Difference between revisions of "Andropogon floridanus"

Scribn.
Common names: Florida bluestem
Treatment appears in FNA Volume 25. Treatment on page 655.
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Andropogon floridanus
 
name=Andropogon floridanus
|author=
 
 
|authority=Scribn.
 
|authority=Scribn.
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
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|illustrator=Linda A. Vorobik;Hana Pazdírková
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|illustration copyright=Utah State University
 
|distribution=Fla.;Ala.;Ga.
 
|distribution=Fla.;Ala.;Ga.
 
|reference=None
 
|reference=None
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|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V25/V25_1582.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1582.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Andropogoneae
 
|tribe=Poaceae tribe Andropogoneae

Revision as of 21:31, 16 December 2019

Plants cespitose, usually densely obpyramidal to oblanceolate above. Culms 70-210 cm; internodes occasionally somewhat glaucous just below the node; branches straight, mostly erect to ascending. Sheaths often scabrous, somteimes smooth; ligules 0.4-1.2 mm, ciliate, cilia 0.2-1.3 mm; blades 32-61 cm long, 2.9-5 mm wide, glabrous, rarely sparsely pubescent. Inflorescence units (9)50-210 per culm; subtending sheaths (3)4-5.9(7) cm long, (1.5)2-2.7(3.6) mm wide; peduncles (10)19-48(93) mm, with 2(4) rames; rames (2)2.5-3.7(4.5) cm, usually exserted at maturity, internodes evenly pubescent. Sessile spikelets (3.8)4.4-4.8(5.5) mm; callus hairs 1-3 mm; keels of lower glumes glabrous below midlength; awns 5-15 mm; anthers 1(3), 1.3-2 mm, usually yellow (sometimes purple). Pedicellate spikelets vestigial or absent. 2n = 20.

Discussion

Andropogon floridanus grows on sandy soils in southeastern Georgia and Florida, being most abundant in Pinus clausa scrublands. It usually occurs in small stands, but stands of about a hundred individuals have been observed.

Selected References

None.

Lower Taxa

None.