Stems erect, narrowly winged on angles, 30–70 cm. Leaves petiolate; blade oblong-lanceolate to broadly lanceolate or ovate, 50–80 (–150) × 25–40 mm, base rounded to cuneate, margins coarsely serrate, apex acute-acuminate. Fruiting pedicels 5–14 (–30) mm, shorter than calyces. Calyces broadly cylindric, 12–18 mm, lobes deltate, 0.8–2.5 mm, apex obtuse-aristate, apiculate, or subulate, ciliate or glabrous. Corollas blue to light violet or pinkish, rarely white, tube 20–28 mm, throats closed, palate villous. Capsules ovate-oblong to ovoid, 8–11 mm. 2n = 22.

Phenology: Flowering Jun–Sep(–Nov).
Habitat: Floodplain forests, swamps, stream banks, marshy shores, ditches.
Elevation: 0–500 m.

Distribution

• Generated Map
• Legacy Map

Ont., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.