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Extension

Plant Profile 
FYUSE 3D Image

Common Name: Little Barley
Species Name: Hordeum pusillum Nutt.
Plant Type: Grasses & Grass-like
Family Name: Poaceae

 
Plant Facts 
OriginNative
DurationAnnual (or winter annual)
SeasonCool
Distribution in the U.S.Central and southern Great Plains, scattered northward, in dry or alkaline soils, particularly in disturbed areas where competition from perennial plants is low
Distribution in OklahomaThroughout the state

ID Characteristics

  • Field Identification Characteristics

    Vegetative

    • Blunt membranous ligule
    • Auricles
    • Leaves are alternate, rough textured to softly hairy, flat and mostly erect
    • Stems are unbranched, smooth; erect to ascending or the lower stem prostrate then rising at the lower node; stems are single to multiple from the base and form loose clumps

    Floral

    • V-notch at tip of seed heads
    • Seed head long, erect and bristly (awned)
    • Seed head with spikelets on two sides of stem
    • 3 spikelets per node

    Inflorescence

    • Inflorescence is a raceme, spike-like, narrow, upright and dense.
  • Leaf and Stem Characteristics
    • Plant Height: 15-45 centimeters
    • Ligule Type: Membranous 
    • Sheath: Glabrous; round, smooth or with a few hairs
    • Leaf Type: Simple
    • Leaf Arrangement: Alternate
    • Leaves: Basal and Cauline
    • Stems: Erect to ascending, usually branched, surfaces pubescent with forked hairs
  • Inflorescence Characteristics
    • Spikelet: 3 per node; florets 1; lemmas of lateral spikelets 1/2 to 1/3 as long as the lemma of the central spikelet
    • Awns: Glumes of lateral spikelets awn-like, other glumes awned; lemma of central spikelet awned; lemmas of lateral spikelets short-awned
    • Glumes: narrow at the base, wider above, rough to the touch
  • Floral Characteristics
    • Florets Per Spikelet:1
    • Glumes: Equal
    • Flower Color: Yellow
    • Flowering time: June-August
    • Flower Shape: Indistinct
    • Cluster Type: Spike
    • Fruit Type: Seed without plume
 
Habitat/Ecology 
Soil TypeSterile gravel, sand and clay
HabitatDry prairies, graveled areas along roadsides, pastures, fallow fields, disturbed areas, sterile waste areas, right-of-ways and playgrounds
Successional StageEarly