Difference between revisions of "Nassella chilensis"
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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> | + | |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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name=Nassella chilensis | name=Nassella chilensis | ||
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|authority=(Trin.) E. Desv. | |authority=(Trin.) E. Desv. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda Ann Vorobik | ||
| + | |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:// | + | |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.