Calystegia sepium subsp. angulata

Brummitt

Kew Bull. 35: 328. 1980.

WeedyEndemic
Synonyms: Calystegia sepium var. angulata (Brummitt) N. H. Holmgren C. sepium var. repens (Linnaeus) A. Gray Convolvulus repens Linnaeus C. sepium var. repens (Linnaeus) A. Gray
Treatment appears in FNA Volume 14.

Herbage glabrous. Leaf blades broadly triangular, basal lobes spreading, ± 2-pointed, basal sinus rounded. Bracts (12–)14–26(–32) × (6–)10–18 mm, proximally keeled. Flowers: corolla white, limb margin rarely pink-tinged, (28–)48–50(–80) mm; stamens (19–)23–30 mm. 2n = 22.


Phenology: Flowering Jun–Sep.
Habitat: Disturbed sites, edges of marshes, thickets, and woods, hedges, roadsides, stream banks, tidal swamps.
Elevation: 70–2400 m.

Distribution

Alta., B.C., Man., N.B., Ont., Que., Sask., Ariz., Colo., Conn., D.C., Idaho, Ill., Ind., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.Mex., N.Y., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Utah, Vt., Wash., W.Va., Wis., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
Richard K. Brummitt† +
Brummitt +
Convolvulus sepium +
Alta. +, B.C. +, Man. +, N.B. +, Ont. +, Que. +, Sask. +, Ariz. +, Colo. +, Conn. +, D.C. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Utah +, Vt. +, Wash. +, W.Va. +, Wis. +  and Wyo. +
70–2400 m. +
Disturbed sites, edges of marshes, thickets, and woods, hedges, roadsides, stream banks, tidal swamps. +
Flowering Jun–Sep. +
Weedy +  and Endemic +
Calystegia sepium var. angulata +, C. sepium var. repens +  and Convolvulus repens +
Calystegia sepium subsp. angulata +
Calystegia sepium +
subspecies +