Flora of North America species comparison

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Flourensia cernua

American tarwort, tarbush
Habit Shrubs to 100(–200) cm.
Leaf

blades elliptic to ovate, 10–25(–40+) × 4–15(–20) mm (margins sometimes undulate).
Ray florets

0.
Disc florets

10–25(–40);

corollas 3–4 mm.
Cypselae

4–6.5 mm;

pappi 2.5–3.5 mm.
2n

= 36.

Flourensia cernua
Phenology Flowering mostly Sep–Nov.
Habitat Limestone or alkaline or clay soils, gravelly sites, desert scrub
Elevation 800–2000+ m [2600–6600+ ft]
Discussion

Plants of Flourensia cernua usually have a tarry odor and are often locally co-dominant with Larrea tridentata throughout much of the Chihuahuan Desert.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Distribution
from FNA
AZ; NM; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Flourensia
Sibling taxa
F. pringlei
Name authority de Candolle: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 593. (1836)
Source Flora of North America vol. 21, p. 118.
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, Polemoniaceae, and Onagraceae.)

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