Cuscuta gronovii var. latiflora

Engelmann

Trans. Acad. Sci. St. Louis 1: 508. 1859.

WeedyEndemic
Basionym: Cuscuta saururi Engelmann Amer. J. Sci. Arts 43: 339, plate 6, figs. 17–21. 1842
Treatment appears in FNA Volume 14.
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Calyces equaling corolla tube length, lobes oblong to ovate, bases barely overlapping. Corollas: tube broadly campan­ulate, 1–1.5 mm, lobes 1/2 to equaling tube length. Capsules loosely surrounded by withered corolla.


Phenology: Flowering Jul–Oct.
Habitat: stream banks, mudflats, margins of wetlands, wet meadows, alluvial forests.
Elevation: 20–200 m.

Distribution

Ont., Que., Ark., Conn., D.C., Ill., Ind., Iowa, Ky., La., Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., Tenn., Tex., Vt., Va., W.Va.

Discussion

T. G. Yuncker (1932, 1965) indicated that var. latiflora has the same distribution as var. gronovii. Current herbarium data suggest that although the two varieties are sympatric over a significant portion of the flora area, var. latiflora has a narrower geographical distribution.

Selected References

None.

Lower Taxa

None.
Mihai Costea +  and Guy L. Nesom +
Engelmann +
Cuscuta saururi +
Ont. +, Que. +, Ark. +, Conn. +, D.C. +, Ill. +, Ind. +, Iowa +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, Tenn. +, Tex. +, Vt. +, Va. +  and W.Va. +
20–200 m. +
stream banks, mudflats, margins of wetlands, wet meadows, alluvial forests. +
Flowering Jul–Oct. +
Trans. Acad. Sci. St. Louis +
Weedy +  and Endemic +
Cuscuta gronovii var. latiflora +
Cuscuta gronovii +
variety +