Difference between revisions of "Sporobolus pinetorum"

Weakley & P.M. Peterson
Common names: Carolina dropseed
Treatment appears in FNA Volume 25. Treatment on page 137.
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Sporobolus pinetorum
 
name=Sporobolus pinetorum
|author=
 
 
|authority=Weakley & P.M. Peterson
 
|authority=Weakley & P.M. Peterson
 
|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=Ga.;N.C.;S.C.
 
|distribution=Ga.;N.C.;S.C.
 
|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_695.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_695.xml
 
|subfamily=Poaceae subfam. Chloridoideae
 
|subfamily=Poaceae subfam. Chloridoideae
 
|tribe=Poaceae tribe Cynodonteae
 
|tribe=Poaceae tribe Cynodonteae

Latest revision as of 17:58, 11 May 2021

Plants perennial; cespitose, not rhizomatous. Culms (30)45-120 (180) cm. Sheaths shiny and indurate basally, glabrous or appressed hairy elsewhere, hairs to 5 mm, margins hyaline; ligules 0.2-0.6 mm; blades 20-50 cm long, 1.2-2(3) mm wide, flat, folded or involute, dark green, remaining so well into winter, glabrous on both surfaces or the adaxial surface sparsely hairy basally, margins scabridulous. Panicles 15-30 cm long, 2-6 cm wide, open (contracted when immature), longer than wide, pyramidal to ovate, not diffuse; lower nodes with 1-2(3) branches; primary branches 2-8 cm, appressed or spreading to 50° from the rachis, not capillary, without spikelets on the lower 1/3; secondary branches spreading; pulvini hairy or glabrous; pedicels 2-22 mm, longer than the spikelets, spreading, glabrous, scabridulous. Spikelets 3.5-6.5 mm, purplish-brown. Glumes linear-lanceolate, membranous; lower glumes 2.4-4.5 mm, 0.6-0.83 times as long as the upper glumes; upper glumes (3.5)4-6(6.5) mm, as long as or longer than the florets; lemmas 3.4-4.3 mm, ovate to lanceolate, membranous, glabrous, acute; paleas 3.4-4.4 mm, ovate, membranous, glabrous; anthers 2.5-3.4 mm, purplish. Fruits 1.8-2.2 mm, fusiform, brown. 2n = unknown.

Discussion

Sporobolus pinetorum grows in wet to moist pine woodlands, in soils seasonally to semi-permanently saturated, at elevations of 0-160 m. It is endemic to the southeastern United States.

Selected References

None.

Lower Taxa

None.