Plant Genera


Family Code: CONVOL
Genus Code: CUSCU
Genus CN: dodder
Genus Authority: L.
Genus Summary: A genus of about 100 species, parasitic, achlorophyllose herbs, nearly cosmopolitan. Variously treated as a monogeneric family, or as a component of the Convolvulaceae; Neyland (2001) and Stefanovi?, Krueger, & Olmstead (2002) provide molecular evidence for the treatment of Cuscuta as a derived member of Convolvulaceae. Hada? & Chrtek (1970) suggest that Cuscuta should be separated into 4 genera based on chromosome number, morphology, and distribution; if followed, all our native species would be in Grammica, with Cuscuta s.s. and Monogynella represented by a few introduced species.
Genus Identification: Identification notes: Corolla measurements are from the base to the sinuses of the corolla. The infrastaminal scales are transparent structures at the base of the stamens.
Genus References: Spaulding (2013)=U; Yuncker (1921); Yuncker (1965)=Z; Musselman (1986)=Y; Gandhi, Thomas, & Hatch (1987)=X; Costea, Nesom, & Stefanovi? (2006a, 2006b, 2006c)=V; Neyland (2001); Stefanovi?, Krueger, & Olmstead (2002). Key based on Yuncker (1965).
Last Updated: 2019-11-29
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