View source for Pellaea ovata

{{Treatment/ID
|accepted_name=Pellaea ovata
|accepted_authority=(Desvaux) Weatherby
|publications={{Treatment/Publication
|title=Contr. Gray Herb.
|place=114: 34. 1936 Pteris ovata Desvaux, Mém. Soc. Lin. 1827
|year=1827
}}
|common_names=Pellaea flexuosa (Kaulfuss ex Schlechtendal & Chamisso) Link
|basionyms=
|synonyms=
|hierarchy=Pteridaceae;Pellaea;Pellaea ovata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Pellaea]]</div><div class="higher-taxon"><small>species</small>[[Pellaea 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 orientation;stem size;stem diameter"><b>Stems </b>creeping, horizontal, slender, 2–5 mm diam.;</span> <span class="statement" id="st-d0_s1" data-properties="scale coloration;scale shape;largest scale width;center coloration;center width;margin coloration;margin width;margin architecture or shape">scales mostly bicolored, lanceolate, largest scales 0.3–0.8 mm wide, centers black, thick, margins brown, thin, erose-dentate.</span> <span class="statement" id="st-d0_s2" data-properties="leaf architecture;leaf arrangement;leaf arrangement;leaf some measurement"><b>Leaves </b>monomorphic, clustered or scattered along stem, 15–100 cm;</span> <span class="statement" id="st-d0_s3" data-properties="crozier pubescence;scale count">croziers pubescent, bearing a few scales.</span> <span class="statement" id="st-d0_s4" data-properties="petiole coloration;petiole coloration;petiole coloration;petiole coloration;petiole coloration;petiole reflectance;petiole shape;petiole shape;articulation line prominence"><b>Petiole </b>straw-colored, tan, or gray, not lustrous, rounded or slightly flattened adaxially, without prominent articulation lines.</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade architecture or shape;blade width"><b>Blade </b>elongate-deltate, usually 3-pinnate proximally, 5–25 cm wide;</span> <span class="statement" id="st-d0_s6" data-properties="rachis coloration;rachis course;rachis shape;rachis shape;rachis pubescence">rachis tan throughout, strongly flexuous, rounded or flattened adaxially, usually glabrous.</span> <span class="statement" id="st-d0_s7" data-properties="pinna orientation;pinna orientation;pinna orientation;pinna shape;ultimate segment count"><b>Pinnae </b>retrorse, projecting downward toward base of leaf, not decurrent on rachis, with 5–40 ultimate segments;</span> <span class="statement" id="st-d0_s8" data-properties="costa course;costa some measurement;costa length or size">costae strongly flexuous, 25–120 mm, longer than ultimate segments.</span> <span class="statement" id="st-d0_s9" data-properties="ultimate segment shape;ultimate segment some measurement;ultimate segment texture;ultimate segment pubescence;ultimate segment pubescence"><b>Ultimate </b>segments lanceolate-deltate, 5–20 mm, leathery, glabrous or sparsely pubescent;</span> <span class="statement" id="st-d0_s10" data-properties="margin orientation;segment reproduction;abaxial surface count;border coloration;border architecture or shape">margins recurved on fertile segments, covering less than 1/2 abaxial surface, borders whitish, entire;</span> <span class="statement" id="st-d0_s11" data-properties="apex shape;apex shape;apex shape">apex obtuse to truncate.</span> <span class="statement" id="st-d0_s12" data-properties="vein prominence"><b>Veins </b>of ultimate segments obscure.</span> <span class="statement" id="st-d0_s13" data-properties="spore count"><b>Sporangia </b>short-stalked, containing 64 spores, not intermixed with farina-producing glands.</span> <span class="statement" id="st-d0_s14" data-properties="sporangium architecture;2n chromosome count">2n = 58.</span><!--

-->{{Treatment/Body
|habitat=Rocky slopes and ledges, leaves often supported by associated vegetation, on a variety of substrates including granite and limestone
|elevation=300–1700 m
|distribution=Tex.;Mexico;West Indies in Hispaniola;Central America;South America.
|discussion=<p>Populations of Pellaea ovata in the flora are composed of sexual diploids; an apogamous triploid cytotype predominates south of the United States. I have not seen herbarium specimens to substantiate reports of P. ovata from New Mexico (D. B. Lellinger 1985).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Pellaea ovata
|author=
|authority=(Desvaux) Weatherby
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Pteridaceae
|habitat=Rocky slopes and ledges, leaves often supported by associated vegetation, on a variety of substrates including granite and limestone
|elevation=300–1700 m
|distribution=Tex.;Mexico;West Indies in Hispaniola;Central America;South America.
|reference=None
|publication title=Contr. Gray Herb.
|publication year=1827
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_483.xml
|genus=Pellaea
|species=Pellaea ovata
|2n chromosome count=58
|abaxial surface count=0;1/2
|apex shape=obtuse;truncate
|articulation line prominence=prominent
|blade architecture or shape=3-pinnate
|blade shape=elongate-deltate
|blade width=5cm;25cm
|border architecture or shape=entire
|border coloration=whitish
|center coloration=black
|center width=thick
|costa course=flexuous
|costa length or size=longer
|costa some measurement=25mm;120mm
|crozier pubescence=pubescent
|largest scale width=0.3mm;0.8mm
|leaf architecture=monomorphic
|leaf arrangement=scattered;clustered
|leaf some measurement=15cm;100cm
|margin architecture or shape=erose-dentate
|margin coloration=brown
|margin orientation=recurved
|margin width=thin
|petiole coloration=gray;tan;gray;tan;straw-colored
|petiole reflectance=not lustrous
|petiole shape=flattened;rounded
|pinna orientation=downward;projecting;retrorse
|pinna shape=not decurrent
|rachis coloration=tan
|rachis course=flexuous
|rachis pubescence=glabrous
|rachis shape=flattened;rounded
|scale coloration=bicolored
|scale count=few
|scale shape=lanceolate
|segment reproduction=fertile
|sporangium architecture=short-stalked
|spore count=64
|stem diameter=2mm;5mm
|stem growth form or orientation=creeping
|stem orientation=horizontal
|stem size=slender
|ultimate segment count=5;40
|ultimate segment pubescence=pubescent;glabrous
|ultimate segment shape=lanceolate-deltate
|ultimate segment some measurement=5mm;20mm
|ultimate segment texture=leathery
|vein prominence=obscure
}}<!--

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