Difference between revisions of "Lagurus ovatus"

L.
Common names: Haretail grass
Treatment appears in FNA Volume 24. Treatment on page 670.
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|distribution=N.J.;Alta.;Ont.;Que.;Calif.;N.C.;Fla.;Oreg.;Conn.
 
|distribution=N.J.;Alta.;Ont.;Que.;Calif.;N.C.;Fla.;Oreg.;Conn.
|discussion=<p>Lagurus ovatus grows in disturbed sites in full sun. It is a waif, or sparingly naturalized, in North Carolina and western Florida; it is established and plentiful in central California. It may not have persisted at the other sites shown. The earliest collection from the United States was made in California in 1903. It is an attractive species and is sometimes grown as an ornamental.</p><!--
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|discussion=<p><i>Lagurus ovatus</i> grows in disturbed sites in full sun. It is a waif, or sparingly naturalized, in North Carolina and western Florida; it is established and plentiful in central California. It may not have persisted at the other sites shown. The earliest collection from the United States was made in California in 1903. It is an attractive species and is sometimes grown as an ornamental.</p><!--
--><p>Natural populations of Lagurus ovatus in southern Europe contain both tall and short plants, flowering at about the same time. Protracted germination, followed by simultaneous floral induction at a 12-16 hour photoperiod, leads to the apparent "dimorphism". Plants are quite uniform in height when grown under controlled conditions indoors (Vergagno Gambi 1965).</p>
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--><p>Natural populations of <i>Lagurus ovatus</i> in southern Europe contain both tall and short plants, flowering at about the same time. Protracted germination, followed by simultaneous floral induction at a 12-16 hour photoperiod, leads to the apparent "dimorphism". Plants are quite uniform in height when grown under controlled conditions indoors (Vergagno Gambi 1965).</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
name=Lagurus ovatus
 
name=Lagurus ovatus
|author=
 
 
|authority=L.
 
|authority=L.
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
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|illustrator=Linda Ann Vorobik;Hana Pazdírková
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|illustration copyright=Utah State University
 
|distribution=N.J.;Alta.;Ont.;Que.;Calif.;N.C.;Fla.;Oreg.;Conn.
 
|distribution=N.J.;Alta.;Ont.;Que.;Calif.;N.C.;Fla.;Oreg.;Conn.
 
|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/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V24/V24_944.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_944.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Latest revision as of 16:26, 11 May 2021

Culms (6)10-50(80) cm. Sheaths (0.5)2-8 cm, inflated, ribbed; ligules 1-1.7(3) mm; blades 2-6(10) cm long, 2.5-10 mm wide. Panicles 1.5-3 cm long, 1-2 cm wide; branches softly pilose, hairs white, about 0.4 mm, awns and glume veins sometimes purplish; pedicels 0.4-1(2) mm, pilose. Glumes (5.5)7-10 mm, awns 1.5-3 mm; rachillas prolonged 0.7-1.4 mm; calluses hairy, hairs to 0.8 mm; lemmas 3.5-4.5 mm, lateral awns 1-2(6) mm, central awns (8)12-22 mm; paleas 3-4 mm; anthers 1.4-2.2 mm. Caryopses 2-2.5 mm. 2n = 14.

Distribution

N.J., Alta., Ont., Que., Calif., N.C., Fla., Oreg., Conn.

Discussion

Lagurus ovatus grows in disturbed sites in full sun. It is a waif, or sparingly naturalized, in North Carolina and western Florida; it is established and plentiful in central California. It may not have persisted at the other sites shown. The earliest collection from the United States was made in California in 1903. It is an attractive species and is sometimes grown as an ornamental.

Natural populations of Lagurus ovatus in southern Europe contain both tall and short plants, flowering at about the same time. Protracted germination, followed by simultaneous floral induction at a 12-16 hour photoperiod, leads to the apparent "dimorphism". Plants are quite uniform in height when grown under controlled conditions indoors (Vergagno Gambi 1965).

Selected References

None.

Lower Taxa

None.