- Hymenopappus filifolius
Taxobox
name = "Hymenopappus filifolius"
regnum =Plant ae
divisio = Magnoliophyta
classis =Magnoliopsida
ordo =Asterales
familia =Asteraceae
genus = "Hymenopappus "
species = "H. filifolius"
binomial = "Hymenopappus filifolius"
binomial_authority = Hook."Hymenopappus filifolius" is a species of flowering plant in the daisy family known by the common names fineleaf hymenopappus and Columbia cutleaf. It is native to western North America from west central Canada to northern Mexico. It grows in a number of habitats, often in arid regions. The plant is variable in appearance and there are a great number of varieties of the species. It is a
taproot ed perennial herb growing as a small clump on the ground to an erect spray of stems up to a meter tall. Almost all of the leaves are located at the base of the plant in a woolly gray-green patch. They are up to 20 centimeters long and are divided into blunt, thready leaflets. They are glandular and thinly hairy to quite woolly, and dark green under the coat of white wool. The stem ends in a branchinginflorescence of knob-shaped discoid flower heads. They are filled with golden yellow or white disc florets. There are no ray florets.There are many varieties, including:
*"H. f." var. "eriopodus" - a white-flowered variety native fromCalifornia toUtah
*"H. f." var. "filifolius" - found mostly in thePacific Northwest
*"H. f." var. "idahoensis" - (Idaho hymenopappus) - endemic toIdaho
*"H. f." var. "nudipes" - (alpine hymenopappus) - known fromUtah andWyoming
*"H. f." var. "parvulus" - endemic toColorado External links
* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,1432,1433 Jepson Manual Treatment]
* [http://www.plants.usda.gov/java/profile?symbol=HYFI USDA Plants Profile]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Hymenopappus+filifolius "H. filifolius" Photo gallery]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Hymenopappus+filifolius+var.+eriopodus var. "eriopodus" Photo gallery]
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