Washington Flora Checklist

A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum

Checklist » Convolvulaceae » Convolvulaceae

Convolvulaceae [HC, HC2]

Dodder Family, Morning-Glory Family

Origin: Native

Herbarium search: CPNWH

Notes: Cusctaceae is a monophyletic clade within Convolvulaceae, and for this reason has been subsumed within the latter family.

There is no consensus among regional floristic resources on the treatment of Calystegia and Convolvulus as distinct genera. Morphological differences distinguishing the genera have included stigmatic lobe shape (linear and acute-tipped in Convolvulus; oblong and blunt-tipped, flat in Calystegia) and number of capsular locules (one in Calystegia, two in Convolvulus). Recent molecular studies indicate that Calystegia is nested within Convolvulus (Stefanovic, Krueger, and Olmstead, 2002). Recognition of Calystegia at the rank of genus makes Convolvulus paraphyletic, a situation that is avoided here.

References:

» Stefanović, S., D.F. Austin and R.G. Olmstead. 2003. Classification of Convolvulaceae: A Phylogenetic Approach. Systematic Botany 28(4): 791-806.

» Stefanović, S., L. Krueger, and R. G. Olmstead. 2002. Monophyly of the Convolvulaceae and circumscription of their major lineages based on DNA sequences of multiple chloroplast loci. American Journal of Botany 89:1510–1522.

Last updated 2/8/2010 by David Giblin.

Synonyms & Misapplied Names:

Cuscutaceae [HC]