Pollen morphology and mode of pollination among the amaranthaceae

Zandonella, P.; Lecocq, M.

Pollen et Spores 19(1): 119-142


ISSN/ISBN: 0375-9636
Accession: 006138599

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The pollen grains of several species belonging to different sections of the family Amaranthaceae [Deeringia amaranthoides, Celosia argentea, Amaranthus caudatus, A. retroflexus, A. speciosus, Acnida cannabina, Achyranthes aspera, Pupalia lappacea, Brayulinea densa, Froelichia floridana, Telanthera polygonoides, T. bettzichiana, Alternanthera sessilis, Gomphrena globosa, G. celosioides] are studied by scanning electron microscopy, most of them for the 1st time, and additional observations in light microscopy. These studies reveal the variety of pollen types. Morphological characteristics of pollen are often (but not always) in agreement with other floral characteristics in respect of anemogamous or entomogamous nature of the pollination. This information aids in the understanding of the phylogeny of Amaranthaceae.