Physaria arctica
| Physaria arctica | |
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| P. arctica | |
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| Species: | P. arctica
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| Binomial name | |
| Physaria arctica (Wormsk. ex Hornem.) O'Kane & Al-Shehbaz
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Physaria arctica is a perennial flowering herb of the mustard family, known by the common name arctic bladderpod.[1]
Description
Plants are 6–12 cm high[2] with a short taproot and woody stem-base. Basal leaves, 2-6 cm and arranged in a rosette[3]predominate, and are obovate to oblanceolate, while cauline leaves, sessile or shortly petiolate, are oblanceolate or lingulate and 0.5-1.5 cm.[4] Inflorescences are loosely racemose, with flower stalks ascending or erect and 5-20 mm. There are 3-8 radially symmetrical flowers per inflorescence,[3] and the petals are spaulate, 5-6mm, with blades that narrow gradually to the claw.[4]
Habitat
P. arctica grows in sand and gravel from calcareous bedrock, river bars and terraces, cliff ledges, scree and talus slopes.[4]
References
- ^ "Physaria arctica (Wormsk. ex Hornem.) O'Kane & Al-Shehbaz". Integrated Taxonomic Information System (ITIS). Retrieved 17 June 2016.
- ^ Aiken, S.G.; et al. "Flora of the Canadian Arctic Archipelago: Lesquerella arctica (Wormskjold. ex Hornem.) S. Watson". Canadian Museum of Nature. Canadian Museum of Nature. Retrieved 17 June 2016.
{{cite web}}: Explicit use of et al. in:|first1=(help) - ^ a b Douglas, G.W., D.V. Meidinger, and J. Pojar, ed. (1999). Illustrated Flora of British Columbia. Volume 4: Dicotyledons (Orobanchaceae Through Rubiaceae). Victoria: B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests.
{{cite book}}: CS1 maint: multiple names: editors list (link) - ^ a b c "Physaria arctica". Floras of North America. Retrieved 17 June 2016.
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