Difference between revisions of "Isoëtes acadiensis"
Canad. J. Bot. 59: 2592. 1981.
Common names: Acadian quillwort
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>aquatic, submerged. <b>Rootstock</b> nearly globose 2(–3)-lobed. <b>Leaves</b> evergreen, olive green to reddish brown, pale toward base, spirally arranged, to 20 cm, pliant, gradually tapering to tip. <b>Velum</b> covering less than 1/2 of sporangium. <b>Sporangium</b> wall brown-streaked. <b>Megaspores</b> white, 400-650 μm diam., rugulate to reticulate with ridges having rounded or smooth crests; girdle smooth. <b>Microspores</b> gray in mass, 25–35 μm, spinulose. <b>2n</b> = 44.</span><!-- |
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| + | |phenology=Spores mature in late summer. | ||
|habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | |habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | ||
| − | |distribution=N.B.;Nfld.;N.S.;Mass.;Maine;N.H.;N.Y. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Mass.;Maine;N.H.;N.Y. |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Isoëtes acadiensis | name=Isoëtes acadiensis | ||
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|authority=Kott | |authority=Kott | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Isoëtaceae | |family=Isoëtaceae | ||
| + | |phenology=Spores mature in late summer. | ||
|habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | |habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | ||
| − | |distribution=N.B.;Nfld.;N.S.;Mass.;Maine;N.H.;N.Y. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Mass.;Maine;N.H.;N.Y. |
|reference=None | |reference=None | ||
|publication title=Canad. J. Bot. | |publication title=Canad. J. Bot. | ||
|publication year=1981 | |publication year=1981 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_632.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes acadiensis | |species=Isoëtes acadiensis | ||
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-->[[Category:Treatment]][[Category:Isoëtes]] | -->[[Category:Treatment]][[Category:Isoëtes]] | ||
Latest revision as of 20:24, 5 November 2020
Plants aquatic, submerged. Rootstock nearly globose 2(–3)-lobed. Leaves evergreen, olive green to reddish brown, pale toward base, spirally arranged, to 20 cm, pliant, gradually tapering to tip. Velum covering less than 1/2 of sporangium. Sporangium wall brown-streaked. Megaspores white, 400-650 μm diam., rugulate to reticulate with ridges having rounded or smooth crests; girdle smooth. Microspores gray in mass, 25–35 μm, spinulose. 2n = 44.
Phenology: Spores mature in late summer.
Habitat: Emergent or in shalow water of slightly acid lakes, ponds, and streams
Distribution
N.B., Nfld. and Labr. (Nfld.), N.S., Mass., Maine, N.H., N.Y.
Discussion
Selected References
None.
Lower Taxa
None.