Contact Us Host an Event Volunteer Join

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:

Thamnosma montana

Thamnosma montana Torr. & Frém.

Desert Rue, Turpentinebroom

Rutaceae (Rue Family)



USDA Native Status: L48 (N)

Often leafless, densely branched, yellowish-green shrub; branches are pungent and dotted with glands.

Desert Rue belongs to the family Rutaceae, which includes lemons, oranges, and grapefruits. The fruit is a miniature of these citrus fruits and may smell overpowering at times.


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Leaf: Yellow-Green

Bloom Information

Bloom Color: Purple
Bloom Time: Mar , Apr


USA: AZ , CA , NV , UT
Native Distribution: S. Nevada, extreme sw. Utah, se. California, scattered parts of western half of Arizona.
Native Habitat: Slopes and mesas, usually rocky or gravelly areas; below 4500 (1370 m).

Growing Conditions

Water Use: Low
Light Requirement: Sun
CaCO3 Tolerance: High


Conspicuous Flowers: yes

Additional resources

USDA: Find Thamnosma montana in USDA Plants
FNA: Find Thamnosma montana in the Flora of North America (if available)
Google: Search Google for Thamnosma montana


Record Modified: 2007-01-01
Research By: TWC Staff

Go back