Seed Study - Sporobolus cryptandrus
Species: Sporobolus cryptandrus
Vegetative identification: Growth is decumbent. Leaves are concave, wide, short, smooth and dark green in color. Leaf tips are often inrolled. There is a conspicuous ring of long hairs at the collar, giving the plant the look of wearing an Elizabethan collar.
Sporobolus cryptandrus – sand dropseed
Average number of good seeds per gram bulk matter: 4040
Average number of good seeds per gram cleaned: n.m.
Commercial estimates of seeds per gram: 3876
Percent seed: 90.6
Percent live: 84
Collection dates: September 2 and 7
Collection effort: 12 grams in 4 person hours
Collection notes: Large numbers of seeds can be collected in a short amount of time from one plant, but seed producing plants are not common (at least not in 2004). The seed drops within a couple of days after maturing so timing is critical for successful collection.
Cleaning notes: As picked with empty seeds and a few rachises.
Did You Know?
Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers." More...