Flora of North America species comparison

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Verbesina helianthoides

gravelweed, gravelweed crownbeard, yellow crownbeard
Habit Plants 60–120+ cm (perennating bases ± erect or horizontal rhizomes, internodes winged).
Leaves

all or mostly alternate (proximal sometimes opposite);

blades ± lance-ovate to lanceolate, 5–12+ × 2–5+ cm, bases ± cuneate, margins ± toothed, apices acute to attenuate, faces strigose to sericeous.
Involucres

± hemispheric, 10–15+ mm diam.
Ray florets

8–13+;

laminae 20–25(–30+) mm.
Disc florets

40–80+;

corollas yellow.
Phyllaries

16–21+ in 2–3 series, ± erect, lanceolate, 6–9+ mm.
Heads

2–5(–10+) in ± corymbiform arrays.
Cypselae

dark brown to black, oblanceolate to elliptic, 5 mm, faces strigillose to glabrate;

pappi 0.5–1.5 mm.
2n

= 34.

Verbesina helianthoides
Phenology Flowering May–Jul.
Habitat Moist places in sandy, pine woodlands, post-oak woodlands, disturbed places
Elevation 70–500 m (200–1600 ft)
Distribution
from FNA
AL; AR; GA; IA; IL; IN; KS; KY; LA; MO; MS; NC; OH; OK; TN; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Verbesina helianthoides may be no longer present in Georgia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 109.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina
Sibling taxa
V. alternifolia, V. aristata, V. chapmanii, V. dissita, V. encelioides, V. heterophylla, V. lindheimeri, V. longifolia, V. microptera, V. nana, V. occidentalis, V. oreophila, V. rothrockii, V. virginica, V. walteri
Name authority Michaux: Fl. Bor.-Amer. 2: 135. (1803)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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