familyConvolvulaceae
genusCalystegia
speciesCalystegia sepium
subspeciesCalystegia sepium subsp. americana
Calystegia sepium subsp. americana
Ann. Missouri Bot. Gard. 52: 216. 1965.
Weedy
Basionym: Convolvulus sepium var. americanus Sims Bot. Mag. 19: plate 732. 1804
Synonyms: C. americanus (Sims) J. W. Loudon
Treatment appears in FNA Volume 14.
Herbage usually pubescent to tomentose, sometimes glabrate or glabrous. Leaf blades ovate, basal lobes usually rounded or 1-pointed and not spreading, sometimes slightly spreading and 2-pointed, basal sinus acute. Bracts distinct from sepals, 16–25 × 10–20 mm, proximally flat or keeled, apex obtuse to rounded. Flowers: corolla pink, 45–70 mm; stamens 24–32 mm.
Phenology: Flowering Jul–Oct.
Habitat: Disturbed sites, grassy banks, rocky shores, salt marshes.
Distribution
St. Pierre and Miquelon, N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Conn., Del., Ill., Ind., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., Wis., South America (Argentina, Uruguay), s Africa (Cape Peninsula, extinct?), Atlantic Islands (Azores, Tristan da Cunha).
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Calystegia sepium subsp. americana"
St. Pierre and Miquelon +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Conn. +, Del. +, Ill. +, Ind. +, Maine +, Md. +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +, Wis. +, South America (Argentina +, Uruguay) +, s Africa (Cape Peninsula +, extinct?) +, Atlantic Islands (Azores + and Tristan da Cunha). +
Ann. Missouri Bot. Gard. +
1965 +
Weedy +
Calystegia sepium subsp. americana +
Calystegia sepium +
subspecies +