Flora of the Canadian Arctic Archipelago

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S.G. Aiken, M.J. Dallwitz, L.L. Consaul, C.L. McJannet, R.L. Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad, and J.G. Harris

Thalictrum alpinum L.

Ranunculaceae, Buttercup family.

Vegetative morphology. Only fibrous roots present. Leaves marcescent. Leaf blades compound.

Reproductive morphology. Sepals conventional. Petals conventional; 5; white. Ovules per ovary 1.

Ecology and habitat. Herbmats on warm, southfacing slopes.

North American distribution. Alaska, Yukon, northern Quebec, Labrador (?).

Northern hemisphere distribution. Circumpolar, or circumboreal (large gap between western and and eastern North American areas). Northern Iceland, Northern Fennoscandian, Kanin–Pechora, Polar Ural – Novaya Zemlya, Taimyr – Severnaya Zemlya, Anabar–Olenyok, Kharaulakh, West Chukotka, Wrangel Island, South Chukotka (?), East Chukotka, West Alaska, North Alaska – Yukon, Labrador – Hudson Bay, West Greenland, East Greenland.

Illustrations. • Pressed specimen. Species that should be looked for in the Canadian Arctic Archipelago. Greenland, Disco Island Godhavn, base of cliff, Engelskmanden. Raymond Wood. 260. CAN 265547.


This publication is available on the internet (posted May 2011) and on CD-ROM (published in 2007). These versions are identical in content, except that the errata page for CD-ROM is accessible on the main index page of the web version.

Recommended citation for the web-based version of this publication: 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. http://nature.ca/aaflora/data, accessed on DATE.

Recommended citation for the CD-ROM version of this publication: 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. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.

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