Seed Study - Bouteloua hirsuta
Bouteloua hirsuta - Hairy Grama NPS Graphic 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. This species can be difficult to tell from blue grama or buffalograss while vegetative. 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. |
Did You Know?
Elk were the most widely distributed member of the deer family in North America and spread from the Atlantic to the Pacific, from Mexico to northern Alberta. Elk began to disappear in the eastern United States in the early 1800s. More...