(Artemisia ludoviciana ssp. ludoviciana)
Conservation • Wetland • Description • Habitat • Ecology • Use • Distribution • Taxonomy
Description |
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White sage is a 1′ to 3′ tall, erect, perennial forb that rises on multiple stems from a slender, horizontal rhizome. It often forms colonies. The leaves and stem are highly fragrant with a sage-like aroma. The stems are unbranched below the inflorescence. They are covered with white, short, soft, matted, woolly hairs, at least near the top. The leaves are alternate, gray, inversely lance-shaped with the attachment at the narrow end. They are 1⅛″ to 4⅓″ long and up to ½″ wide at the base, getting progressively smaller as they ascend the stem. They are untoothed and unlobed or may have a few lobes or large, coarse teeth toward the tips. The margins are flat, not rolled under. The upper and lower surfaces are densely covered with white, short, soft, matted, woolly hairs, the lower surface more so than the upper. The inflorescence is an erect, dense, 2″ to 12″ long, spike-like cluster at the top of some of the stems. The flowers are yellow or yellow-green, small, round, and inconspicuous. They are composed of 6 to 12 very short ray florets and 5 to 12 disk florets. There is no floral scent. The fruit is a tiny achene. |
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Height |
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1′ to 3′ |
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Flower Color |
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Yellow or yellow-green |
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Similar Species |
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Subspecies ludoviciana is the most widespread, common, and the most varied in appearance. It is the only subspecies that occurs in Minnesota. The gray color of the stems and leaves and the relatively broad, lance-shaped leaf distinguish this plant from other Artemisia species that occur in the state. |
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Habitat |
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Dry. Prairies, disturbed sites. |
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Ecology |
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Flowering |
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July to October |
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Pests and Diseases |
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Use |
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Distribution |
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Sources |
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9/4/2020 | ||||
Nativity |
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Native |
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Occurrence |
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Common |
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Taxonomy |
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Kingdom | Plantae (green algae and land plants) | ||
Subkingdom | Viridiplantae (green plants) | ||
Infrakingdom | Streptophyta (land plants and green algae) | ||
Superdivision | Embryophyta (land plants) | ||
Division | Tracheophyta (vascular plants) | ||
Subdivision | Spermatophytina (seed plants) | ||
Class | Magnoliopsida (flowering plants) | ||
Superorder | Asteranae | ||
Order |
Asterales (sunflowers, bellflowers, fanflowers, and allies) | ||
Family |
Asteraceae (sunflowers, daisies, asters, and allies) | ||
Subfamily | Asteroideae | ||
Supertribe | Asterodae | ||
Tribe | Anthemideae (chamomiles, yarrows, and allies) | ||
Subtribe | Artemisiinae | ||
Genus | Artemisia (wormwoods and sagebrushes) | ||
Species | Artemisia ludoviciana (silver wormwood) | ||
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Synonyms |
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Artemisia brittonii Artemisia cuneata Artemisia diversifolia Artemisia falcata Artemisia gnaphalodes Artemisia herriotii Artemisia lindheimeriana Artemisia ludoviciana var. americana Artemisia ludoviciana var. brittonii Artemisia ludoviciana var. gnaphalodes Artemisia ludoviciana var. latifolia Artemisia ludoviciana var. pabularis Artemisia ludoviciana ssp. typica Artemisia pabularis Artemisia paucicephala Artemisia pudica Artemisia purshiana Artemisia rhizomata Artemisia vulgaris var. ludoviciana Artemisia vulgaris ssp. ludoviciana |
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Common Names |
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cudweed cudweed sagewort gray sagewort Louisiana sage Louisiana sagebrush Louisiana sage-wort Louisiana wormwood mugwort wormwood pasture sage prairie sage silver wormwood western mugwort western sage white sage white sagebrush |
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Glossary
Achene
A dry, one-chambered, single-seeded seed capsule, formed from a single carpel, with the seed attached to the membranous outer layer (wall) only by the seed stalk; the wall, formed entirely from the wall of the superior ovary, does not split open at maturity, but relies on decay or predation to release the contents.
Rhizome
A horizontal, usually underground stem. It serves as a reproductive structure, producing roots below and shoots above at the nodes.
Visitor Photos |
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Nancy Falkum |
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Artemisia |
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Tom T. |
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White Sage & Smooth Sumac |
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Charity Saxum |
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MinnesotaSeasons.com Photos |
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Habitat |
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Plant |
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Slideshows |
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Artemisia ludoviciana Matt Lavin |
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About
Native rhizomatous herb to 90 cm tall, often in disturbed settings including overgrazed rangeland and roadsides. The stems leaves are often very variable in width, length, and degree of lobing and dentition (from entire leaves to dentate at the tip or lobed along the margins). |
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Visitor Videos |
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Other Videos |
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Visitor Sightings |
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Report a sighting of this plant. |
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This button not working for you? Simply email us at info@MinnesotaSeasons.com. Be sure to include a location. |
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Nancy Falkum 9/18/2021 |
Location: Kellogg Weaver Dunes SNA, Weaver Dunes Unit Artemisia |
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Tom T. 9/7/2020 |
Location: Seven Sisters Prairie White Sage & Smooth Sumac |
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Charity Saxum 8/6/2018 |
Location: rural Parkers Prairie, MN |
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MinnesotaSeasons.com Sightings |
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Badoura Jack Pine Woodland SNA Bertram Chain of Lakes Regional Park Blazing Star Prairie Addition Preserve, South Unit Carpenter St. Croix Valley Nature Center Carver Highlands WMA, South Unit Cedar Creek Ecosystem Science Reserve Charles A. Lindbergh State Park Felton Prairie SNA, Bicentennial Unit Kellogg Weaver Dunes SNA, Kellogg Weaver Unit Kellogg Weaver Dunes SNA, Weaver Dunes Unit Margherita Preserve-Audubon Prairie Minnesota Valley NWR, Louisville Swamp Unit Mound Spring Prairie SNA, North Unit Mound Spring Prairie SNA, South Unit Northern Tallgrass Prairie NWR, Hoffman Unit Northern Tallgrass Prairie NWR, Rengstorf Unit Northern Tallgrass Prairie NWR, Spieker Unit Northern Tallgrass Prairie NWR, Touch the Sky Prairie Unit Pankratz Memorial Prairie, North Unit Pembina Trail Preserve SNA, Crookston Prairie Unit Prairie Creek WMA, Koester Prairie Unit Richard M. & Mathilde Rice Elliott SNA Sand Prairie Wildlife Management and Environmental Education Area Verlyn Marth Memorial Prairie SNA |
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