Doellingeria sericocarpoides

Small

Bull. Torrey Bot. Club. 25: 620. 1898.

Common names: Southern tall flat-topped or southern whitetop aster
Endemic
Synonyms: Aster sericocarpoides (Small) K. Schumann Aster umbellatus var. brevisquamus Fernald Aster umbellatus var. latifolius A. Gray Doellingeria umbellata var. latifolia (A. Gray) House
Treatment appears in FNA Volume 20. Treatment on page 45. Mentioned on page 44.

Plants 50–150 cm (short to long-rhizomatous). Stems usually 1, ascending to erect, striate, glabrous proximal to heads. Cauline leaves: mid and distal crowded, blades lanceolate (proximal) to ovate (distal), 30–110 × 15–40 mm, reduced distally, stiff, bases cuneate, margins involute to weakly revolute, finely ciliate, apices acuminate, faces glabrous or sparsely hairy. Heads (8–) 30–130 (–200). Peduncles 1–10 mm, sparsely to moderately canescent; bracts linear-lanceolate to broadly lanceolate. Involucres 3.2–6 mm. Phyllaries in 3–4 series, midveins often swollen, translucent apically, apices broadly rounded, glabrate. Rays 2–7; laminae (6–) 8–12 (–14.5) × 1–3 mm. Disc-florets 4–13 (–20); corollas 4–7 mm, lobes 2–4.2 mm, 60–75% of limbs. Cypselae 1.5–3.7 mm, 6–8-ribbed, sparsely strigose; pappi: outer 0.4–1.1 mm, inner 4–7 mm. 2n = 18.


Phenology: Flowering fall.
Habitat: Bogs, wet thickets and woods, coastal plain
Elevation: 10–200 m

Distribution

V20-60-distribution-map.gif

Ala., Del., Fla., Ga., Md., N.J., N.C., Okla., S.C., Tex., Va.

Discussion

Doellingeria sericocarpoides is uncommon in eastern Texas and southeastern Oklahoma.

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.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
flat-topped +
John C. Semple +  and Jerry G. Chmielewski +
cuneate +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
lanceolate;ovate +
reduced +
15mm;40mm +
rugulose +  and muricate +
linear-lanceolate +  and broadly lanceolate +
white +  and tan +
Southern tall flat-topped or southern whitetop aster +
not 2-lipped +  and actinomorphic +
pale-yellow +  and white +
ampliate +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
compressed +, terete +  and narrowly obconic +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Del. +, Fla. +, Ga. +, Md. +, N.J. +, N.C. +, Okla. +, S.C. +, Tex. +  and Va. +
10–200 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Bogs, wet thickets and woods, coastal plain +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
cylindro-campanulate +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.45 cm14.5 mm <br />0.0145 m <br />) +
cauline +  and basal +
spreading;reflexed +
deltate +
involute to weakly +
2-carpellate +
persistent +
inner +  and outer +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering fall. +
lanceolate +  and deltate +
Bull. Torrey Bot. Club. +
bearing subulate enations +, hairy +  and bristly +
linear +  and subulate +
exalbuminous +
eglandular +  and simple +
ascending +  and erect +
appendaged +  and truncate +
papillate +  and smooth +
Aster sericocarpoides +, Aster umbellatus var. brevisquamus +, Aster umbellatus var. latifolius +  and Doellingeria umbellata var. latifolia +
Doellingeria sericocarpoides +
Doellingeria +
species +
40 cm400 mm <br />0.4 m <br /> (200 cm2,000 mm <br />2 m <br />) +
dark green +