UW Burke Herbarium species comparison

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Artemisia tridentata

Artemisia aleutica

big sagebrush
Habit Erect, branching, aromatic shrub, 4-20 dm. tall, the leaves and young branches covered with fine, grey hairs.
Leaves

Leaves persisting through the winter, narrowly wedge-shaped, 1.5-5 cm. long, 3-toothed at the apex, the upper ones narrower and mostly entire.

Flowers

Heads numerous, sessile, in a loose, elongate panicle, 1.5-7 cm. wide;

involucre 3-5 mm. high, covered with fine, grey hairs;

corollas all tubular, fertile, all perfect, yellowish, mostly 3-5, occasionally more;

receptacle without hairs;

pappus none.

Fruits

Achenes glabrous.

Artemisia tridentata

Artemisia aleutica
Flowering time July-September
Habitat Dry plains and foothills to the subalpine, but not in lithosol or alkaline soil.
Distribution
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
A. absinthium, A. annua, A. arbuscula, A. biennis, A. campestris, A. cana, A. douglasiana, A. dracunculus, A. frigida, A. furcata, A. ludoviciana, A. michauxiana, A. norvegica, A. rigida, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tripartita, A. vulgaris
A. absinthium, A. annua, A. arbuscula, A. biennis, A. campestris, A. cana, A. douglasiana, A. dracunculus, A. frigida, A. furcata, A. ludoviciana, A. michauxiana, A. norvegica, A. rigida, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris
Subordinate taxa
A. tridentata ssp. tridentata, A. tridentata ssp. vaseyana, A. tridentata ssp. wyomingensis
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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