High-speed pollen release in the white mulberry tree, Morus alba L

Taylor, Philip E., Card, Gwyneth, House, James, Dickinson, Michael H. and Flagan, Richard C. 2006, High-speed pollen release in the white mulberry tree, Morus alba L, Sexual Plant Reproduction, vol. 19, no. 1, pp. 19-24, doi: 10.1007/s00497-005-0018-9.

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Title High-speed pollen release in the white mulberry tree, Morus alba L
Formatted title High-speed pollen release in the white mulberry tree, Morus alba L
Author(s) Taylor, Philip E.ORCID iD for Taylor, Philip E. orcid.org/0000-0002-4204-1893
Card, Gwyneth
House, James
Dickinson, Michael H.
Flagan, Richard C.
Journal name Sexual Plant Reproduction
Volume number 19
Issue number 1
Start page 19
End page 24
Publisher Springer
Place of publication Heidelberg , Germany
Publication date 2006
ISSN 0934-0882
Summary Anemophilous plants described as catapulting pollen explosively into the air have rarely attracted detailed examination. We investigated floral anthesis in a male mulberry tree with high-speed video and a force probe. The stamen was inflexed within the floral bud. Exposure to dry air initially resulted in a gradual movement of the stamen. This caused fine threads to tear at the stomium, ensuring dehiscence of the anther, and subsequently enabled the anther to slip off a restraining pistillode. The sudden release of stored elastic energy in the spring-like filament drove the stamen to straighten in less than 25 μs, and reflex the petals to velocities in excess of half the speed of sound. This is the fastest motion yet observed in biology, and approaches the theoretical physical limits for movements in plants.
Language eng
DOI 10.1007/s00497-005-0018-9
Field of Research 059999 Environmental Sciences not elsewhere classified
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2006, Springer-Verlag
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039866

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