Biennials, 15–80 (–120) cm. Leaves on proximal 1/3–2/3 of each stem; blades of undivided cauline leaves ± ovate, margins denticulate (sometimes ± ciliate), midribs usually piloso-setose. Heads in corymbiform to paniculiform arrays. Involucres 12–18+ mm. Phyllaries usually reflexed in fruit. Florets 12–24+; corollas usually yellow, sometimes drying bluish, usually deliquescent. Cypselae: bodies brown, ± flattened, elliptic, 4.5–5+ mm, beaks ± filiform, 2.5–3.5 mm, faces 1 (–3) -nerved; pappi white, 6.5–8 (–10+) mm. 2n = 34.

Phenology: Flowering Jul–Aug(–Sep).
Habitat: Openings in woods
Elevation: 10–100 m

Distribution

• Generated Map
• Legacy Map

N.S., Ont., P.E.I., Que., Ala., Ark., Conn., D.C., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va.

Discussion

The type of Lactuca hirsuta may be conspecific with that of L. graminifolia.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.