View source for Ophioglossum crotalophoroides

{{Treatment/ID
|accepted_name=Ophioglossum crotalophoroides
|accepted_authority=Walter
|publications={{Treatment/Publication
|title=Fl. Carol.
|place=256. 1788
|year=1788
}}
|common_names=Bulbous adder's-tongue
|basionyms=
|synonyms=
|hierarchy=Ophioglossaceae;Ophioglossum;Ophioglossum crotalophoroides
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ophioglossaceae]]</div><div class="higher-taxon"><small>genus</small>[[Ophioglossum]]</div><div class="higher-taxon"><small>species</small>[[Ophioglossum crotalophoroides]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>to 20 per plant, blackish, usually extremely narrow, often almost hairlike, less than 0.1 mm diam., proliferations not reported. <b>Stems</b> spheric, 3-12 mm diam., succulent, cormlike with perforation at apex, apical meristem located at bottom of cavity through which leaves emerge at top, leaves 2 per stem. <b>Trophophore</b> stalk to 0.6cm, 0.1-0.2 times as long as trophophore blade. <b>Trophophore</b> blade lying nearly flat on ground, not folded longitudinally, pale green throughout, deltate to cordate, to 3 × 2 cm, contracted abruptly at truncate to cordate base, apex with apiculum. <b>Venation</b> coarsely reticulate with included veinlets. <b>Sporophores</b> arising at ground level, 1-5 times as long as trophophore; sporangial clusters usually short, less than 1 cm, 2-3 mm wide, with 3-8 pairs of sporangia, apiculum to 1.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Leaves appearing mainly in late winter and early spring, sometimes also appearing later in season after heavy rains.
|habitat=Second-growth fields, vacant lots, roadside ditches, and lawns
|elevation=0-100 m
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;S.C.;Tex.;widespread in tropical highlands;Mexico;West Indies;Central America;South America.
|discussion=<p>Ophioglossum crotalophoroides is very remarkable morphologically for its highly modified stem and threadlike nonproliferous roots. The gametophyte is disclike (M.R. Mesler 1973). It is especially common in lawns and cemeteries in the southeastern United States.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Ophioglossum crotalophoroides
|author=
|authority=Walter
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Ophioglossaceae
|phenology=Leaves appearing mainly in late winter and early spring, sometimes also appearing later in season after heavy rains.
|habitat=Second-growth fields, vacant lots, roadside ditches, and lawns
|elevation=0-100 m
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;S.C.;Tex.;widespread in tropical highlands;Mexico;West Indies;Central America;South America.
|reference=None
|publication title=Fl. Carol.
|publication year=1788
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_33.xml
|genus=Ophioglossum
|species=Ophioglossum crotalophoroides
}}<!--

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