Picrothamnus desertorum


Trans. Amer. Philos. Soc., n. s. 7: 417. 1841

Synonyms: Artemisia spinescens D. C. Eaton
Treatment appears in FNA Volume 19. Treatment on page 499.
Stems diffusely branched from bases, some laterals ending in spinelike tips. Leaf blades or lobes orbiculate to linear, 1–5(–20) × 1–5(–20) mm. Phyllaries whitish green. Cypselae 1–1.5 mm. 2n = 18, 36.

Phenology: Flowering Apr–Jun.
Habitat: Arid slopes and valleys, sands or clays, sometimes saline soils
Elevation: 1800–2200 m



Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wyo.


Budsage provides nutritious forage for wildlife and domestic sheep in winter; it can be poisonous or fatal to calves and lambs, if consumed in great quantity during spring months.

Selected References


Lower Taxa


AuthorLeila M. Shultz +
AuthorityNuttall +
DistributionAriz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah + and Wyo. +
Elevation1800–2200 m +
HabitatArid slopes and valleys, sands or clays, sometimes saline soils +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorJohn Myers +
PhenologyFlowering Apr–Jun. +
Publication titleTrans. Amer. Philos. Soc., n. s. +
Publication year1841 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V19 834.xml +
SynonymsArtemisia spinescens +
Taxon familyAsteraceae +
Taxon namePicrothamnus desertorum +
Taxon parentPicrothamnus +
Taxon rankspecies +
VolumeVolume 19 +