National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service:  U.S. Department of the InteriorNational Park Service Arrowhead
Wind Cave National ParkFalse Gromwell Seedling
view map
text size:largestlargernormal
printer friendly
Wind Cave National Park
Seed Study - Gutierrezia sarothrae
Gutierrezia sarothrae - Broom Snakeweed

Gutierrezia sarothrae - Broom Snakeweed

Species: Gutierrezia sarothrae
Common name: broom snakeweed

Seedling identification: Cotyledons and true leaves are long, narrow and dark green and have a turpentine smell when the foliage is crushed. The seedling can easily be confused with Salsola iberica, but the later doesn't have the turpentine smell.

 

Gutierrezia sarothrae – broom snakeweed
Average number of good seeds per gram bulk matter: 245
Average number of good seeds per gram cleaned: 3135
Commercial estimates of seeds per gram: 3527
Percent seed: n.m.
Percent live: n.m.
Collection dates: November 8 and 22
Collection effort: 49 grams in 2 person hours
Collection notes: Easy to collect in large amounts.
Cleaning notes: Bulk measurement included flower heads and some stalks all crushed up. Cleaned seed was hard seeds with a small amount of fluff.
American bison on the Wind Cave National Park prairie  

Did You Know?
The American bison is the largest terrestrial mammal in North America. Male bison can weigh a ton and can run 35 miles per hour. Do not approach bison. They weigh more and can outrun you.
more...

Last Updated: September 27, 2007 at 13:58 EST