Marah oregana
From Puget Prairie Plants
Seed
Abbreviation: MAOR
Seed sample from: 2011
Average Measurement: 16.8 x 17 x 8.5
Measurement Range: L: 15 – 18, W: 16 – 18, D: 8 – 9
Features
Shape: Seeds very large, rounded with a pinched looking hilum.
Color: Dark brown, with a lighter brown hilum. Under high magnification seed appears speckled with black.
Surface: Seed covered in very fine velvety hairs. Under high magnification seed appears slightly glossy, but with naked eye, seed is matte.
Latitudinal Cross Section: elliptical 
Longitudinal Cross Section: elliptical 
