Difference between revisions of "Lactuca hirsuta"
Gen. N. Amer. Pl. 2: 124. 1818.
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Latest revision as of 20:12, 29 July 2020
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
![V19-352-distribution-map.gif](/w/images/5/5c/V19-352-distribution-map.gif)
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
"fine" is not a number.