Difference between revisions of "Sporobolus jacquemontii"
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| − | |discussion=<p>Sporobolus jacquemontii, like S. indicus, is native to North America. It is not a common species in the Flora region, being known only from coastal and low elevation sites in Florida. It is sometimes included in S. indicus (Baaijens and Veldkamp 1991) or S. pyramidalis P. Beauv. (Laegaard and Peterson 2001), but is retained here pending more definitive study.</p> | + | |discussion=<p><i>Sporobolus jacquemontii</i>, like <i>S. indicus</i>, is native to North America. It is not a common species in the Flora region, being known only from coastal and low elevation sites in Florida. It is sometimes included in <i>S. indicus</i> (Baaijens and Veldkamp 1991) or S. pyramidalis P. Beauv. (Laegaard and Peterson 2001), but is retained here pending more definitive study.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Sporobolus jacquemontii | name=Sporobolus jacquemontii | ||
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|authority=Kunth | |authority=Kunth | ||
|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 | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_201.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; densely cespitose, not rhizomatous. Culms 40-100 cm. Sheaths keeled or rounded, glabrous, apices ciliate; ligules 0.2-0.4 mm; blades 10-40 cm long, 2-4 mm wide, flat but soon becom¬ing involute, tapering to a fine point. Panicles 14-35 cm long, 0.4-3 cm wide, contracted, interrupted, and rather lax; primary branches appressed to strongly ascending, spikelet-bearing to the base, lower branches 1.5-5 cm, much longer than the adjacent internodes; pedicels 0.1-1.2(1.8) mm. Spikelets 1.4-1.8(2) mm, plumbeous to greenish. Lower glumes 0.3-0.5 mm, obtuse; upper glumes 0.4-0.7 mm, usually less than M as long as the florets, faintly 1-veined, truncate, erose to denticulate; lemmas 1.4-2 mm, elliptic, glabrous, 1-veined, acute; paleas 1.4-2 mm, elliptic; anthers 3(2), 0.9-1.1 mm. Fruits 0.7-1 mm, quadrangular, laterally compressed, reddish-brown, truncate. 2n = 24.
Discussion
Sporobolus jacquemontii, like S. indicus, is native to North America. It is not a common species in the Flora region, being known only from coastal and low elevation sites in Florida. It is sometimes included in S. indicus (Baaijens and Veldkamp 1991) or S. pyramidalis P. Beauv. (Laegaard and Peterson 2001), but is retained here pending more definitive study.
Selected References
None.