GRASS GENERA III with Panicoid Spikelets (Beadlike in Appeara
GRASS GENERA IIIGrasses with Panicoid Spikelets (Beadlike in Appearance)
“PANICOID SPIKELET”
A) Spikelets with Spines or Bristles
Echinochloa (Barnyard Grass)
Echinochloa
Echinochloa
Setaria (Bristlegrass; Foxtail grass)
Setaria
* Setaria pumila(Yellow Bristlegrass)
* Setaria viridis(Green Bristlegrass)
Introduced Setaria
Setaria grisebachii(Grisebach’s Bristlegrass)
Setaria leucopila(Streambed Bristlegrass)
Native Setaria
Setaria or Polypogon?
Setaria versus Polypogon
Cenchrus (Sandbur)
Cenchrus (Sand-Bur)
B) Panicoid Grasses Lacking Spines or BristlesFirst Glume Minute (< .5 mm long)
Digitaria (Crabgrass)
Digitaria
Digitaria sanguinalis (Hairy Crabgrass)Digitaria ischaemum (Smooth Crabgrass)
Digitaria californica (Arizona Cottontop)
Digitaria Look-Alikes
Digitaria vs. Cynodon vs. Chloris
Eriochloa (Cupgrass)
Paspalum (Knotgrass)
Paspalum (Knotgrass)
Paspalum distichum (Knotgrass)
• Wetlands, Riparian Edge Habitat
C) Panicoid Grasses Lacking Spines or BristlesFirst Glume Conspicuous (> .5 mm long)
Panicum – Perennial Species
Panicum obtusum (vine mesquite)
Panicum – Perennial Species
Panicum bulbosum (Bulb Panicum)
Panicum capillare (Fall Witch Grass)
Panicum – Annual Species
PANICOID GRASSES
A) Spikelets with Spines or Bristles: Echinochloa, Setaria, Cenchrus
B) Spikelets Lacking Spines or Bristles; First Glume Minute: Digitaria, Eriochloa, Paspalum
C) Spikelets Lacking Spines or Bristles; First Glume Conspicuous: Panicum