View source for Ophioglossum engelmannii

{{Treatment/ID
|accepted_name=Ophioglossum engelmannii
|accepted_authority=Prantl
|publications={{Treatment/Publication
|title=Ber. Deutsch. Bot. Ges.
|place=1: 351. 1883
|year=1883
}}
|common_names=Limestone adder's-tongue
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Ophioglossaceae;Ophioglossum;Ophioglossum engelmannii
|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 engelmannii]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>to 25 per plant, tan to brown, 0.5-1.5mm diam., straight, producing proliferations. <b>Stem</b> upright, to 1.5 cm, 4 mm diam., leaves 1-2 per stem. <b>Trophophore</b> stalk to 0.1 cm, 0.01 times length of blade. <b>Trophophore</b> blade erect to spreading, commonly ± folded when alive, uniformly pale green throughout when dried, dull, ovate to ovate-lanceolate, 10 × 4.5 cm, firm, herbaceous, base narrowed abruptly, apex with apiculum to 0.8 mm; venation complex-reticulate, veinlets forming numerous, very tiny, secondary areoles within the major areoles. <b>Sporophores</b> arising at ground level, 1.3-2.5 times as long as trophophore; sporangial clusters 2-4 × 0.13-0.31 cm, pairs of sporangia 20-40, apiculum 0-1.3 mm.</span><!--

-->{{Treatment/Body
|phenology=Leaves appearing early–late spring, often with second flush later in season following summer rains.
|habitat=Mostly in soil over limestone in open fields, pastures, and cedar glades
|elevation=50-1000 m
|distribution=Ala.;Ariz.;Ark.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Miss.;Mo.;Ohio;Okla.;N.Mex.;N.C.;Tenn.;Tex.;Va.;W.Va.;Mexico;Central America.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Ophioglossum engelmannii
|authority=Prantl
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Ophioglossaceae
|phenology=Leaves appearing early–late spring, often with second flush later in season following summer rains.
|habitat=Mostly in soil over limestone in open fields, pastures, and cedar glades
|elevation=50-1000 m
|distribution=Ala.;Ariz.;Ark.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Miss.;Mo.;Ohio;Okla.;N.Mex.;N.C.;Tenn.;Tex.;Va.;W.Va.;Mexico;Central America.
|reference=None
|publication title=Ber. Deutsch. Bot. Ges.
|publication year=1883
|special status=Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_178.xml
|genus=Ophioglossum
|species=Ophioglossum engelmannii
}}<!--

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