Leaflet blades: abaxial surface sparsely pubescent or glabrate, macrotrichomes inconspicuous (0.3–1 mm), scattered and con­fined to major veins, adaxial surface glabrate, trichomes scat­tered, inconspicuous, microun­cinate, macrotrichomes absent. Calyces glabrate, macrotri­chomes sparse, scattered. 2n = 16.

Phenology: Flowering (chasmogamous) May–Jul(–Sep), (cleis­togamous) mid Jul–Nov; fruiting (chasmogamous) (May–)Jun–Nov, (cleistogamous) mid Jul–Nov.
Habitat: Dry sandy soils, gravelly or rocky soils, open areas of pine, pine-oak, oak-hickory associations, bluff outcrops.
Elevation: 0–1900 m.

Distribution

• Generated Map
• Legacy Map

Ala., Ariz., Ark., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va., Mexico (Nuevo León).

Discussion

Reports of var. mariana from Iowa, Minnesota, Nebraska, and Wisconsin are based on misidentifi­cations.

Selected References

None.

Lower Taxa

None.