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Pollen Morphology Of The New Species Mimulus Shevockii And A Possibly Related Species, M. Barbatus (Scrophulariaceae), Charles L. Argue
Pollen Morphology Of The New Species Mimulus Shevockii And A Possibly Related Species, M. Barbatus (Scrophulariaceae), Charles L. Argue
Journal of the Minnesota Academy of Science
The pollen grains of Mimulus shevockii and M barbatus have three long, equally spaced, meridionally oriented apertures with transversely ruptured membranes, and the pollen walls are microreticulate with smooth muri. The pollen evidence (pollen size and shape, rupturing pattern and ornamentation of the aperture membrane, size and spacing of lumina, and ornamentation of muri) is applied to comparisons between the pollen of M shevockii and that of other species in section Paradanthus. These data are consistent with a proposed relationship between M shevockii and M barbatus of the M rubellus/M palmeri group.