Difference between revisions of "Nassella chilensis"

(Trin.) E. Desv.
Common names: Chilean tussockgrass
Treatment appears in FNA Volume 24. Treatment on page 177.
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|distribution=Oreg.
 
|distribution=Oreg.
|discussion=<p>Nassella chilensis is an Andean species that was once collected from a ballast dump in Portland, Oregon. It is not established in the Flora region.</p>
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|discussion=<p><i>Nassella chilensis</i> is an Andean species that was once collected from a ballast dump in Portland, Oregon. It is not established in the Flora region.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
name=Nassella chilensis
 
name=Nassella chilensis
|author=
 
 
|authority=(Trin.) E. Desv.
 
|authority=(Trin.) E. Desv.
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
|illustrator=Linda A. Vorobik
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|illustrator=Linda Ann Vorobik
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|illustration copyright=Utah State University
 
|distribution=Oreg.
 
|distribution=Oreg.
 
|reference=None
 
|reference=None
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|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V24/V24_243.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_243.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Stipeae
 
|tribe=Poaceae tribe Stipeae

Latest revision as of 16:22, 11 May 2021

Plants perennial; shortly rhizomatous, appearing cespitose, rhizomes slender, somewhat woody. Culms 30-100 cm tall, 0.4-0.7 mm thick, bases somewhat bulblike, erect, geniculate and often branching intra-vaginally at the lower cauline nodes, internodes glabrous; nodes 5-8+, glabrous. Sheaths mostly glabrous, throats sometimes ciliate; collars sparsely hairy, with tufts of hair at the sides, hairs 0.5-1.3 mm; ligules 0.2-0.3 mm, truncate, usually ciliate; blades 3-10 cm long, 1-1.5 mm wide, strongly convolute, stiff, abaxial surfaces glabrous, adaxial surfaces with coarse hairs. Panicles 2-20 cm; branches 0.4-1.2 cm, with 1-4 spikelets; pedicels 0.5-4 mm. Glumes subequal, 3-4.5 mm long, 1.1-1.6 mm wide, ovate, 3-veined, glabrous or puberulent, acuminate; florets 1.6-2.2 mm long, 0.6-0.9 mm wide, obovate to oblong, terete, widest near the top; calluses 0.2-0.3 mm, obtuse, glabrous; lemmas glabrous, smooth, lustrous, transition to the crown not evident; crowns about 0.1 mm long and wide, not differing in texture from the lemmas; awns 7-10 mm, eccentric, rapidly deciduous; anthers about 1 mm or 0.3-0.4 mm, florets with longer anthers presumably chasmogamous, those with shorter anthers presumably cleistogamous. Caryopses about 1 mm. 2n = 42.

Discussion

Nassella chilensis is an Andean species that was once collected from a ballast dump in Portland, Oregon. It is not established in the Flora region.

Selected References

None.

Lower Taxa

None.