Physaria arctica
| Physaria arctica | |
|---|---|
.jpg) | |
| P. arctica | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Physaria |
| Species: | P. arctica |
| Binomial name | |
| Physaria arctica (Wormsk. ex Hornem.) O'Kane & Al-Shehbaz | |
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.
- 1 2 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.
- 1 2 3 "Physaria arctica". Flora of North America. Retrieved 17 June 2016.
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