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.

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.
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Vesna Karaman-Castro +  and Lowell E. Urbatsch +
(Fernald & Griscom) Cronquist +
7 +  and 12 +
not decurrent +
Boltonia latisquama var. recognita +
subulate;lanceolate or oblanceolate +
rugulose +  and muricate +
1.2 cm12 mm <br />0.012 m <br /> (6.2 cm62 mm <br />0.062 m <br />) +
2 cm20 mm <br />0.02 m <br /> (12 cm120 mm <br />0.12 m <br />) +
linear-oblanceolate +  and narrowly oblanceolate or elliptic +
0.3 cm3 mm <br />0.003 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
spreading;ascending +
barbellulate +  and barbellate +
2 cm20 mm <br />0.02 m <br /> (22 cm220 mm <br />0.22 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not 2-lipped +  and actinomorphic +
white +  and lilac +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
compressed;obovoid;cuneate or obcordiform +
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 +
puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Wet prairies, riverbanks, sloughs +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
cauline +  and basal +
triangular +
not +  and winged +
entire +  and serrulate +
1mm +  and 2.5mm +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
2-carpellate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Flowering Aug–Sep. +
oblanceolate +  and linear-oblanceolate +
Bull. Torrey Bot. Club +
triquetrous +
bearing subulate enations +, hairy +  and bristly +
conic;hemispheric +
adaxial +  and abaxial +
1 +  and 2 +
exalbuminous +
appendaged +  and truncate +
papillate +  and smooth +
Boltonia latisquama var. microcephala +, Boltonia latisquama var. occidentalis +  and Boltonia recognita +
Boltonia asteroides var. recognita +
Boltonia asteroides +
variety +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
30 cm300 mm <br />0.3 m <br /> (200 cm2,000 mm <br />2 m <br />) +
0.1mm +  and 0.5mm +