Calystegia spithamaea subsp. spithamaea

IllustratedEndemic
Treatment appears in FNA Volume 14.

Plants 10–30(–50) cm; habit erect, ± lax. Herbage glabrate to pubescent. Leaf blades ellip­tic to broadly elliptic, ultimately ± flat, base cuneate, rounded, or lobed, lobes to 4(–6) mm. Flow­ers: corolla 41–63(–67) mm; stamens (21–)24–32(–34) mm. 2n = 22.


Phenology: Flowering May–Aug.
Habitat: Open grasslands, sandy and stony sites, woods.

Distribution

Conn., Del., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
Richard K. Brummitt† +
(Linnaeus) Pursh +
Convolvulus spithamaeus +
Conn. +, Del. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Tenn. +, Vt. +, Va. +  and Wis. +
Open grasslands, sandy and stony sites, woods. +
Flowering May–Aug. +
Fl. Amer. Sept. +
Illustrated +  and Endemic +
Calystegia spithamaea subsp. spithamaea +
Calystegia spithamaea +
subspecies +