Seed Study - Bouteloua hirsuta
Species: Bouteloua hirsuta
Vegetative identification: Blade and collar have conspicuous glandular hairs, mostly on the upper surface but occasionally on the lower also. The collar has a larger tuft of hair on each side. The sheath is smooth and papery. The leaves are flat, short and drooping.
Bouteloua hirsuta – hairy grama
Average number of good seeds per gram bulk matter: n.m.
Average number of good seeds per gram cleaned: 313 (163)
Commercial estimates of seeds per gram: 1510
Percent seed: 23
Percent live: 42
Collection dates: October 11 and 20
Collection effort: 50 grams in 10 person hours
Collection notes: Look for in areas with lots of bare soil. It appeared to produce more seed in an area that was burned in 2001 or 2002.
Cleaning notes: Cleaned seed was stripped from rachis but included empty florets.