Boltonia asteroides var. recognita

(Fernald & Griscom) Cronquist

Bull. Torrey Bot. Club 74: 149. 1947.

Endemic
Basionym: Boltonia latisquama var. recognita Fernald & Griscom Rhodora 42: 491, plate 646. 1940
Synonyms: Boltonia latisquama var. microcephala Fernald & Griscom Boltonia latisquama var. occidentalis A. Gray Boltonia recognita
Treatment appears in FNA Volume 20. Treatment on page 356. Mentioned on page 355.
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Heads 15–60(–80); bracts linear-oblanceolate to narrowly oblanceolate or elliptic, 20–120 × 3–18 mm. Involucres 3–5 × 6–9 mm. Phyllaries oblanceolate to linear-oblanceolate, subequal, membranous margins ± narrow, 1–2.5(–3) mm wide, apices cuspidate; outer 1.5–3 × 0.4–1.5 mm, inner 2.1–4 × 0.5–1.5 mm. Cypselae obovoid, winged; pappus awns 0.6–1.4 mm, lengths 2/3+ cypselae. 2n = 36.


Phenology: Flowering Aug–Sep.
Habitat: Wet prairies, riverbanks, sloughs
Elevation: 10–500 m

Distribution

V20-822-distribution-map.gif

Man., Sask., Ark., Conn., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Mo., Nebr., N.J., N.Y., N.Dak., Ohio, Okla., Oreg., R.I., S.Dak., Tenn., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
Vesna Karaman-Castro +  and Lowell E. Urbatsch +
(Fernald & Griscom) Cronquist +
Boltonia latisquama var. recognita +
Man. +, Sask. +, Ark. +, Conn. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Mass. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, R.I. +, S.Dak. +, Tenn. +  and Wis. +
10–500 m +
Wet prairies, riverbanks, sloughs +
Flowering Aug–Sep. +
Bull. Torrey Bot. Club +
Boltonia latisquama var. microcephala +, Boltonia latisquama var. occidentalis +  and Boltonia recognita +
Boltonia asteroides var. recognita +
Boltonia asteroides +
variety +