Difference between revisions of "Aristida condensata"
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|common_names=Big threeawn | |common_names=Big threeawn | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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name=Aristida condensata | name=Aristida condensata | ||
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|authority=Chapm. | |authority=Chapm. | ||
|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=Ga.;N.C.;Ala.;S.C.;Miss.;Fla. | |distribution=Ga.;N.C.;Ala.;S.C.;Miss.;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_1030.xml |
|subfamily=Poaceae subfam. Aristidoideae | |subfamily=Poaceae subfam. Aristidoideae | ||
|tribe=Poaceae tribe Aristideae | |tribe=Poaceae tribe Aristideae | ||
Latest revision as of 17:55, 11 May 2021
Plants perennial; bases knotty, bleached, not rhizomatous. Culms 70-150 cm tall, 3-6 mm thick at the base, erect, rarely branched. Leaves mostly cauline; sheaths usually longer than the internodes, remaining intact at maturity, glabrous or appressed pilose; collars glabrous or pilose at the sides; ligules less than 0.5 mm; blades (10)15-30 cm long, 1.5-3 mm wide, flat at the base, involute toward the apex, straight to somewhat lax at maturity, glabrous abaxially, yellowish-green when fresh, drying stramineous or darker. Inflorescences paniculate, (15)20-55 cm long, 2-4 cm wide; nodes glabrous or with short, straight hairs; primary branches (4)5-20 cm, appressed to narrowly ascending, without axillary pulvini, naked below, with 5-15 overlapping spikelets distally. Glumes 6-10(12) mm, 1-veined, 1-keeled, awns less than 4 mm, brownish; lower glumes from 3/4 as long as to 1 mm longer than the upper glumes; calluses 1-2 mm; lemmas 5-8 mm, often reddish-mottled, apices not strongly twisted, junction with the awns not evident; awns about equally thick, divergent, spirally contorted at the base but usually not with distinct coils, not disarticulating at maturity; central awns 10-15 mm; lateral awns 8-13 mm; anthers 3, about 2 mm. Caryopses 4-5 mm, chestnut-colored. 2n = unknown.
Distribution
Ga., N.C., Ala., S.C., Miss., Fla.
Discussion
Aristida condensata grows on sandy hills, and in pine and oak barrens in the southeastern United States.
Selected References
None.