Artemisia arbuscula subsp. arbuscula

Treatment appears in FNA Volume 19. Treatment on page 511.
Leaves broadly cuneate (lobed, lobes less than 1/2 blade lengths, 1–3 mm wide, rounded). Involucres 3.5–4(–5) × 2–4.5 mm. 2n = 18, 36.

Phenology: Flowering mid–late summer.
Habitat: Rocky sedimentary soils, high valleys, mountain slopes
Elevation: 1500–3800 m



Calif., Colo., Idaho, Mont., Nev., Utah, Wash., Wyo.


The relatively large heads of Artemisia arbuscula subsp. arbuscula suggest a relationship with A. cana; the extreme morphologic variability of this subspecies from east to west may be the result of hybridization with various subspecies within the A. cana complex.

Selected References


Lower Taxa


AuthorLeila M. Shultz +
AuthorityNuttall +
BasionymsTridentatae +
DistributionCalif. +, Colo. +, Idaho +, Mont. +, Nev. +, Utah +, Wash. + and Wyo. +
Elevation1500–3800 m +
HabitatRocky sedimentary soils, high valleys, mountain slopes +
Illustration copyrightFlora of North America Association +
IllustratorLinda Ann Vorobik +
PhenologyFlowering mid–late summer. +
Publication titleTrans. Amer. Philos. Soc., n. s. +
Publication year1841 +
ReferenceNone +
Source xml grained fna xml/V19-20-21/V19 863.xml +
SynonymsArtemisia tridentata subsp. arbuscula +, Artemisia tridentata var. arbuscula + and Seriphidium arbusculum +
Taxon familyAsteraceae +
Taxon nameArtemisia arbuscula subsp. arbuscula +
Taxon parentArtemisia arbuscula +
Taxon ranksubspecies +
VolumeVolume 19 +