- Arnica parryi
Taxobox
name = "Arnica parryi"
image_width = 210px
regnum =Plant ae
divisio = Magnoliophyta
classis =Magnoliopsida
ordo =Asterales
familia =Asteraceae
tribus =Heliantheae
genus = "Arnica "
species = "A. parryi"
binomial = "Arnica parryi"
binomial_authority = Gray"Arnica parryi" is a species of
arnica known by the common name Parry's arnica. It is native to western North America fromYukon toCalifornia toColorado , where it is a resident of coniferous forests. This is a rhizomatous perennial herb producing a single unbranched stem to heights between 10 and 60 centimeters. There are oval-shaped leaves around the base of the stem and a few pairs of longer, narrower petioled leaves above them. The leaves may approach 20 centimeters in length on larger individuals. Theinflorescence holds one to several daisylike flower heads, which nod as buds and then pull erect when the face opens. Each head has a center filled with yellow disc florets and usually several yellow ray florets around the edge. The fruit is a cylindricalachene about half a centimeter long with a bristly pappus.External links
* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,701,713 Jepson Manual Treatment]
* [http://plants.usda.gov/java/profile?symbol=ARPA13 USDA Plants Profile]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Arnica+parryi Photo gallery]
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