Difference between revisions of "Glyceria acutiflora"
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|distribution=Conn.;N.J.;N.Y.;Del.;W.Va.;N.H.;Tenn.;Pa.;Mass.;R.I.;Vt.;Va.;Ala.;Ga.;Ind.;Maine;Md.;Ohio;Mo.;Mich.;Ky. | |distribution=Conn.;N.J.;N.Y.;Del.;W.Va.;N.H.;Tenn.;Pa.;Mass.;R.I.;Vt.;Va.;Ala.;Ga.;Ind.;Maine;Md.;Ohio;Mo.;Mich.;Ky. | ||
| − | |discussion=<p>Glyceria acutiflora grows in wet soils and shallow water of the northeastern United States, extending from Michigan and Missouri to the Atlantic coast between southwestern Maine and Delaware. Its long paleas make G. acutiflora the most distinctive North American species of sect. Glyceria.</p> | + | |discussion=<p><i>Glyceria acutiflora</i> grows in wet soils and shallow water of the northeastern United States, extending from Michigan and Missouri to the Atlantic coast between southwestern Maine and Delaware. Its long paleas make <i>G. acutiflora</i> the most distinctive North American species of sect. <i>Glyceria</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Glyceria acutiflora | name=Glyceria acutiflora | ||
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|authority=Torr. | |authority=Torr. | ||
|rank=species | |rank=species | ||
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|family=Poaceae | |family=Poaceae | ||
|illustrator=Cindy Roché | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Conn.;N.J.;N.Y.;Del.;W.Va.;N.H.;Tenn.;Pa.;Mass.;R.I.;Vt.;Va.;Ala.;Ga.;Ind.;Maine;Md.;Ohio;Mo.;Mich.;Ky. | |distribution=Conn.;N.J.;N.Y.;Del.;W.Va.;N.H.;Tenn.;Pa.;Mass.;R.I.;Vt.;Va.;Ala.;Ga.;Ind.;Maine;Md.;Ohio;Mo.;Mich.;Ky. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_98.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Meliceae | |tribe=Poaceae tribe Meliceae | ||
Revision as of 20:26, 16 December 2019
Plants perennial. Culms 30-100 cm tall, 3-6 mm thick, spongy, usually decumbent and rooting at the lower nodes. Sheaths smooth, weakly keeled; ligules 5-9 mm; blades 10-15 cm long, 3-8 mm wide, abaxial surfaces smooth, adaxial surfaces of the midcauline leaves often papillose. Inflorescences often racemes, sometimes panicles, 15-35 cm long, 1-2 cm wide, open at anthesis, bases often enclosed in the flag leaf sheaths at maturity; branches 5.5-8 cm (absent in racemose plants), solitary or in pairs, appressed, most branches with 1-3 spikelets, the lower branches sometimes with more than 3; pedicels 1.5-2.5 mm. Spikelets 20-45 mm long, 2.5-3 mm wide, cylindrical and terete except slightly laterally compressed at anthesis, rectangular in side view, with 5-12 florets. Glumes unequal, acute; lower glumes 1.3-4.5 mm; upper glumes 3-7 mm; rachilla internodes 2-3 mm; lemmas 6-8.5 mm, scabridulous, 7-veined, gradually tapering from near midlength to the narrowly acute (< 45°) or acuminate apices; paleas 0.7-3 mm longer than the lemmas, keels winged, tips parallel, intercostal region truncate, often splitting, apices appearing bifid, with 0.4-1 mm teeth; anthers 3, 1-2 mm. Caryopses about 3 mm. 2n = 40.
Distribution
Conn., N.J., N.Y., Del., W.Va., N.H., Tenn., Pa., Mass., R.I., Vt., Va., Ala., Ga., Ind., Maine, Md., Ohio, Mo., Mich., Ky.
Discussion
Glyceria acutiflora grows in wet soils and shallow water of the northeastern United States, extending from Michigan and Missouri to the Atlantic coast between southwestern Maine and Delaware. Its long paleas make G. acutiflora the most distinctive North American species of sect. Glyceria.
Selected References
None.