.1277 | © 1983 C. H. Stirton | This work is licensed under CC Attribution 4.0
Submitted: 06 November 1983 | Published: 06 November 1983

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C. H. Stirton, Botanical Research Institute, Department of Agriculture, United Kingdom

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Nocturnal petal movements were recorded from 48 genera and 106 species growing in cultivation at the Royal Botanic Gardens, Kew and in the wild in Canada, Great Britain, France, Italy, Greece, Canary Islands and South Africa. Seven different night positions of petals, as distinct from day positions, are recognized and discussed.


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