Cuscuta gronovii
Nomenclature
Cuscuta gronovii Willdenow ex J. A. Schultes, Syst. Veg. (ed. 16) 6:205. 1820.
Cuscuta vulgivaga Engelm., Amer. J. Sci. Arts 43: 338. 1842.
Cuscuta gronovii Willd. ex Roem. & Schult. var. vulgivaga (Engelm.) Engelm., Trans. Acad. Sci. St. Louis 1: 508. 1859.
Cuscuta vulgivaga Engelm. var. laxiflora Engelm., Amer. J. Sci. Arts 43: 338. 1842.
Cuscuta vulgivaga Engelm. var. glomerata Engelm., Amer. J. Sci. Arts 43: 338. 1842.
Cuscuta vulgivaga Engelm. var. tetramera Engelm., Amer. J. Sci. Arts 43: 338. 1842.
Cuscuta saururi Engelm., Amer. J. Sci. Arts 43: 339. 1842.
Cuscuta gronovii Willd. ex Roem. & Schult. var. saururi (Engelm.) MacMill., Metasp. Minnesota Valley 430. 1892.
Cuscuta calyptrata (Engelm.) Small, Fl. S.E. U.S. 969. 1903.
Description
Costea, M. 2007-onwards. Digital Atlas of Cuscuta (Convolvulaceae). Wilfrid Laurier University Herbarium, Ontario, Canada. Flower morphology: var. gronovii; var. latiflora; pollen; living plants; pollen.
Yuncker, T.G. 1932. The genus Cuscuta. Mem. Torrey Bot. Club 18: 113–331.
Biogeography, Ecology and Natural History
North America: most of Canada and U.S.A.; West Indies; introduced to Europe.
Hosts: numerous
species from hundreds of genera of herbaceous and wood plants in various
families, including Acanthaceae, Anacardiaceae, Apiaceae, Asteraceae,
Bignoniaceae, Brassicaceae, Caprifoliaceae, Commelinaceae, Convolvulaceae,
Cornaceae, Balsaminaceae, Betulaceae, Euphorbiaceae, Fabaceae, Lamiaceae,
Polygonaceae, Primulaceae, Rosaceae, Rubiaceae, Solanaceae, Urticaceae,
Verbenaceae, Vitaceae, and others.