View source for Thelypteris ovata

{{Treatment/ID
|accepted_name=Thelypteris ovata
|accepted_authority=R. P. St. John in Small
|publications={{Treatment/Publication
|title=in Small,Ferns S. E. States
|place=230, with plate. 1938
|year=1938
}}
|common_names=Ovate maiden fern
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Christella ovata
|authority=(R. P. St. John) A. Löve & D. Löve
|rank=species
}} {{Treatment/ID/Synonym
|name=Dryopteris ovata
|authority=(R. P. St. John) Broun
|rank=species
}}
|hierarchy=Thelypteridaceae;Thelypteris;Thelypteris subg. Cyclosorus;Thelypteris ovata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Thelypteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Thelypteris]]</div><div class="higher-taxon"><small>subgenus</small>[[Thelypteris subg. Cyclosorus]]</div><div class="higher-taxon"><small>species</small>[[Thelypteris ovata]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="stem growth form or orientation;stem diameter"><b>Stems </b>usually long-creeping, 3–6 mm diam.</span> <span class="statement" id="st-d0_s1" data-properties="leaf architecture;leaf duration;leaf atypical some measurement;leaf some measurement;leaf arrangement;leaf atypical some measurement;leaf atypical some measurement;leaf some measurement"><b>Leaves </b>monomorphic, evergreen, (0.5–) 1–4 cm apart, (30–) 55–135 (–165) cm.</span> <span class="statement" id="st-d0_s2" data-properties="petiole coloration;petiole length;petiole width;scale coloration;scale shape;scale pubescence"><b>Petiole </b>straw-colored, 15–80 cm × 2–6 mm, at base with tan to brownish, linear-lanceolate, hairy scales.</span> <span class="statement" id="st-d0_s3" data-properties="petiole variability;petiole length;apex shape"><b>Blade </b>about equaling petiole length, broadest at base, gradually to somewhat abruptly tapered to pinnatifid apex.</span> <span class="statement" id="st-d0_s4" data-properties="pinna atypical length;pinna length;pinna width;pinna shape;pinna width"><b>Pinnae </b>(5–) 10–25 × 0.8–2.2 cm, incised 4/5 of width;</span> <span class="statement" id="st-d0_s5" data-properties="segment orientation or shape;segment course;basal segment arrangement;middle pinna shape">segments oblique, somewhat curved, basal pair from middle pinnae often elongate parallel to rachis;</span> <span class="statement" id="st-d0_s6" data-properties="segment arrangement">proximal pair of veins from adjacent segments reaching margin at or just above sinus.</span> <span class="statement" id="st-d0_s7" data-properties="indument some measurement;scale quantity;scale coloration"><b>Indument </b>abaxially of hairs mostly 0.2–0.5 mm on costae, veins, and blade tissue, also sometimes of a few tan scales on costae and rachises;</span> <span class="statement" id="st-d0_s8" data-properties="blade pubescence">blades adaxially glabrous except along rachises and costae.</span> <span class="statement" id="st-d0_s9" data-properties="sorus shape;sorus position"><b>Sori </b>round, supramedial to inframarginal;</span> <span class="statement" id="st-d0_s10" data-properties="indusium coloration;indusium pubescence;hair some measurement">indusia tan, hairy, hairs mostly 0.2–0.4 mm;</span> <span class="statement" id="st-d0_s11" data-properties="">sporangia glabrous.</span> <span class="statement" id="st-d0_s12" data-properties="sporangium pubescence;2n chromosome quantity">2n = 72.</span><!--

-->{{Treatment/Body
|distribution=Ala.;Fla.;Ga.;S.C.;Tex.;Mexico;West Indies;Central America
|discussion=<p>Varieties 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Scales usually absent on costae abaxially; blade tissue glabrous adaxially; petiole base and stem scales brownish.
|[[Thelypteris ovata var. ovata|Thelypteris ovata var. ovata]]
|-id=key-0-1
|1
|Scales few, very narrow, on costae abaxially; blade tissue minutely pubescent or glabrous adaxially; petiole base and stem scales tan.
|[[Thelypteris ovata var. lindheimeri|Thelypteris ovata var. lindheimeri]]
|}
</div></div><!--

-->{{#Taxon:
name=Thelypteris ovata
|authority=R. P. St. John in Small
|rank=species
|parent rank=subgenus
|synonyms=Christella ovata;Dryopteris ovata
|basionyms=
|family=Thelypteridaceae
|distribution=Ala.;Fla.;Ga.;S.C.;Tex.;Mexico;West Indies;Central America
|reference=None
|publication title=in Small,Ferns S. E. States
|publication year=1938
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V2/V2_657.xml
|genus=Thelypteris
|subgenus=Thelypteris subg. Cyclosorus
|species=Thelypteris ovata
|2n chromosome quantity=72
|apex shape=somewhat abruptly tapered;pinnatifid
|basal segment arrangement=parallel
|blade pubescence=glabrous
|hair some measurement=0.2mm;0.4mm
|indument some measurement=0.2mm;0.5mm
|indusium coloration=tan
|indusium pubescence=hairy
|leaf architecture=monomorphic
|leaf arrangement=apart
|leaf atypical some measurement=135cm;165cm
|leaf duration=evergreen
|leaf some measurement=55cm;135cm
|middle pinna shape=elongate
|petiole coloration=straw-colored
|petiole length=broadest;15cm;80cm
|petiole variability=equaling
|petiole width=2mm;6mm
|pinna atypical length=5cm;10cm
|pinna length=10cm;25cm
|pinna shape=incised
|pinna width=4/5;0.8cm;2.2cm
|scale coloration=tan;tan;brownish
|scale pubescence=hairy
|scale quantity=few
|scale shape=linear-lanceolate
|segment arrangement=adjacent
|segment course=curved
|segment orientation or shape=oblique
|sorus position=supramedial
|sorus shape=round
|sporangium pubescence=glabrous
|stem diameter=3mm;6mm
|stem growth form or orientation=long-creeping
}}<!--

-->[[Category:Treatment]][[Category:Thelypteris subg. Cyclosorus]]