Dichanthelium acuminatum
From Puget Prairie Plants
Seed
Abbreviation: DIAC
Seed sample from: 2011
Average Measurement: 1.6 x 1 x 0.8 Measurement Range: L: 1.5 x 1.9, W: no variation in sample set (all seeds measured 1 mm) D: 0.7 - 0.9
Features
Shape: One side of seed has two grooves running from hilium to opposite apex that form a football shaped opening.
Color: Seeds in green and purple husk that is coarsely hairy. Inner seed is off-white with a white, slightly puckered hilium.
Surface: Seeds are glossy and smooth. Some are very finely striped longitudinally.
Latitudinal Cross Section: elliptical 
Longitudinal Cross Section: elliptical 
