0290919670
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  • AID0290919670
  • DOI10.1093/oxfordjournals.aob.a087102

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Article

Pollen Presentation on Petal Combs in the Geof lorous Heath Acrotriche serrulata (Epacridaceae)

Annals of Botany
527
Annals of Botany
Журнал с антэкологическими публикациями.
Oxford University Press · office@annbot.com

, 1986. V. 57. No. 2. P. 155–164
The urn-shaped flowers of Acrotriche serrulata R.Br. are unusual in two features: the mode of pollen presentation, and the corolla tube which is filled with nectar at maturity, submerging the style and stigma. At the end of the corolla tube, the petal lobes bear conspicuous subterminal hairs that usually contain clumps of pollen embedded in viscous pollencoat materials. Developmental studies show that at anthesis, pollen from the dehisced anthers adheres to the petal hairs. When the corolla lobes reflex, the pollen is presented on the newly exposed hairs. The mature corolla tube either abscises or may be removed by nectar-seeking non-flying marsupials, putative agents of pollination.

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