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Journal Article

Patterns of Pollination in the Primitive Angiosperms

Leonard B. Thien
Biotropica
Vol. 12, No. 1 (Mar., 1980), pp. 1-13
DOI: 10.2307/2387768
Stable URL: http://www.jstor.org/stable/2387768
Page Count: 13

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Topics: Flowers, Plants, Angiosperms, Pollen, Insect pollination, Stamens, Pollination, Petals, Beetles, Species
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Patterns of Pollination in the Primitive Angiosperms
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Abstract

The primitive angiosperms in the South Pacific exhibit three modes of pollination. The flowers of Drimys are pollinated by a wide variety of Diptera. One species of thrips (Thysanoptera) pollinate the flowers of Belliolum. Coleoptera play an important role in the reproductive biology of Zygogynum (plus primitive moths) and Degeneria. The flowers of all genera examined are adapted for outcrossing. Coleoptera-pollinated flowers display the most intricate floral movements. It is suggested that Diptera as well as Coleoptera may have been the pollinators of the early angiosperms.

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