Difference between revisions of "Artemisia tilesii"
Mém. Acad. Imp. Sci. St. Pétersbourg Hist. Acad. 5: 568. 1814.
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|name=Artemisia hookeriana | |name=Artemisia hookeriana | ||
|authority=Besser | |authority=Besser | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia hultenii | |name=Artemisia hultenii | ||
|authority=M. M. Maximova | |authority=M. M. Maximova | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia tilesii var. aleutica | |name=Artemisia tilesii var. aleutica | ||
|authority=(Hultén) S. L. Welsh | |authority=(Hultén) S. L. Welsh | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia tilesii var. elatior | |name=Artemisia tilesii var. elatior | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia tilesii subsp. gormanii | |name=Artemisia tilesii subsp. gormanii | ||
|authority=(Rydberg) Hultén | |authority=(Rydberg) Hultén | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia tilesii subsp. hultenii | |name=Artemisia tilesii subsp. hultenii | ||
|authority=(M. M. Maximova) V. G. Sergienko | |authority=(M. M. Maximova) V. G. Sergienko | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia tilesii var. unalaschcensis | |name=Artemisia tilesii var. unalaschcensis | ||
|authority=Besser | |authority=Besser | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia unalaskensis var. aleutica | |name=Artemisia unalaskensis var. aleutica | ||
|authority=Hultén | |authority=Hultén | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Artemisia vulgaris subsp. tilesii | |name=Artemisia vulgaris subsp. tilesii | ||
|authority=(Ledebour) H. M. Hall & Clements | |authority=(Ledebour) H. M. Hall & Clements | ||
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|elevation=0–2000 m | |elevation=0–2000 m | ||
|distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Idaho;Mont.;Oreg.;Wash.;Asia (Russia). | |distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Idaho;Mont.;Oreg.;Wash.;Asia (Russia). | ||
− | |discussion=<p>Artemisia tilesii has a bewildering array of variation in leaf and inflorescence morphology that has been separated into four infraspecific taxa recognized in some floras. I am unable to separate these taxa consistently and am including them within a broad circumscription of the species.</p> | + | |discussion=<p><i>Artemisia tilesii</i> has a bewildering array of variation in leaf and inflorescence morphology that has been separated into four infraspecific taxa recognized in some floras. I am unable to separate these taxa consistently and am including them within a broad circumscription of the species.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1814 | |publication year=1814 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V19_927.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Artemisia | |genus=Artemisia |
Revision as of 16:16, 18 September 2019
Perennials, 20–60(–80) cm, mildly aromatic (rhizomes coarse). Stems 1–3, erect, white, tomentose (on distal branches, hairs appressed) or glabrate. Leaves basal and cauline, bicolor (white and green); blades (basal) linear to broadly lanceolate, 3–7(–10) × 2–5(–6) cm, coarsely pinnately lobed (cauline becoming linear distally), faces tomentose (abaxial) or glabrous (adaxial). Heads in compact to broadly branched, paniculiform arrays 1–20 × 2–6 cm. Involucres broadly campanulate, 4–5 × 3.5–4 mm. Phyllaries (violet-brown) oval (outer) to elliptic or lanceolate, sparsely tomentose. Florets: pistillate 9; bisexual 25–60; corollas yellow, 1.5–3 mm, glabrous (style branches included, erect, linear, relatively short, short-ciliate). Cypselae oblong-linear (angular), 1.2–1.5 mm, glabrous. 2n = 18, 36.
Phenology: Flowering mid summer–early fall.
Habitat: Arctic and alpine tundra, sandy, rocky slopes near shorelines
Elevation: 0–2000 m
Distribution
Alta., B.C., Man., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Idaho, Mont., Oreg., Wash., Asia (Russia).
Discussion
Artemisia tilesii has a bewildering array of variation in leaf and inflorescence morphology that has been separated into four infraspecific taxa recognized in some floras. I am unable to separate these taxa consistently and am including them within a broad circumscription of the species.
Selected References
None.