familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusHordeum
speciesHordeum marinum
subspeciesHordeum marinum subsp. gussoneanum
Hordeum marinum subsp. gussoneanum
Common names: Mediterranean barley Geniculate barley
Introduced
Synonyms: Hordeum hystrix Hordeum geniculatum Critesion marinum subsp. gussoneanum
Treatment appears in FNA Volume 24. Treatment on page 248.
Plants summer-annuals. Leaves 1.5-4 mm wide, flat or involute. Lateral spikelets: lower glumes usually setaceous, occasionally a little widened, but not winged. 2n = 14, 28.
Discussion
Hordeum marinum subsp. gussoneanum grows in grassy fields, waste places, and open ground. It was introduced to North America from the Mediterranean area, and it is now an established weed, especially in western North America.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Hordeum marinum subsp. gussoneanum"
absent +
common +
absent +
bulliform +
absent +
yellowish +
hairy +
absent +
absent +
0-0.3 mm +
unbranched +
arising +
terminal +
single +
hairy +
close +
free +
hard +
thick +
parallel +
not evident +
hairy +
spikelike +
bisexual +
not branching +
straight +
annual +
climbing +
floating +
decumbent +
erect +
geniculate +
not woody +
sterile +
reduced +
1/3 +
capillary +
adjacent +
longer +
bisexual +
reduced +
1-5-veined +
divergent +
straight +
shorter than to longer than the adjacent florets +
ascending +
subtending +
absent +
setaceous +
unequal +
equal +
uncinate +
punctate +
Present +
compound +
absent +
sterile +
absent +
distichous +
5-veined +
pubescent +
scabrous +
ovate +
truncate +
hyaline +
absent +
veined +
truncate +
inconspicuous +
lanceolate +
not winged +
setaceous +
widened +
simple +
glabrous +
absent +
well-developed +
shorter +
slightly longer +
absent +
subequal +
equal +
absent +
absent +
separating +
thin +
absent +
spikelike +
prolonged +
disarticulating +
evident +
open +
closed +
full +
Introduced +
ebracteate +
dense +
mixed +
cultivated +
attached +
distinct +
falling +
parallel-sided +
not papillate +
Hordeum marinum subsp. gussoneanum +
Hordeum marinum +
subspecies +
hyaline +
membranous +
setaceous +
converging +
absent +
inconspicuous +
rhizomatous +
annual +