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Austrostipa

Austrostipa
Family: Poaceae
Austrostipa image
  • FNA
  • Resources
Surrey W.L. Jacobs. Flora of North America
Plants facultative perennials; to 2.5 m, sometimes shrublike, often with knotty bases. Culms often persistent, sometimes geniculate at the base, sometimes with stiff branches at the upper nodes; basal branching usually extravaginal; prophylls not evident. Leaves not overwintering; sheaths open to the base, margins sometimes extending beyond the base of the ligule, the extensions often conspicuously hairy, sometimes grading into the ligule; auricles not present; ligules membranous; blades flat, convolute, or terete, usually scabrous, sometimes pubescent, those of the flag leaves longer than 10 mm, bases usually as wide as the top of the sheaths, sometimes narrower. Inflorescences panicles, sometimes contracted, rachises persistent or disarticulating whole at maturity; pedicels smooth or scabrous, sometimes hairy, hairs to 3 mm; disarticulation above the glumes, sometimes also at the base of the panicle. Spikelets with 1 floret; rachillas not prolonged. Glumes usually longer than the florets, narrow, more or less keeled, hyaline to chartaceous, 1-5(7)-veined, apices usually acute or acuminate, rarely muticous or mucronate, remaining open after the floret falls; florets at least 5 times longer than wide; calluses strigose, usually sharp; lemmas usually coriaceous or indurate, 3-5(7)-veined, margins thin, usually convolute, rarely involute, apices glabrous or pilose, with 0-2 minute to small, membranous lobes, awned, lemma-awn junction evident; awns once- or twice-geniculate; paleas from shorter than to subequal to the lemmas, flat between the veins, 0-2-veined; lodicules 3 or 2; anthers 3, frequently penicillate; ovaries glabrous. Caryopses fusiform, terete; hila linear, nearly as long as the caryopses. x = unknown. Name from the Latin, austra, 'south', and Stipa, the name of the genus in which Austrostipa used to be included.
Species within inventory project: Arizona Flora
Austrostipa acrociliata
Media resource of Austrostipa acrociliata
Map not
Available
Austrostipa aristiglumis
Media resource of Austrostipa aristiglumis
Map not
Available
Austrostipa bigeniculata
Media resource of Austrostipa bigeniculata
Map not
Available
Austrostipa blackii
Media resource of Austrostipa blackii
Map not
Available
Austrostipa breviglumis
Media resource of Austrostipa breviglumis
Map not
Available
Austrostipa curticoma
Media resource of Austrostipa curticoma
Map not
Available
Austrostipa densiflora
Media resource of Austrostipa densiflora
Map not
Available
Austrostipa drummondii
Media resource of Austrostipa drummondii
Map not
Available
Austrostipa echinata
Media resource of Austrostipa echinata
Map not
Available
Austrostipa elegantissima
Media resource of Austrostipa elegantissima
Map not
Available
Austrostipa eremophila
Media resource of Austrostipa eremophila
Map not
Available
Austrostipa exilis
Media resource of Austrostipa exilis
Map not
Available
Austrostipa flavescens
Media resource of Austrostipa flavescens
Map not
Available
Austrostipa geoffreyi
Media resource of Austrostipa geoffreyi
Map not
Available
Austrostipa gibbosa
Media resource of Austrostipa gibbosa
Map not
Available
Austrostipa hemipogon
Media resource of Austrostipa hemipogon
Map not
Available
Austrostipa juncifolia
Media resource of Austrostipa juncifolia
Map not
Available
Austrostipa lanata
Media
not available
Map not
Available
Austrostipa metatoris
Media resource of Austrostipa metatoris
Map not
Available
Austrostipa mollis
Media
not available
Map not
Available
Austrostipa muelleri
Media
not available
Map not
Available
Austrostipa mundula
Media
not available
Map not
Available
Austrostipa nitida
Media resource of Austrostipa nitida
Map not
Available
Austrostipa nodosa
Media resource of Austrostipa nodosa
Map not
Available
Austrostipa nullanulla
Media resource of Austrostipa nullanulla
Map not
Available
Austrostipa pilata
Media resource of Austrostipa pilata
Map not
Available
Austrostipa platychaeta
Media resource of Austrostipa platychaeta
Map not
Available
Austrostipa plumigera
Media
not available
Map not
Available
Austrostipa puberula
Media resource of Austrostipa puberula
Map not
Available
Austrostipa pubescens
Media resource of Austrostipa pubescens
Map not
Available
Austrostipa ramosissima
Media resource of Austrostipa ramosissima
Map not
Available
Austrostipa rudis
Media resource of Austrostipa rudis
Map not
Available
Austrostipa scabra
Media resource of Austrostipa scabra
Map not
Available
Austrostipa semibarbata
Media resource of Austrostipa semibarbata
Map not
Available
Austrostipa setacea
Media resource of Austrostipa setacea
Map not
Available
Austrostipa stipoides
Media resource of Austrostipa stipoides
Map not
Available
Austrostipa stuposa
Media resource of Austrostipa stuposa
Map not
Available
Austrostipa tenuifolia
Media resource of Austrostipa tenuifolia
Map not
Available
Austrostipa trichophylla
Media resource of Austrostipa trichophylla
Map not
Available
Austrostipa tuckeri
Media resource of Austrostipa tuckeri
Map not
Available
Austrostipa variabilis
Media resource of Austrostipa variabilis
Map not
Available
Austrostipa velutina
Media resource of Austrostipa velutina
Map not
Available
Austrostipa verticillata
Media resource of Austrostipa verticillata
Map not
Available
Austrostipa vickeryana
Media resource of Austrostipa vickeryana
Map not
Available
Austrostipa wakoolica
Media resource of Austrostipa wakoolica
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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