Comparison Chart for Species of Eragrostis

Character

Eragrostis barrelieri

Eragrostis cilianensis

Eragrostis curvula

Eragrostis mexicana

Eragrostis minor

Eragrostis pectinacea

Eragrostis pilosa

palea on disseminule

no

no

yes or no

no

no

no

yes or no

glands on lemma

no

yes

no

no

yes or no

no

no

groove on caryopsis

no

no

yes or no

yes

no

no

no

caryopsis shape

ellipsoid

ellipsoid to globular

narrowly ellipsoid to narrowly ovoid

ellipsoid to pyriform or rectangular-prismatic

ellipsoid to globular

ellipsoid to pyriform

ellipsoid to pyriform or rectangular-prismatic

caryopsis compression

lateral

lateral

dorsiventral

lateral

dorsiventral

lateral

lateral

embryo color

± same as caryopsis

± same as caryopsis

darker than caryopsis

± same as caryopsis

± same as caryopsis

± same as caryopsis

± same as caryopsis