Difference between revisions of "Physaria arctica"
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|name=Alyssum arcticum | |name=Alyssum arcticum | ||
|authority=Wormskjöld ex Hornemann | |authority=Wormskjöld ex Hornemann | ||
| + | |rank=species | ||
|publication_title=in G. C. Oeder et al., Fl. Dan. | |publication_title=in G. C. Oeder et al., Fl. Dan. | ||
|publication_place=9(26): 3, plate 1520. 1816 | |publication_place=9(26): 3, plate 1520. 1816 | ||
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|name=Lesquerella arctica | |name=Lesquerella arctica | ||
|authority=(Wormskjöld ex Hornemann) S. Watson | |authority=(Wormskjöld ex Hornemann) S. Watson | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Lesquerella arctica subsp. purshii | |name=Lesquerella arctica subsp. purshii | ||
|authority=(S.Watson) A. E. Porsild | |authority=(S.Watson) A. E. Porsild | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Vesicaria arctica | |name=Vesicaria arctica | ||
|authority=(Trautvetter) N. Busch | |authority=(Trautvetter) N. Busch | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Vesicaria leiocarpa | |name=Vesicaria leiocarpa | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Physarieae;Physaria;Physaria arctica | |hierarchy=Brassicaceae;Brassicaceae tribe Physarieae;Physaria;Physaria arctica | ||
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name=Physaria arctica | name=Physaria arctica | ||
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|authority=(Wormskjöld ex Hornemann) O’Kane & Al-Shehbaz | |authority=(Wormskjöld ex Hornemann) O’Kane & Al-Shehbaz | ||
|rank=species | |rank=species | ||
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|publication year=2002 | |publication year=2002 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1016.xml |
|tribe=Brassicaceae tribe Physarieae | |tribe=Brassicaceae tribe Physarieae | ||
|genus=Physaria | |genus=Physaria | ||
Latest revision as of 23:29, 5 November 2020
Perennials; caudex simple or branched, (woody, cespitose); ± densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays distinct, furcate or bifurcate, (somewhat umbonate, finely tuberculate to ± smooth). Stems simple or few to several from base, erect to spreading or prostrate, 0.5–2(–3) dm. Basal leaves (usually ± rosulate); blade obovate to oblanceolate, (1–)2–6(–15) cm, margins entire. Cauline leaves (sessile or shortly petiolate); blade oblanceolate or lingulate, 0.5–1.5(–3) cm, margins entire. Racemes loose. Fruiting pedicels (erect to divaricate or ascending), (5–)10–20(–40) mm, (stout). Flowers: sepals ovate to elliptic, (3–)4–5(–6) mm, (median pair often thickened apically, cucullate); petals spatulate, 5–6(–7) mm, (blade gradually narrowed to claw). Fruits subglobose to ellipsoid, uncompressed, 4–6(–9) mm; valves (not retaining seeds after dehiscence), glabrous or sparsely pubescent outside, trichomes sessile; replum as wide as or wider than fruit; ovules (8–)10–14(–16) per ovary; style 1–2.5(–4) mm. Seeds plump. 2n = 60.
Phenology: Flowering May–Aug.
Habitat: Typically on sand and gravel from calcareous bedrock, river bars and terraces, cliff ledges, scree and talus slopes, often growing after disturbance
Elevation: 0-1800 m
Distribution
Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Que., Yukon, Alaska, circumarctic (except n Europe, ne Russia).
Discussion
Selected References
None.