Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Verbesina rothrockii

Rothrock's crownbeard
Habit Plants 30–60+ cm (perennating bases ± erect, internodes not winged).
Leaves

all or mostly opposite (distal sometimes alternate);

blades ovate-deltate or rhombic to lance-elliptic, 3–5 × 1–3 cm, bases subtruncate to cuneate, margins coarsely toothed to subentire, apices obtuse to acute, faces ± hirtellous to scabrellous.
Involucres

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

8–13;

laminae 15–25+ mm.
Disc florets

60–100+;

corollas yellow.
Phyllaries

18–30+ in 3–4 series, ± erect, oblong to elliptic, 6–10+ mm.
Heads

borne singly.
Cypselae

dark brown, ± elliptic, 10 mm, faces glabrous;

pappi 0–0.5 mm.
2n

= 34.

Verbesina rothrockii
Phenology Flowering (May–)Aug–Sep.
Habitat Rocky slopes, igneous or limestone substrates
Elevation 1200–1800 m (3900–5900 ft)
Distribution
from FNA
AZ; NM; Mexico (Coahuila, Durango, Zacatecas)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 111.
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. virginica, V. walteri
Name authority B. L. Robinson & Greenman: Proc. Amer. Acad. Arts 34: 541. (1899)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(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.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers