Abstract

Seed morphology was studied in 10 species belonging to three subgenera of Nymphaea occurring in Mexico: subgenus Brachyceras ( N. ampla, N. elegans, N. gracilis, N. pulchella); subgenus Hydrocallis ( N. amazonum, N. conardii, N. jamesoniana, N. novogranatensis); and subgenus Nymphaea ( N. mexicana, N. odorata). Phenetic relationships of Mexican species of Nymphaea were studied by cluster analysis (UPGMA). Among subgenera, the seeds showed morphological variation in shape, color, size, ornamentation of sclereids, and trichomes. A cluster analysis distinguished the three subgenera of Nymphaea in Mexico.

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