familyConvolvulaceae
genusCalystegia
speciesCalystegia spithamaea
subspeciesCalystegia spithamaea subsp. spithamaea
Calystegia spithamaea subsp. spithamaea
IllustratedEndemic
Treatment appears in FNA Volume 14.
Revision as of 13:15, 24 November 2024 by imported>Volume Importer
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.