Flora of North America species comparison

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Verbesina virginica

frostweed, iceweed, Virginia crownbeard, white crownbeard
Habit Plants (50–)100–250+ cm (perennating bases ± erect, internodes winged, at least proximal).
Leaves

all or mostly alternate (proximal sometimes opposite);

blades lance-ovate or lance-elliptic to lance-linear, 5–12(–22+) × 1–6(–12+) cm, sometimes pinnately lobed, bases ± cuneate, ultimate margins usually coarsely toothed to subentire, sometimes sinuate, apices acute, faces ± scabrellous to strigillose.
Involucres

± obconic to turbinate, 3–5 mm diam.
Ray florets

(1–)2–3(–7);

laminae 3–4(–7+) mm.
Disc florets

8–12(–15);

corollas ochroleucous or white.
Phyllaries

8–12+ in 1–2 series, ± erect, spatulate to oblanceolate, 2.5–5(–7) mm.
Heads

(20–)60–100+ in corymbiform to paniculiform arrays.
Cypselae

dark brown to blackish, oblanceolate, 3.5–5+ mm, faces ± scabrellous;

pappi 1.5–3+ mm.
2n

= 32, 34.

Verbesina virginica
Phenology Flowering (Jul–)Sep–Oct(–Dec).
Habitat Bottomlands, flood plains, thickets, borders of woodlands, disturbed sites
Elevation 10–300 m (0–1000 ft)
Distribution
from FNA
AL; AR; DC; FL; GA; IL; KS; KY; LA; MD; MO; MS; NC; OH; OK; SC; TN; TX; VA; WV
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants of Verbesina virginica from near the Atlantic Coast with margins of some or most leaf blades sinuate to pinnately 3–5(–7+)-lobed have been called V. laciniata or V. virginica var. laciniata.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 108.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina
Sibling taxa
V. alternifolia, V. aristata, V. chapmanii, V. dissita, V. encelioides, V. helianthoides, V. heterophylla, V. lindheimeri, V. longifolia, V. microptera, V. nana, V. occidentalis, V. oreophila, V. rothrockii, V. walteri
Synonyms V. laciniata, V. virginica var. laciniata
Name authority Linnaeus: Sp. Pl. 2: 901. (1753)
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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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