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Avenula

Avenula
Family: Poaceae
Avenula image
  • FNA
  • Resources
Gordon C. Tucker. Flora of North America
Plants perennial; cespitose, sometimes stoloniferous. Culms 10-110 cm. Sheaths usually open, sometimes closed for most of their length; ligules membranous, acute or truncate; blades flat or folded, adaxial surfaces unribbed, with a furrow on either side of the midveins, margins sclerenchymatous. Inflorescences reduced panicles, many branches (all branches in depauperate specimens) bearing a single spikelet. Spikelets with 2-7 florets; rachillas glabrous on the side adjacent to the paleas, pubescent elsewhere; disarticulation above the glumes and beneath the florets. Glumes as long as or longer than the adjacent lemmas, 1-3-veined; calluses acute; lemmas 5-7-veined, obtuse, bifid, awned from about midlength, awns geniculate, flattened or terete and twisted below the bend; paleas with lateral wings less than 1/2 as wide as the intercostal region, apices shallowly bifid; lodicules 2, entire, unlobed; anthers 3. Caryopses more than twice as long as the hila; endosperm liquid or semi-liquid. x = 7. Name a diminutive of Avena.
Species within inventory project: Arizona Flora
Avenula adzharica
Media resource of Avenula adzharica
Map not
Available
Avenula dahurica
Media
not available
Map not
Available
Avenula hookeri
Media resource of Avenula hookeri
Map not
Available
Avenula pubescens
Media resource of Avenula pubescens
Map not
Available
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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