familyAsteraceae
genusArtemisia
subgenusArtemisia subg. Tridentatae
speciesArtemisia arbuscula
subspeciesArtemisia arbuscula subsp. thermopola
Difference between revisions of "Artemisia arbuscula subsp. thermopola"
Rhodora 61: 83. 1959.
Common names: Hot Springs sagebrush
Synonyms: Seriphidium arbusculum var. thermopolum (Beetle) Y. R. Ling
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Revision as of 21:21, 16 December 2019
Leaves narrowly cuneate (5–10 × 3–6 mm, lobed, lobes 1/2+ blade lengths, laterals to 1 mm wide, often acute). Involucres (1.5–)2–2.5 × 1.5–2 mm.
Phenology: Flowering mid–late summer.
Habitat: Rocky soils of igneous origin
Elevation: 2200–2500 m
Distribution
Idaho, Utah, Wyo.
Discussion
Because of its deeply lobed leaves, subsp. thermopola can be confused with Artemisia tripartita. The habit, leaf morphology, and geographic distribution of subsp. thermopola suggest introgression between typical A. arbuscula and A. tripartita.
Selected References
None.
Lower Taxa
None.