Weed
water mannagrass
FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
Lanceolate
Light brown
The lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
is granularGranular:
Resembling or consisting of small grains or particles.
; paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
is smooth.
Hump just above callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
; approx. six longitudinal lines.
Exposed at base; convex on the bottom of cavity.
CallusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation. thin and basalBasal:
The base of the fruit or seed opposite the apical end.
; rachillaRachilla:
The axis of a spikelet.
narrow with expanded apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.
CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
very dark and rounded. LemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla. is slightly compressed above the hump at the base.
Not listed
Not included
Poaceae
Glyceria fluitans (L.) R. Br.
Festuca fluitans L.
Panicularia fluitans (L.) Kuntze
