Amplified fragment length polymorphism analysis reveals three distinct taxa in Carex digitalis sect. Careyanae (Cyperaceae)

Author:

Ford Bruce A.12,Naczi Robert F.C.12,Ghazvini Habibollah12,Iranpour Mahmood12

Affiliation:

1. Department of Botany, University of Manitoba, 505 Buller Building, Winnipeg, MB R3T 2N2, Canada.

2. Claude E. Phillips Herbarium, Department of Agriculture and Natural Resources, Delaware State University, Dover, DE 19901-2277, USA.

Abstract

Unweighted pair-group (UPGMA) cluster, neighbor-joining (NJ), and parsimony analyses using amplified fragment length polymorphism (AFLP) data revealed the presence of three taxa within Carex digitalis Willd. (var. digitalis , var. floridana , var. macropoda ). Even when taxa occur syntopically, genetic distinctiveness is maintained (Hertford Co., North Carolina populations of var. macropoda and var. floridana). Clades or clusters corresponding with vars. digitalis and floridana were well supported in all analyses. However, the var. macropoda clade was poorly supported on most trees. Despite our inability to fully resolve taxon relationships, AFLP data substantiate ongoing morphological and phytogeographic studies that show the presence of additional species diversity within sect. Careyanae and the eastern North American Carex flora.

Publisher

Canadian Science Publishing

Subject

Plant Science

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