Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Global Range: Scattered throughout Alaska-except south, N British Colum- bia, N Mackenize, Yukon.

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Physical Description

Morphology

Description

Perennials or subshrubs, 15–30(–60) cm (not cespitose), aromatic (caudices woody). Stems 1–10, erect, gray-green, simple (suf-frutescent from woody offsets), densely hairy to glabrescent. Leaves basal and cauline, mostly gray-green; blades obovate, 1.5–5 × 0.5–1.5 cm, 3-lobed to 2-ternately lobed (lobes 0.5–3 mm wide, margins flat; cauline leaves smaller, sometimes entire), faces tomentose. Heads (peduncles 0 or to 30 mm) in (leafy) paniculiform to racemiform arrays 12–25 × 1–4.5 cm. Involucres broadly campanulate, 3.5–5 × 6–9 mm. Phyllaries ovate (margins brownish or hyaline), tomentose. Florets: pistillate 8–10; bisexual 20–45; corollas yellow, 2–2.5 mm, glabrous or glandular. Cypselae ellipsoid (flattened), 1–1.5 mm, glabrous. 2n = 18.
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Diagnostic Description

Synonym

Artemisia tyrrellii Rydberg
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Type Information

Holotype for Artemisia alaskana Rydb.
Catalog Number: US 417571
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): I. C. Russell
Year Collected: 1889
Locality: Yukon River, between Nulato and Nowikakat., Alaska, United States, North America
  • Holotype: Rydberg, P. A. 1916. N. Amer. Fl. 34: 281.
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Ecology

Habitat

Comments: Gravel bars, rocky ledges.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 21 - 80

Comments: 41 EOs; 30 in Alaska, 11 in Canada [B.C.(1), Mack.(2), Yuk.(8)].

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Artemisia alaskana

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Reasons: 41 EOs documented, limited range.

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Wikipedia

Artemisia alaskana

Artemisia alaskana, the Alaskan sagebrush or Alaskan wormwood, is a plant in the genus Artemisia.[1] It is found in British Columbia, the Yukon, and the Northwest Territories, in Canada.[1]

Uses[edit]

Alaskan wormwood is used by the larvaes of butterflies which are pollinating it. The plant is an important ingredient in some French cousines, which chefs use as a flavorer. The plant have a medical purpose as well. It can be used as a cough medicine, lowers fever, cures colic and headache, and is great against intestinal parasites and malaria. The shrub is very smelly and have a bitter taste, because of terpenoids and sesquiterpene lactones that it carries. Because of it, it can be used in various cosmetics such as enemas, infusions, lotions, and poultices. It is also used in breweries, and can be used as oil to detract fleas and moths from clothes. Moreover, it can be used as an anthelmintic, febrifuge, and stomachic, The plant requires full sun and partial shade, and a dry soil.[2]

References[edit]

  1. ^ a b www.evergreen.ca Retrieved on May 6th, 2008.
  2. ^ Uses Retrieved on June 13th, 2012
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Notes

Comments

As circumscribed here, Artemisia alaskana is known from northwestern North America. The type specimen of A. alaskana is atypical, with longer peduncles and narrower leaf lobes than are found in most populations.
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