Difference between revisions of "Leptochloa fusca subsp. fascicularis"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Leptochloa fascicularis var. maritima | |name=Leptochloa fascicularis var. maritima | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Leptochloa fascicularis var. acuminata | |name=Leptochloa fascicularis var. acuminata | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Leptochloa fascicularis | |name=Leptochloa fascicularis | ||
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| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Leptochloa acuminata | |name=Leptochloa acuminata | ||
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|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Leptochloa;Leptochloa fusca;Leptochloa fusca subsp. fascicularis | |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Leptochloa;Leptochloa fusca;Leptochloa fusca subsp. fascicularis | ||
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name=Leptochloa fusca subsp. fascicularis | name=Leptochloa fusca subsp. fascicularis | ||
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|authority=(Lam.) N. Snow | |authority=(Lam.) N. Snow | ||
|rank=subspecies | |rank=subspecies | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Karen Klitz | ||
| + | |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_87.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 17:59, 11 May 2021
Culms 5-110 cm, prostrate (in small circular clumps) to erect. Blades glabrous or scabrous, uppermost blades often exceeding the panicles. Panicles (1.5)10-72 cm long, 4-22 cm wide, with 3-35 branches, usually partially enclosed in the uppermost leaf sheaths; branches 3-12(22) cm, often spreading. Spikelets 5-12 mm. Lower glumes 2-3 mm, lanceolate, sometimes asymmetric; upper glumes 2.5-5 mm, elliptic to ovate; lemmas lanceolate, smoky white at maturity, often with a dark spot on the basal 1/2, apices acute, mucronate, or awned, awns to 3.5 mm; anthers 1-3, 0.2-0.5 mm. Caryopses 0.8-2 mm.
Discussion
Leptochloa fusca subsp. fascicularis extends from southern British Columbia and Ontario to Argentina, although it has not yet been reported from Georgia. Coastal populations from Massachusetts to Florida with long lemma awns have been called L. fascicularis var. maritima (E.P. Bicknell) Gleason. They do not merit taxonomic recognition because long awns and salinity tolerance are common throughout the species.
Leptochla fusca subsp. fascicularis differs from L. viscida, which grows in the same region, in its longer panicles, frequently unawned or mucronate lemmas, and whitish florets.
Selected References
None.