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Article

Morphology of pollen and orbicules in some Dioscorea species and its systematic implications

Peter Schols, Auteur ; CAROL A. FURNESS, Auteur ; Paul Wilkin, Auteur ; Suzy Huysmans, Auteur ; ERIK SMETS, Auteur

Dans Botanical Journal of the Linnean Society (136(3) 2001-07-01)

Pollen and orbicule morphology of 35 Dioscorea L. species is described based on observations with light microscopy, and scanning and transmission electron microscopy. Pollen and orbicule characters are critically evaluated and discussed in the c[...]

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Article

Phylogenetics of Dioscoreales based on combined analyses of morphological and molecular data

Lizabeth R. Caddick, Auteur ; Paula J. Rudall, Auteur ; Paul Wilkin, Auteur ; Terry A. J. Hedderson, Auteur ; Mark W. Chase, Auteur

Dans Botanical Journal of the Linnean Society (138(2) 2002-02-01)

Relationships of Dioscoreales are examined by combined analysis of three molecular data sets (plastid rbcL, atpB and nuclear 18S rDNA genes) and a morphological data set. The combined analysis corroborates a narrow circumscription of Dioscoreale[...]

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