Sericocarpus tortifolius

(Michaux) Nees

Gen. Sp. Aster., 151. 1832.

Common names: Dixie white-topped aster
Endemic
Basionym: Aster tortifolius Michaux Fl. Bor.-Amer. 2: 109. 1803 Conyza bifoliatus Walter
Synonyms: Aster bifoliatus (Walter) H. E. Ahles Sericocarpus acutisquamus (Nash) Small Sericocarpus bifoliatus (Walter) Porter Sericocarpus collinsii Nuttall
Treatment appears in FNA Volume 20. Treatment on page 104. Mentioned on page 103.

Plants 33–117 cm. Stems erect, hairy. Leaves basal and proximalmost cauline withering by flowering; cauline sessile; blades obovate, 10–40 × 3–10 mm, margins entire, apices acuminate to slightly cuspidate, faces hairy, resinous. Heads 2–4 per branch, in corymbiform arrays. Peduncle bracts broadly lanceolate to narrowly ovate, hairy. Involucres 5–8 mm. Phyllaries in 4–5 series, outer 2–3 mm, first mid 3–4 mm, second mid 4–6 mm, puberulent. Ray-florets 2–5; corolla-tubes 3–4 mm, laminae 3–6 mm. Disc-florets 6–11; corolla-tubes 4–6 mm, lobes 1–2 mm. Ovaries fusiform-obconic, 1–3 mm, densely strigose; pappi: inner series 6–8 mm. 2n = 18.


Phenology: Flowering mid summer–early fall.
Habitat: Dry to moist clay, sandy and gravelly open soils in oak and pine barrens, oak scrub, pastures, roadsides, mostly coastal plain
Elevation: 0–200 m

Distribution

V20-201-distribution-map.gif

Ala., Fla., Ga., La., Miss., N.C., S.C.

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 tortifolius"
not tailed +, rounded +  and obtuse +
distinct +
acuminate;slightly cuspidate +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John C. Semple +  and Michelle R. Leonard +
(Michaux) Nees +
decurrent +
indurate +
Aster tortifolius +  and Conyza bifoliatus +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
obovate +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rugulose +  and muricate +
ovate +, obovate +  and linear +
Dixie white-topped aster +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
not 2-lipped +  and actinomorphic +
white +  and cream +
fusiform +  and obconic terete +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +  and S.C. +
0–200 m +
resinous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry to moist clay, sandy and gravelly open soils in oak and pine barrens, oak scrub, pastures, roadsides, mostly coastal plain +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
petiolate +  and sessile +
cauline +, proximalmost +  and basal +
erect;spreading +
triangular +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2-carpellate +
fusiform-obconic +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
white +  and tan or rust +
persistent +
Flowering mid summer–early fall. +
thumbnail--shaped +
Gen. Sp. Aster., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
appendaged +  and truncate +
papillate +  and smooth +
Aster bifoliatus +, Sericocarpus acutisquamus +, Sericocarpus bifoliatus +  and Sericocarpus collinsii +
Sericocarpus tortifolius +
Sericocarpus +
species +
15 cm150 mm <br />0.15 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
dark green +