Setaria pumila
pigeon grass, wood groundsel, yellow bristlegrass, yellow foxtail
30-130 cm.
glabrous;
ligules ciliate;
blades 4-10 mm wide, loosely twisted, adaxial surfaces with papillose-based hairs basally.
3-15 cm, uniformly thick, erect, densely spicate;
rachises hispid;
bristles 4-12, 3-8 mm, antrorsely scabrous.
2-3.4 mm, strongly turgid.
about 1/3 as long as the spikelets, 3-veined, acute;
upper glumes about 1/2 as long as the spikelets, 5-veined, ovate;
upper florets often staminate;
lower lemmas equaling the upper lemmas;
lower paleas equaling the lower lemmas, broad;
upper lemmas conspicuously exposed, strongly transversely rugose.
= 36, 72.
Setaria pumila
AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; HI; AB; BC; LB; MB; NB; NS; ON; PE; QC; SK
1. Spikelets 3-3.4 mm long; bristles yellow | subsp. pumila |
1. Spikelets 2-2.5 mm long; bristles reddish subsp. pallidefusca | subsp. pallidefusca |
- Local floras:
BC, 
OR, 
WA - Local Web sites:
CalFlora, CalPhotos, 
Flora NW, 
Go Botany, 
IL Wildflowers, 
KS Wildflowers, 
LA Plants, 
MD Biodiversity, 
MI Flora, 
MN Wildflowers, 
MO Plants, 
PNW Herbaria 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
