View source for Ophioglossum petiolatum

{{Treatment/ID
|accepted_name=Ophioglossum petiolatum
|accepted_authority=Hooker
|publications={{Treatment/Publication
|title=Exot. Fl.
|place=1: 56. 1823
|year=1823
}}
|common_names=Stalked adder's-tongue
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Ophioglossaceae;Ophioglossum;Ophioglossum petiolatum
|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 petiolatum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>dark brown, to 8 per plant, 0.8-1.3 mm diam., producing proliferations. <b>Stem</b> upright, 0.3-1 cm, 1.5-2.5mm diam., 2-3 leaves per stem. <b>Trophophore</b> stalk 0-3mm, 0-0.1 times length of blade. <b>Trophophore</b> blade erect to spreading, usually plane or nearly so when alive, gray-green, dull, ovate to trowel-shaped, to 6 × 3cm, fleshy, cuneate to truncate to nearly cordate at base, contracted gradually to acute apex, apiculum mostly absent; venation coarse, reticulate, areoles large with few free or anastomosing included veinlets. <b>Sporophores</b> arising at ground level, 0.8-7 times length of trophophore; sporangial clusters to 4 × 0.35 cm, with up to 30 pairs of sporangia, apiculum 0.3-1.2 mm.</span><!--

-->{{Treatment/Body
|phenology=Leaves appearing during wet periods.
|habitat=Plants sometimes weedy in lawns, ditches, and around buildings
|elevation=0-90m
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;Okla.;S.C.;Tex.;Va.;West Indies;Mexico;n South America;Asia;Pacific Islands.
|introduced=true
|discussion=<p><i>Ophioglossum petiolatum</i> grows readily in pots, making it suitable for botany instruction. Earliest records in North America date from 1900 to 1930, suggesting that it is probably introduced.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ophioglossum petiolatum
|authority=Hooker
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Ophioglossaceae
|phenology=Leaves appearing during wet periods.
|habitat=Plants sometimes weedy in lawns, ditches, and around buildings
|elevation=0-90m
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;Okla.;S.C.;Tex.;Va.;West Indies;Mexico;n South America;Asia;Pacific Islands.
|introduced=true
|reference=None
|publication title=Exot. Fl.
|publication year=1823
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_324.xml
|genus=Ophioglossum
|species=Ophioglossum petiolatum
}}<!--

-->[[Category:Treatment]][[Category:Ophioglossum]]