Flora of North America species comparison

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Artemisia arbuscula subsp. longiloba
Photo is of parent taxon

little sagebrush
Leaves

broadly cuneate (4–10 × 2–5 mm, often irregularly lobed, lobes rounded, middle lobes overlapping lateral lobes).
Involucres

2–3 × 1.5–2.5 mm.
2n

= 18, 36.

Artemisia arbuscula subsp. longiloba
Phenology Flowering early–late spring.
Habitat Clay soils of alkaline basins and valleys, occasionally on outwash plains of mountains
Elevation 1500–2500 m (4900–8200 ft)
Distribution
from FNA
CA; CO; ID; MT; OR; UT; WY
[BONAP county map]
Discussion

Subspecies longiloba is distinguished from other members of the Artemisia arbuscula complex by its early blooming time. It is the only member of subg. Tridentatae to begin flowering as snow melts in early spring, and it is ecologically distinguished from other subspecies by its occurrence at low elevations, in fine-grained clay soils.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 511.
Parent taxa Asteraceae > tribe Anthemideae > Artemisia > subg. Tridentatae > Artemisia arbuscula
Sibling taxa
A. arbuscula subsp. arbuscula, A. arbuscula subsp. thermopola
Synonyms A. spiciformis var. longiloba, A. longiloba, Seriphidium arbusculum subsp. longilobum
Name authority (Osterhout) L. M. Shultz: Sida 21: 1637. (2005)
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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