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
|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-d0_s0" data-properties="root coloration;root count;root diameter"><b>Roots </b>dark-brown, to 8 per plant, 0.8-1.3 mm diam., producing proliferations.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem some measurement;stem diameter;stem count"><b>Stem </b>upright, 0.3-1 cm, 1.5-2.5mm diam., 2-3 leaves per stem.</span> <span class="statement" id="st-d0_s2" data-properties="trophophore stalk some measurement;trophophore stalk length"><b>Trophophore </b>stalk 0-3mm, 0-0.1 times length of blade.</span> <span class="statement" id="st-d0_s3" data-properties="trophophore blade orientation;trophophore blade orientation;trophophore blade orientation;trophophore blade shape;trophophore blade shape;trophophore blade coloration;trophophore blade reflectance;trophophore blade shape;trophophore blade shape;trophophore blade shape;trophophore blade length;trophophore blade width;trophophore blade texture;trophophore blade shape;trophophore blade shape;trophophore blade shape;trophophore blade shape;trophophore blade condition or size;apex shape"><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;</span> <span class="statement" id="st-d0_s4" data-properties="apiculum count;apiculum relief;apiculum architecture or coloration or relief;areole size;included veinlet count;included veinlet fusion;included veinlet architecture">venation coarse, reticulate, areoles large with few free or anastomosing included veinlets.</span> <span class="statement" id="st-d0_s5" data-properties=""><b>Sporophores </b>arising at ground level, 0.8-7 times length of trophophore;</span> <span class="statement" id="st-d0_s6" data-properties="sporophore orientation;sporophore length;sporophore structure in adjective form;pair arrangement;pair count;apiculum some measurement">sporangial clusters to 4 × 0.35 cm, with up to 30 pairs of sporangia, apiculum 0.3-1.2 mm.</span><!--

-->{{Treatment/Body
|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.
|discussion=<p>Ophioglossum petiolatum 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
|author=
|authority=Hooker
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Ophioglossaceae
|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.
|reference=None
|publication title=Exot. Fl.
|publication year=1823
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_324.xml
|genus=Ophioglossum
|species=Ophioglossum petiolatum
|apex shape=acute
|apiculum architecture or coloration or relief=reticulate
|apiculum count=absent
|apiculum relief=coarse
|apiculum some measurement=0.3mm;1.2mm
|areole size=large
|included veinlet architecture=anastomosing
|included veinlet count=few
|included veinlet fusion=free
|pair arrangement=clusters
|pair count=0;30
|root coloration=dark-brown
|root count=0;8
|root diameter=0.8mm;1.3mm
|sporophore length=0.8-7 times length of trophophore
|sporophore orientation=arising
|sporophore structure in adjective form=sporangial
|stem count=2;3
|stem diameter=1.5mm;2.5mm
|stem orientation=upright
|stem some measurement=0.3cm;1cm
|trophophore blade coloration=gray-green
|trophophore blade condition or size=contracted
|trophophore blade length=0cm;6cm
|trophophore blade orientation=erect;spreading
|trophophore blade reflectance=dull
|trophophore blade shape=cuneate;truncate
|trophophore blade texture=fleshy
|trophophore blade width=0cm;3cm
|trophophore stalk length=0-0.1 times length of blade
|trophophore stalk some measurement=0mm;3mm
}}<!--

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