Difference between revisions of "Chasmanthium sessiliflorum"
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|publications= | |publications= | ||
|common_names=Longleaf chasmanthium | |common_names=Longleaf chasmanthium | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Uniola sessiliflora | |name=Uniola sessiliflora | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Chasmanthium laxum subsp. sessiliflorum | |name=Chasmanthium laxum subsp. sessiliflorum | ||
| − | |authority= | + | |authority= |
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Centothecoideae;Poaceae tribe Centotheceae;Chasmanthium;Chasmanthium sessiliflorum | |hierarchy=Poaceae;Poaceae subfam. Centothecoideae;Poaceae tribe Centotheceae;Chasmanthium;Chasmanthium sessiliflorum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Chasmanthium sessiliflorum | name=Chasmanthium sessiliflorum | ||
| − | |||
|authority=(Poir.) H.O. Yates | |authority=(Poir.) H.O. Yates | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Va.;Okla.;Miss.;Tex.;La.;Mo.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ga.;Fla. | |distribution=Va.;Okla.;Miss.;Tex.;La.;Mo.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ga.;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_1038.xml |
|subfamily=Poaceae subfam. Centothecoideae | |subfamily=Poaceae subfam. Centothecoideae | ||
|tribe=Poaceae tribe Centotheceae | |tribe=Poaceae tribe Centotheceae | ||
Latest revision as of 17:55, 11 May 2021
Culms 60-150 cm, (1)2-3.5 mm thick at the nodes, unbranched, leafy for 40% of their height. Sheaths pilose; collars pilose; ligules 0.2-0.3 mm, entire; blades (15)20-50 cm long, 4.5-9.5(15) mm wide, linear-lanceolate, sparsely pilose adaxially. Panicles (9)20-70 cm, contracted or open, erect; branches tightly appressed or ascending to strongly divergent; axils of panicle branches glabrous or scabridulous at the edges; pedicels 0.3-2.5(5) mm. Spikelets 4-10 mm long, 6-9 mm wide, with 4-7(8) florets, lower 1(2) florets sterile, fertile florets divergent to 80°. Lower glumes 1.2-2.7 mm, 3-5-veined; upper glumes 1.4-2.2 mm, 3-5-veined; calluses glabrous; fertile lemmas 3.5-5.9 mm, usually curved or irregularly contorted, 7-9-veined, keels not winged, apices scabridulous; paleas 2.8-4 mm; anthers (0.8)1.3-1.6 mm, varying in length within a spikelet. Caryopses 2-2.5 mm, exposed at maturity. 2n = 24.
Distribution
Va., Okla., Miss., Tex., La., Mo., Ala., Tenn., N.C., S.C., Ark., Ga., Fla.
Discussion
Chasmanthium sessiliflorum grows in rich woods, meadows, and swamps, especially on the coastal plain. It grows throughout most of the southeastern United States.
Selected References
None.