Difference between revisions of "Isoëtes bolanderi"
Amer. Naturalist 8: 214. 1874.
Common names: Bolander's quillwort
Synonyms: Isoëtes bolanderi var. parryi EngelmannIsoëtes californica EngelmannIsoëtes pygmaea unknown
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, occasionally emergent. <b>Rootstock</b> nearly globose, 2-lobed. <b>Leaves</b> deciduous, bright green, pale brown toward base, spirally arranged, to 20 cm, pliant, abruptly tapering to fine tip. <b>Velum</b> covering less than 1/2 of sporangium. <b>Sporangium</b> wall ± brown-streaked. <b>Megaspores</b> white, 300–500 μm diam., rugulate to tuberculate; girdle obscure. <b>Microspores</b> brown in mass, 20–30 μm, spinulose. <b>2n</b> = 22.</span><!-- |
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| + | |phenology=Spores mature late summer. | ||
|habitat=Alpine or subalpine lakes and ponds | |habitat=Alpine or subalpine lakes and ponds | ||
|distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | ||
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|basionyms= | |basionyms= | ||
|family=Isoëtaceae | |family=Isoëtaceae | ||
| + | |phenology=Spores mature late summer. | ||
|habitat=Alpine or subalpine lakes and ponds | |habitat=Alpine or subalpine lakes and ponds | ||
|distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | ||
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|publication year=1874 | |publication year=1874 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_308.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes bolanderi | |species=Isoëtes bolanderi | ||
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Revision as of 14:16, 27 July 2019
Plants aquatic, occasionally emergent. Rootstock nearly globose, 2-lobed. Leaves deciduous, bright green, pale brown toward base, spirally arranged, to 20 cm, pliant, abruptly tapering to fine tip. Velum covering less than 1/2 of sporangium. Sporangium wall ± brown-streaked. Megaspores white, 300–500 μm diam., rugulate to tuberculate; girdle obscure. Microspores brown in mass, 20–30 μm, spinulose. 2n = 22.
Phenology: Spores mature late summer.
Habitat: Alpine or subalpine lakes and ponds
Distribution
Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.
Discussion
Small plants with leaves less than 2.5 cm have been called Isoëtes bolanderi var. pygmaea (Engelmann) Clute.
Isoëtes bolanderi hybridizes with I. echinospora and I. occidentalis.
Selected References
None.
Lower Taxa
None.