Article
Reproductive versus floral isolation among morphologically similar Serapias L. species (Orchidaceae).
The Journal of heredity - 1 Jan 2000
Pellegrino G, Musacchio A, Noce M E, Palermo A M, Widmer A
Abstract excerpt
Flowers of the Mediterranean orchid genus Serapias L. form small, dark tubes that vary among taxa in diameter and depth. Visiting insects use the floral tube as shelter and act as pollinators if they touch the sticky viscidium at the rear of the tube and remove the pollinarium. It has been assumed that floral tube size and shape limit access to the flowers and thus may act as a barrier to gene flow between...
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