Weed
African couchgrass, Abyssinian finger grass
FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.
Light brown
GlabrousGlabrous:
Lacking hairs or pubescence.
and smooth GlumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
are longitudinally ribbed
GlabrousGlabrous:
Lacking hairs or pubescence.
and smooth
GlabrousGlabrous:
Lacking hairs or pubescence.
and smooth
Sterile lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and glumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
are papery and ribbed.
The outer glumeGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
is small. The unit can be either a floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
or spikeletSpikelet:
One or more florets that are subtended by a pair of bracts called glumes. Spikelets are pedicellate if located on a pedicle and sessile if attached directly to the rachis. Often spikelets with single florets have remnants of a second floret, usually a lemma.
. These seeds are totally round with only a trace of cells forming a line half the way around the seed. They have been confused with mustard (Brassica spp.) seeds.
Federal
Learn more on ITP's Federal Noxious Weed Disseminules tool.
Not included
For more information, see ISMA fact sheet, Digitaria spp.
Poaceae
Digitaria abyssinica (Hochst. ex A. Rich.) Stapf
Digitaria scalarum (Schweinf.) Chiov.
Digitaria vestita Fig. & De Not.