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 | ||
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Artemisia hultenii | |name=Artemisia hultenii | ||
|authority=M. M. Maximova | |authority=M. M. Maximova | ||
+ | |rank=species | ||
}} {{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 | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Artemisia tilesii var. elatior | |name=Artemisia tilesii var. elatior | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Artemisia tilesii subsp. gormanii | |name=Artemisia tilesii subsp. gormanii | ||
|authority=(Rydberg) Hultén | |authority=(Rydberg) Hultén | ||
+ | |rank=subspecies | ||
}} {{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 | ||
+ | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Artemisia tilesii var. unalaschcensis | |name=Artemisia tilesii var. unalaschcensis | ||
|authority=Besser | |authority=Besser | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Artemisia unalaskensis var. aleutica | |name=Artemisia unalaskensis var. aleutica | ||
|authority=Hultén | |authority=Hultén | ||
+ | |rank=variety | ||
}} {{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 | ||
+ | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Anthemideae;Artemisia;Artemisia subg. Artemisia;Artemisia tilesii | |hierarchy=Asteraceae;Asteraceae tribe Anthemideae;Artemisia;Artemisia subg. Artemisia;Artemisia tilesii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Artemisia tilesii | name=Artemisia tilesii | ||
− | |||
|authority=Ledebour | |authority=Ledebour | ||
|rank=species | |rank=species | ||
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|publication year=1814 | |publication year=1814 | ||
|special status= | |special status= | ||
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_927.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Artemisia | |genus=Artemisia |
Latest revision as of 20:57, 5 November 2020
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.