Flora of North America species comparison

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Verbesina longifolia

long-leaf crownbeard
Habit Plants 60–150+ cm (perennating bases ± erect, internodes not winged).
Leaves

all or mostly opposite (distal sometimes alternate);

blades ± lance-linear (lengths 10–15 times widths), 9–12(–20+) × 0.6–1.2(–1.5+) cm, bases rounded, margins obscurely toothed to subentire, apices ± attenuate, faces ± scabrellous.
Involucres

± hemispheric to saucerlike, 11–15+ mm diam.
Ray florets

12–13;

laminae 15–25+ mm.
Disc florets

60–100+;

corollas yellow.
Phyllaries

18–24+ in 2–3 series, ± erect to spreading, linear to lance-linear, 5–15+ mm.
Heads

borne singly or 3–5+ in loose, corymbiform arrays.
Cypselae

dark brown, oblanceolate to elliptic, 7 mm, faces glabrous;

pappi 0–0.5 mm.
2n

= 34.

Verbesina longifolia
Phenology Flowering (Jul–)Sep–Oct.
Habitat Rocky slopes
Elevation 1500–2400 m (4900–7900 ft)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Durango)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 110.
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. microptera, V. nana, V. occidentalis, V. oreophila, V. rothrockii, V. virginica, V. walteri
Synonyms Actinomeris longifolia
Name authority (A. Gray) A. Gray: Proc. Amer. Acad. Arts 19: 12. (1883)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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