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1 October 2009 Pollen Development and Morphology in four Species of Pterocactus (Cactaceae)
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Abstract

We report a detailed study of the development and morphology of pollen in four species of the genus Pterocactus (Cactaceae), carried out by using LM and SEM. The anther is tetrasporangiate, its wall consists of epidermis, endothecium, one middle layer and a binucleate secretory tapetum. Microspore tetrads are tetrahedrical and pollen grains are shed at bicellular stage. Pollen grains are pantoporate, with a perforate tectum and supratectate spinules.

© Finnish Zoological and Botanical Publishing Board 2009
Marina M. Gotelli, Agustina Scambato, Beatriz Galati, and Roberto Kiesling "Pollen Development and Morphology in four Species of Pterocactus (Cactaceae)," Annales Botanici Fennici 46(5), 409-415, (1 October 2009). https://doi.org/10.5735/085.046.0505
Received: 10 June 2008; Accepted: 1 August 2008; Published: 1 October 2009
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