Ranunculus pedatifidus: Difference between revisions
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'''''Ranunculus pedatifidus''''' is a species of [[Ranunculus|buttercup]] known by the common names '''birdfoot buttercup''', '''northern buttercup''', and '''surefoot buttercup'''. It has a circumpolar distribution, occurring throughout the northern [[latitude]]s of the Northern Hemisphere.<ref name=feis>Williams, Tara Y. 1990. [http://www.fs.fed.us/database/feis/plants/forb/ranped/all.html ''Ranunculus pedatifidus''.] In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.</ref> There are two [[variety (botany)|varieties]], var. ''pedatifidus'' occurring mostly in Asia and var. ''affinis'' mostly native to North America.<ref name=fna>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501195 ''Ranunculus pedatifidus'' var. ''affinis''.] Flora of North America.</ref> |
'''''Ranunculus pedatifidus''''' is a species of [[Ranunculus|buttercup]] known by the common names '''birdfoot buttercup''', '''northern buttercup''', and '''surefoot buttercup'''. It has a circumpolar distribution, occurring throughout the northern [[latitude]]s of the Northern Hemisphere.<ref name=feis>Williams, Tara Y. 1990. [http://www.fs.fed.us/database/feis/plants/forb/ranped/all.html ''Ranunculus pedatifidus''.] In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.</ref> There are two [[variety (botany)|varieties]], var. ''pedatifidus'' occurring mostly in Asia and var. ''affinis'' mostly native to North America.<ref name=fna>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501195 ''Ranunculus pedatifidus'' var. ''affinis''.] Flora of North America.</ref> |
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[[File:Ranunculus pedatifidus IMG 4188 fliksoleie endalen.JPG|thumb|right|200px|''R. pedatifidus'' in Svalbard, Norway]] |
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This plant is a perennial herb producing several erect stems up to about 46 centimeters in maximum height, each bearing one or more flowers. The leaf blades are divided into several pointed lobes which are entire or subdivided. The herbage is often very hairy. The flowers have up to 10 yellow petals, though some lack petals. The achenes develop in a cylindrical head.<ref name=fna/><ref name=caa>Scott, P. J., et al. 2000 onwards. [http://www.mun.ca/biology/delta/arcticf/ran/www/rnrnpf.htm ''Ranunculus pedatifidus'' var. ''affinis''.] Ranunculaceae of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 6th November 2000.</ref> The variety ''affinis'' is usually a more robust plant, and the leaf segments are usually not subdivided into smaller lobes.<ref name=fna/> |
This plant is a perennial herb producing several erect stems up to about 46 centimeters in maximum height, each bearing one or more flowers. The leaf blades are divided into several pointed lobes which are entire or subdivided. The herbage is often very hairy. The flowers have up to 10 yellow petals, though some lack petals. The achenes develop in a cylindrical head.<ref name=fna/><ref name=caa>Scott, P. J., et al. 2000 onwards. [http://www.mun.ca/biology/delta/arcticf/ran/www/rnrnpf.htm ''Ranunculus pedatifidus'' var. ''affinis''.] Ranunculaceae of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 6th November 2000.</ref> The variety ''affinis'' is usually a more robust plant, and the leaf segments are usually not subdivided into smaller lobes.<ref name=fna/> |
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[[File:NORTHERN BUTTERCUPS, VERY COMMON WILDFLOWER FOUND ALONG THE ENTIRE ROUTE IN ALPINE AND ARCTIC AREAS - NARA - 550463.jpg|thumb|right|200px|''R. pedatifidus'' in Alaska, USA]] |
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In North America, this species occurs in the [[Arctic]], and farther to the south in [[alpine climate]]s. It can be found throughout Canada north and south of the Arctic Circle, and down through the [[Pacific Northwest]] and [[Rocky Mountains]] in the United States. Its habitat includes Arctic and alpine [[tundra]].<ref name=feis/><ref name=caa/> |
In North America, this species occurs in the [[Arctic]], and farther to the south in [[alpine climate]]s. It can be found throughout Canada north and south of the Arctic Circle, and down through the [[Pacific Northwest]] and [[Rocky Mountains]] in the United States. Its habitat includes Arctic and alpine [[tundra]].<ref name=feis/><ref name=caa/> |
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==External links== |
==External links== |
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{{commonscat|Ranunculus pedatifidus}} |
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*[http://plants.usda.gov/java/profile?symbol=RAPE USDA Plants Profile] |
*[http://plants.usda.gov/java/profile?symbol=RAPE USDA Plants Profile] |
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*[http://www.callutheran.edu/cr/foot/common/fhl-1927.htm Cal Lutheran Photo Gallery] |
*[http://www.callutheran.edu/cr/foot/common/fhl-1927.htm Cal Lutheran Photo Gallery] |
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Revision as of 02:00, 12 December 2013
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Ranunculus pedatifidus is a species of buttercup known by the common names birdfoot buttercup, northern buttercup, and surefoot buttercup. It has a circumpolar distribution, occurring throughout the northern latitudes of the Northern Hemisphere.[1] There are two varieties, var. pedatifidus occurring mostly in Asia and var. affinis mostly native to North America.[2]
This plant is a perennial herb producing several erect stems up to about 46 centimeters in maximum height, each bearing one or more flowers. The leaf blades are divided into several pointed lobes which are entire or subdivided. The herbage is often very hairy. The flowers have up to 10 yellow petals, though some lack petals. The achenes develop in a cylindrical head.[2][3] The variety affinis is usually a more robust plant, and the leaf segments are usually not subdivided into smaller lobes.[2]
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In North America, this species occurs in the Arctic, and farther to the south in alpine climates. It can be found throughout Canada north and south of the Arctic Circle, and down through the Pacific Northwest and Rocky Mountains in the United States. Its habitat includes Arctic and alpine tundra.[1][3]
References
- ^ a b Williams, Tara Y. 1990. Ranunculus pedatifidus. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.
- ^ a b c Ranunculus pedatifidus var. affinis. Flora of North America.
- ^ a b Scott, P. J., et al. 2000 onwards. Ranunculus pedatifidus var. affinis. Ranunculaceae of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 6th November 2000.
External links
Wikimedia Commons has media related to Ranunculus pedatifidus.