- Tetradymia axillaris
Taxobox
name = "Tetradymia axillaris"
image_width = 260px
regnum =Plant ae
divisio =Magnoliophyta
classis =Magnoliopsida
ordo =Asterales
familia =Asteraceae
tribus =Senecioneae
genus = "Tetradymia "
species = "T. axillaris"
binomial = "Tetradymia axillaris"
binomial_authority =A. Nels. "Tetradymia axillaris" is a flowering plant in the daisy family known by the common names longspine horsebrush and cottonthorn. This is a plant of the sagebrush and desert plant communities of the southwestern United States. The plant forms a sprawling thicket and is very spiny. The green leaves dry and their tissues fall away, leaving the veins as hard, sharp spines. When in foliage the bush has green, hairy stems and bears yellow daisylike flowerheads in the axils, or angles, of the newest branches. The fruits are released in masses of cottony seed. The sharp spines were used as tattooing needles by the
Kawaiisu Native Americans.External links
* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,1911,1913 Jepson Manual Treatment]
* [http://plants.usda.gov/java/profile?symbol=TEAX USDA Plants Profile]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Tetradymia+axillaris Photo gallery]
* [http://herb.umd.umich.edu/herb/search.pl?searchstring=Tetradymia+axillaris Ethnobotany]
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