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Revista Chapingo serie ciencias forestales y del ambiente
versão On-line ISSN 2007-4018versão impressa ISSN 2007-3828
Resumo
BALDO-ROMERO, María Á. et al. Morphometric markers for gender identification in Zamia furfuracea L. f. (Zamiaceae). Rev. Chapingo ser. cienc. for. ambient [online]. 2013, vol.19, n.3, pp.425-434. ISSN 2007-4018. https://doi.org/10.5154/r.rchscfa.2013.03.010.
Zamia furfuracea L. f. is endemic cycad species from Veracruz, Mexico. The species is dioecious cycad, which is endangered. There is no report about the existence of a sexual dimorphism in this species, so it is not possible to perform adequate gender identification in early stages or when there is no strobili. A total of nine morphological variables were evaluated in 31 male and 26 female plants of a natural population of Veracruz to determine differences related to the gender of Z. furfuracea. Number of pairs of leaflets, leaf width, average width of the leaflet and diameter of the petiole were significantly different between genders (P = 0.043, P = 0.032, P = 0.041 and P = 0.002, respectively). These characteristics may form morphometric markers to determine with greater certainty the gender ratio in this species.
Palavras-chave : Cycad species; dioecism; sexual dimorphism; endangered.