trisetum

From the genus name.

trisetum (plural trisetums)

1. Any of various grasses of the genus Trisetum.
   • 1924, Arthur William Simpson, Native American Forage Plants‎, page 185:

     The trisetums are tufted perennial grasses (rarely annuals) with flat leaves and loose panicles.

   • 1937, William Adams Dayton, Range Plant Handbook‎, United States Forest Service:

     The species of trisetum found in the Western States have similar palatability and are all fairly good to good forage, although somewhat less palatable to sheep than to cattle and horses.

   • 1950, Bulletin - California Agricultural Experiment Station‎, numbers 716-747, page 80:

     Of the five trisetums in California only two species — nodding trisetum and spike trisetum — are abundant enough to be important forage producers.

• rust mite, smuttier

trisētum

1. inflection of trisētus:
   1. nominative/accusative/vocative neuter singular
   2. accusative masculine singular