Stipa(redirected from feather grass)
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grass in the family Poaceae; the seed awns are found in great abundance in subcutaneous tissue of sheep grazing pasture containing these grasses when they are ripe. Called also spear grass. Includes Stipa obtusa (Stipagrostis spp.).
Stipa robusta + Neotyphodium (Acremonium) spp. endophyte, Stipa vaseyi
in North America causes stumbling, recumbency, saliva drooling but recovery if moved to new pasture; caused by ergot alkaloids generated by the fungus. In China has a similar endophyte and causes a similar sydrome. Called also sleepygrass.