Sericocarpus linifolius

(Linnaeus) Britton

Prelim. Cat., 26. 1888.

Common names: Narrow-leaf white-topped aster
Endemic
Basionym: Conyza linifolia Linnaeus Sp. Pl. 2: 861. 1753,
Synonyms: A. solidagineus Michaux Sericocarpus solidagineus (Michaux) Nees
Treatment appears in FNA Volume 20. Treatment on page 103. Mentioned on page 101.
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Plants 22–75 cm. Stems erect (stout, branched), glabrate. Leaves: basal and proximalmost cauline withering by flowering; cauline sessile; blades linear, 10–80 × 1–10 mm, margins entire, apices acuminate, faces glabrate. Heads 2–4 per branch, in broadly corymbiform arrays. Peduncle bracts broadly lanceolate to narrowly ovate, glabrate. Involucres 4–6 mm. Phyllaries in 3–4 series, outer 2–4 mm, mid 3–4 mm, glabrate. Ray-florets 2–6; tubes 2–4 mm, laminae 4–11 mm. Disc-florets 5–15; corollas 2–4 mm, lobes 1–2 mm. Ovaries obconic, 0.8–1.3 mm, densely strigose; pappi: inner series 3–6 mm. 2n = 18.


Phenology: Flowering mid summer–early fall.
Habitat: Dry to moist sandy, clay, and gravelly soils of open deciduous and pine woods, oak and pine barrens, roadsides, fields
Elevation: 0–900 m

Distribution

V20-199-distribution-map.gif

Ala., Conn., Del., D.C., Ga., Ind., Ky., La., Md., Mass., Miss., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

... more about "Sericocarpus linifolius"
not tailed +, rounded +  and obtuse +
distinct +
acuminate +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John C. Semple +  and Michelle R. Leonard +
(Linnaeus) Britton +
decurrent +
indurate +
Conyza linifolia +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rugulose +  and muricate +
ovate +, obovate +  and linear +
Narrow-leaf white-topped aster +
not 2-lipped +  and actinomorphic +
white +  and cream +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
fusiform +  and obconic terete +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Conn. +, Del. +, D.C. +, Ga. +, Ind. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–900 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry to moist sandy, clay, and gravelly soils of open deciduous and pine woods, oak and pine barrens, roadsides, fields +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
triangular +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
2-carpellate +
obconic +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
white +  and tan or rust +
persistent +
Flowering mid summer–early fall. +
thumbnail--shaped +
Prelim. Cat., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
appendaged +  and truncate +
papillate +  and smooth +
A. solidagineus +  and Sericocarpus solidagineus +
Sericocarpus linifolius +
Sericocarpus +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
15 cm150 mm <br />0.15 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
dark green +