Plants 40–120 cm (crowns short, woody). Stems 1, ascending to erect, slightly to strongly flexuous, striate, glabrous. Cauline leaves: mid and distal not crowded, blades broadly lanceolate to oblanceolate, 50–130 × 15–45 mm, reduced and narrower distally, bases cuneate, margins flat to ± involute, finely ciliate, apices acuminate, faces glabrous or sparsely hairy. Heads (1–) 3–33 (–78). Peduncles 1–10 mm (leafless or nearly so), sparsely to moderately canescent; bracts linear-lanceolate to broadly lanceolate. Involucres 3.8–6.8 mm. Phyllaries in 4–5 series, midveins usually swollen and translucent, apices narrowly rounded, glabrate. Rays (3–) 4–8 (–11); laminae 6–12 (–14.5) × 1–3.3 mm. Disc-florets 4–13 (–20); corollas 4–7 mm, lobes 2.5–3.5 mm, 50–75% of limbs. Cypselae 1.8–3.8 mm, 6–10-ribbed, glabrous, rarely sparsely strigose, sometimes sparsely glandular; pappi: outer 0.5–1 mm, inner 3.9–5 mm. 2n = 18.

Phenology: Flowering mid summer–early fall.
Habitat: Rich loam and dry rocky soils, deciduous woods, mountains and adjacent plateaus
Elevation: 10–100 m

Distribution

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Ala., Conn., Del., Fla., Ga., Ky., Md., Mass., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va.

Discussion

Doellingeria infirma is found in the Appalachian Mountains, the Piedmont and adjacent plateaus, to northern Florida.

Selected References

None.

Lower Taxa

None.

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