Difference between revisions of "Aira caryophyllea"
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|distribution=Wash.;Del.;D.C;Conn.;Mass.;N.Y.;Pacific Islands (Hawaii);Fla.;Wyo.;N.H.;N.J.;Tex.;La.;B.C.;N.S.;Yukon;Tenn.;N.C.;S.C.;Pa.;Calif.;Va.;Alaska;Ala.;Miss.;Ark.;Vt.;Ill.;Ga.;Ind.;Idaho;Md.;Ohio;Mo.;Okla.;Oreg. | |distribution=Wash.;Del.;D.C;Conn.;Mass.;N.Y.;Pacific Islands (Hawaii);Fla.;Wyo.;N.H.;N.J.;Tex.;La.;B.C.;N.S.;Yukon;Tenn.;N.C.;S.C.;Pa.;Calif.;Va.;Alaska;Ala.;Miss.;Ark.;Vt.;Ill.;Ga.;Ind.;Idaho;Md.;Ohio;Mo.;Okla.;Oreg. | ||
| − | |discussion=<p>Aira caryophyllea is native to Eurasia and Africa; it has become established in the Flora region, primarily on the Pacific, Gulf, and Atlantic coasts, and through much of the southeastern United States. It is usually found in disturbed areas, in vernally moist to dry, sandy to rocky, open sites, from sea level to subalpine elevations. It sometimes invades lawns or rock gardens.</p> | + | |discussion=<p><i>Aira caryophyllea</i> is native to Eurasia and Africa; it has become established in the Flora region, primarily on the Pacific, Gulf, and Atlantic coasts, and through much of the southeastern United States. It is usually found in disturbed areas, in vernally moist to dry, sandy to rocky, open sites, from sea level to subalpine elevations. It sometimes invades lawns or rock gardens.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Aira caryophyllea | name=Aira caryophyllea | ||
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|authority=L. | |authority=L. | ||
|rank=species | |rank=species | ||
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| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_874.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 20:25, 16 December 2019
Plants annual; tufted. Culms 4.5-55 cm, erect. Sheaths scabridulous, occasionally smooth; ligules 1.2-8 mm, abaxial surfaces scabridulous, acute to subobtuse, becoming lacerate; blades 0.3-13.5 cm long, 0.3-2.5 mm wide, antrorsely scabridulous, glabrous, apices prow-tipped. Panicles 1.2-13.5 cm long, 1.5-10 cm wide, open; primary branches to 7.3 cm, ascending to divergent, antrorsely scabridulous, occasionally smooth; pedicels 0.9-11.3 mm, apices enlarged. Spikelets 1.7-3.3(3.5) mm, silvery-green to stramineous or purplish; rachillas usually not prolonged beyond the base of the distal floret, sometimes prolonged, vestigial. Glumes subequal to equal, 1.3-3.3(3.5) mm, scabridulous on the upper 1/2; callus hairs 0.2-0.4 mm; lemmas 1.3-2.6 mm, apices bifid, sometimes only the upper lemma awned, awns 2.1-3.9 mm, straight or geniculate; paleas 0.9-1.7 mm; anthers 0.2-0.5 mm. Caryopses 0.9-1.5 mm long, 0.3-0.5 mm wide, abaxial surfaces grooved in the distal 1/2, adaxial surfaces grooved the entire length. 2n = 14.
Distribution
Wash., Del., D.C, Conn., Mass., N.Y., Pacific Islands (Hawaii), Fla., Wyo., N.H., N.J., Tex., La., B.C., N.S., Yukon, Tenn., N.C., S.C., Pa., Calif., Va., Alaska, Ala., Miss., Ark., Vt., Ill., Ga., Ind., Idaho, Md., Ohio, Mo., Okla., Oreg.
Discussion
Aira caryophyllea is native to Eurasia and Africa; it has become established in the Flora region, primarily on the Pacific, Gulf, and Atlantic coasts, and through much of the southeastern United States. It is usually found in disturbed areas, in vernally moist to dry, sandy to rocky, open sites, from sea level to subalpine elevations. It sometimes invades lawns or rock gardens.
Selected References
None.
Lower Taxa
Key
| 1 | Glumes subobtuse, usually denticulate, often mucronate; pedicels with abruptly thickened apices | Aira caryophyllea var. cupaniana |
| 1 | Glumes acute; pedicels gradually thickening to the apices. | > 2 |
| 2 | Pedicels usually 2-8 times as long as the spikelets; spikelets 1.7-2.5 mm long | Aira caryophyllea var. capillaris |
| 2 | Pedicels usually 1-2 times as long as the spikelets; spikelets 2-3.5 mm long | Aira caryophyllea var. caryophyllea |