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)
Distribution
from FNA
AZ; NM; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
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.)
Source FNA vol. 21, p. 118.
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)
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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