Difference between revisions of "Aristida patula"
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|publications= | |publications= | ||
|common_names=Tall threeawn | |common_names=Tall threeawn | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
|distribution=Fla. | |distribution=Fla. | ||
| − | |discussion=<p>Aristida patula grows in sandy fields, low pinelands, and roadsides. It is endemic to Florida.</p> | + | |discussion=<p><i>Aristida patula</i> grows in sandy fields, low pinelands, and roadsides. It is endemic to Florida.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Aristida patula | name=Aristida patula | ||
| − | |||
|authority=Chapm. ex Nash | |authority=Chapm. ex Nash | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Andy Sudkamp | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Fla. | |distribution=Fla. | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_989.xml |
|subfamily=Poaceae subfam. Aristidoideae | |subfamily=Poaceae subfam. Aristidoideae | ||
|tribe=Poaceae tribe Aristideae | |tribe=Poaceae tribe Aristideae | ||
Latest revision as of 18:59, 11 May 2021
Plants perennial; loosely cespitose, bases knotty, sometimes shortly rhizomatous. Culms (60)70-100 cm, stiffly erect, unbranched. Leaves cauline; sheaths longer than the internodes, mostly glabrous, summit with hairs; collars hispid, hairs 0.2-0.8 mm; ligules less than 0.5 mm; blades 20-55 cm long, 2-4 mm wide, light bluish-green, flat to loosely folded, glabrous abaxially, scabridulous adaxially. Inflorescences paniculate, 30-50 cm long, 15-25 cm wide; rachis nodes glabrous or with straight hairs shorter than 0.5 mm; primary branches 8-22 cm, ascending to divaricate or drooping, with axillary pulvini, basal portion without spikelets. Spikelets appressed along the branches. Glumes brown to purplish, 1-veined, with a 1-2 mm awn; lower glumes 10-13 mm, slightly longer than the upper glumes; calluses 0.5-1 mm; lemmas 10-12(15) mm, glabrous, light gray to brownish, narrowing to a beak, beak less than 7 mm, not or only slightly twisted, junction with the awns not conspicuous; awns unequal, not disarticulating at maturity; central awns 20-25 mm, straight; lateral awns 3-10 mm, to 1/2 as long as and about 1/2 as thick as the central awns, usually divergent; anthers 3, about 3 mm, yellow-green. Caryopses about 8 mm. 2n = unknown.
Discussion
Aristida patula grows in sandy fields, low pinelands, and roadsides. It is endemic to Florida.
Selected References
None.