Symphyotrichum lanceolatum var. interior

(Wiegand) G. L. Nesom

Phytologia 77: 284. 1995.

Endemic
Basionym: Aster interior Wiegand Rhodora 35: 35. 1933
Synonyms: Aster lanceolatus subsp. interior (Wiegand) A. G. Jones Aster simplex var. interior (Wiegand) Cronquist
Treatment appears in FNA Volume 20. Treatment on page 520. Mentioned on page 514, 515, 519.

Stems usually slender, sometimes stout, glabrous or hairy in lines. Leaf-blades linear-lanceolate to lanceolate, distal cauline margins entire. Heads congested on lateral branches of arrays, often developing on short peduncles along most of the branch, usually not subtended by large foliaceous bracts. Involucres 3–4 mm. Phyllaries: outer 1.8–3.4 × ca. 0.4, inner 3.5–3.7 × 0.4–0.5 mm, outer 1/3–2/3 length of inner. Ray-florets 22–24; corollas white, laminae 3.9–5.8 mm. Disc-florets 20–23; corollas 2.8–3.1 mm, limbs 1.6–1.8 mm, lobes 0.5–0.7 mm. Cypselae 0.6–0.8 mm; pappi 2.9–3.3 mm. 2n = 48, 64.


Phenology: Flowering Jul–Oct.
Habitat: Bottomlands, along streams
Elevation: 10–400 m

Distribution

V20-1158-distribution-map.gif

Ont., Que., Ark., Ill., Ind., Iowa, Kans., Ky., Mich., Mo., Nebr., N.Y., Ohio, Okla., Pa., Vt.

Discussion

Selected References

None.

Lower Taxa

None.

"/3lengthofinnerphyllaries" is not declared as a valid unit of measurement for this property."thin" is not a number.

scabrous +  and glabrous +
not tailed +, rounded +  and obtuse +
petiolate +  and subpetiolate +
distinct +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
subequal +
scarious +
5mm +  and 20mm +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Wiegand) G. L. Nesom +
cuneate +  and decurrent +
indurate +
Aster interior +
subsessile +, sessile +, petiolate +  and subpetiolate +
10 cm100 mm <br />0.1 m <br /> (14 cm140 mm <br />0.14 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
oblanceolate;linear +
reduced +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
10mm;20mm +
rugulose +  and muricate +
linear-oblanceolate +  and lanceolate +
barbellulate +  and barbellate +
sessile +  and petiolate +
not 2-lipped +  and actinomorphic +
at maturity , more or less ampliate , tubes usually shorter +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.31 cm3.1 mm <br />0.0031 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
tan +  and gray +
strigillose +  and glabrous +
compressed +  and obovoid +
fertile +  and bisexual +
fertile +  and bisexual +
Ont. +, Que. +, Ark. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Mich. +, Mo. +, Nebr. +, N.Y. +, Ohio +, Okla. +, Pa. +  and Vt. +
10–400 m +
strigillose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Bottomlands, along streams +
disciform +  and radiate +
heterogamous +  and homogamous +
each +  and sessile +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
campanulate;cylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
2 (?) +  and 5 (?) +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
0.5mm;1.3mm +
sessile +  and petiolate +
cauline +  and basal +
decurrent +
triangular +
petiolate +  and subpetiolate +
entire +, serrate +  and crenate-serrate +
10mm;80mm +
acute +  and obtuse or rounded +
5mm +  and 20mm +
2-carpellate +
white +  and sordid or tawny +
persistent +
25 +  and 40 +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering Jul–Oct. +
spreading +  and appressed +
dilated +, linear-lanceolate +  and linear +
less strongly unequal +  and subequal +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1mm;0.2mm +
branched +  and simple +
slender +
appendaged +  and truncate +
papillate +  and smooth +
Aster lanceolatus subsp. interior +  and Aster simplex var. interior +
Symphyotrichum lanceolatum var. interior +
Symphyotrichum lanceolatum +
variety +
funnelform-campanulate +  and cylindric +
ampliate +
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
30 cm300 mm <br />0.3 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
tree +, shrub +  and subshrub +
lanceolate +  and linear-lanceolate +