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.
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