Arabidopsis arenicola

Arctic rock-cress
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Brassicales
Family:	Brassicaceae
Genus:	Arabidopsis
Species:	A. arenicola
Binomial name
Arabidopsis arenicola (Richardson ex Hook.) Al-Shehbaz, Elven, D.F. Murray & S.I. Warwick
Synonyms[1][2]
Arabis arenicola (Richardson ex Hook.) Gelert Arabis arenicola var. pubescens (S. Watson) Gelert Arabis humifusa (J. Vahl) S. Watson Arabis humifusa var. pubescens S. Watson Cardaminopsis arenicola Á. Löve & D. Löve Eutrema arenicola Richardson ex Hook. Parrya arenicola (Richardson ex Hook.) Hook. Sisymbrium humifusum J. Vahl

Arabidopsis arenicola, common name Arctic rock-cress, is a plant species native to the northeastern part of North America. It has been reported from Greenland, Labrador, Nunavut, Northwest Territories, Québec, Ontario, Manitoba, and Saskatchewan. It grows on sandy or gravely beaches or stream banks at elevations below 1500 m.^[3][4][5][6]

Arabidopsis arenicola is a perennial herb up to 30 cm tall, usually hairless or almost hairless. Basal leaves are up to 6 cm long; stem leaves up to 2.5 mm long. Flowers are white, up to 10 mm across. Fruits are straight, smooth, cylindrical or slightly flattened, up to 3 cm long.^{[3][7][8][9][10]}

References

1. Tropicos
2. The Plant List
3. Flora of North America v 7 p 448
4. Warwick, S. I., A. Francis & I. A. Al-Shehbaz. 2006. Brassicaceae: Species checklist and database on CD-Rom. Plant Systematics and Evolution 259: 249–258.
5. Aiken, S.G., Dallwitz, M.J., Consaul, L.L., McJannet, C.L., Boles, R.L., Argus, G.W., Gillett, J.M., Scott, P.J., Elven, R., LeBlanc, M.C., Gillespie, L.J., Brysting, A.K., Solstad, H., and Harris, J.G. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. NRC Research Press, National Research Council of Canada, Ottawa
6. BONAP (Biota of North America Project), floristic synthesis
7. Al-Shehbaz, Ihsan Ali, Elven, Reidar, Murray, David Fletcher, Warwick, Suzanne I. 2006. Phylogenetic position of Arabis arenicola and generic limits of Aphragmus and Eutrema (Brassicaceae) based on sequences of nuclear ribosomal DNA. Canadian Journal of Botany 84(2): 269-281.
8. Hooker, William Jackson. 1830. Flora Boreali-Americana 1(2): 67, pl. 24.
9. Gelert, Otto Christian Leonor. 1898. Botanisk Tidsskrift 21(3): 289–290.
10. Hooker, William Jackson. 1860. Outl. Arct. Pl. 315.