View source for Isoëtes virginica

{{Treatment/ID
|accepted_name=Isoëtes virginica
|accepted_authority=N. E. Pfeiffer
|publications={{Treatment/Publication
|title=Claytonia
|place=3: 29. 1937
|year=1937
}}
|common_names=Virginia quillwort
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Isoëtes virginica var. piedmontana
|authority=N. E. Pfeiffer
}}{{Treatment/ID/Synonym
|name=Isoëtes piedmontana
|authority=unknown
}}
|hierarchy=Isoëtaceae;Isoëtes;Isoëtes virginica
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Isoëtaceae]]</div><div class="higher-taxon"><small>genus</small>[[Isoëtes]]</div><div class="higher-taxon"><small>species</small>[[Isoëtes virginica]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>becoming terrestrial. <b>Rootstock</b> nearly globose, 2-lobed. <b>Leaves</b> deciduous, dull green, pale to dark brown toward base, spirally arranged, less than 30 cm, pliant, gradually tapering to tip. <b>Velum</b> covering less than 1/3 of sporangium. <b>Sporangium</b> wall brown-streaked to completely brown. <b>Megaspores</b> white, 400–480 μm diam., boldly tuberculate to rugulate with cristate, occasionally branched to anastomosing ridges; girdle obscure. <b>Microspores</b> light brown in mass, 27–33 μm, spinulose. <b>2n</b> = 22, 44.</span><!--

-->{{Treatment/Body
|phenology=Spores mature late in spring–early summer.
|habitat=Mud flats and depressions on and around granite outcrops
|distribution=Ala.;Ga.;S.C.;Va.
|discussion=<p>Short plants with 15 to 50 leaves and a tendency toward lower and more open megaspore ornamentation have been called Isoëtes virginica var. piedmontana Pfeiffer.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Isoëtes virginica
|author=
|authority=N. E. Pfeiffer
|rank=species
|parent rank=genus
|synonyms=Isoëtes virginica var. piedmontana;Isoëtes piedmontana
|basionyms=
|family=Isoëtaceae
|phenology=Spores mature late in spring–early summer.
|habitat=Mud flats and depressions on and around granite outcrops
|distribution=Ala.;Ga.;S.C.;Va.
|reference=None
|publication title=Claytonia
|publication year=1937
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_253.xml
|genus=Isoëtes
|species=Isoëtes virginica
}}<!--

-->[[Category:Treatment]][[Category:Isoëtes]]