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Doellingeria sericocarpoides
Small
Family:
Asteraceae
Southern White-Top,
more...
southern whitetop
[
Aster umbellatus var. latifolius
A. Gray]
Josh Teyler
FNA
Resources
John C. Semple, Jerry G. Chmielewski in Flora of North America (vol. 20)
Plants
50-150 cm (short- to long-rhizomatous).
Stems
usually 1, ascending to erect, striate, glab-rous 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.
2
n
= 18. Flowering fall. Bogs, wet thickets and woods, coastal plain; 10-200 m; Ala., Del., Fla., Ga., Md., N.J., N.C., Okla., S.C., Tex., Va.
Doellingeria sericocarpoides
is uncommon in eastern Texas and southeastern Oklahoma.
Josh Teyler
Josh Teyler
Josh Teyler
Josh Teyler
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