Difference between revisions of "Iva axillaris"
Fl. Amer. Sept. 2: 743. 1813.
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|place=2: 743. 1813 | |place=2: 743. 1813 | ||
|year=1813 | |year=1813 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Iva axillaris var. robustior | |name=Iva axillaris var. robustior | ||
|authority=Hooker | |authority=Hooker | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Iva;Iva axillaris | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Iva;Iva axillaris | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Iva axillaris | name=Iva axillaris | ||
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|authority=Pursh | |authority=Pursh | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Amer. Sept. | |publication title=Fl. Amer. Sept. | ||
|publication year=1813 | |publication year=1813 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_45.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | ||
Latest revision as of 20:12, 5 November 2020
Perennials, 10–40(–60) cm (rhizomatous). Stems erect (usually herbaceous). Leaves: petioles 0–3 mm; blades narrowly ovate or obovate to elliptic or spatulate, 15–25(–45) × 3–8(–15) mm, margins rarely toothed, faces usually ± strigose to scabrellous, gland-dotted. Heads in ± racemiform arrays. Peduncles 1–2 mm. Involucres ± hemispheric, 2–3 mm. Phyllaries: outer 3–5 ± connate, ± herbaceous. Paleae linear, 1.5–2 mm. Pistillate florets 3–5(–8); corollas 0.5–1.5 mm. Functionally staminate florets 4–8(–20+); corollas 2–2.5 mm. Cypselae 2.5–3 mm. 2n = 36, 54.
Phenology: Flowering May–Oct.
Habitat: Seasonally wet, saline habitats
Elevation: 10–2500 m
Distribution
Alta., B.C., Man., Sask., Ariz., Calif., Colo., Idaho, Kans., Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah., Wash., Wis., Wyo.
Discussion
Selected References
None.