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

Prenanthella exigua

brightwhite, desert prenanthella, thorny skeleton plant
Leaves

1–3 cm, reduced distally to bracts 0.5–5 mm.
Corollas

1.5–2 mm.
Heads

10–150+.
Cypselae

2.5–3.5 mm;

pappi: longest bristles 2–3 mm.
Calyculus

bractlets 0.5–1+ mm.
Principal

phyllaries 3–5 mm after flowering.
2n

= 14.

Prenanthella exigua
Phenology Flowering Mar–Jun.
Habitat Sandy, gravelly, or clay soils, desert washes and open slopes to sagebrush-juniper steppes
Elevation 20–1900 m (100–6200 ft)
Distribution
from FNA
AZ; CA; CO; NV; OR; TX; UT; Mexico (Baja California, Sonora)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 360.
Parent taxa Asteraceae > tribe Cichorieae > Prenanthella
Synonyms Prenanthes exigua, Lygodesmia exigua
Name authority (A. Gray) Rydberg: Bull. Torrey Bot. Club 33: 161. (1906)
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, OregonFlora

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