Boltonia asteroides var. recognita
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
Revision as of 20:05, 5 November 2020 by imported>Volume Importer
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
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.