View source for Pellaea brachyptera

{{Treatment/ID
|accepted_name=Pellaea brachyptera
|accepted_authority=(T. Moore) Baker in Hooker & Baker
|publications={{Treatment/Publication
|title=in Hooker & Baker,Syn. Fil. ed. 2
|place=477. 1874
|year=1874
}}
|basionyms={{Treatment/ID/Synonym
|name=Platyloma brachyptera
|authority=T. Moore
}}
|synonyms=
|hierarchy=Pteridaceae;Pellaea;Pellaea brachyptera
|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 brachyptera]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="stem architecture or arrangement;stem orientation;stem fragility or size;stem diameter"><b>Stems </b>compact, ascending, stout, 5–10 mm diam.;</span> <span class="statement" id="st-d0_s1" data-properties="scale coloration;scale shape;scale width;center coloration;center coloration;center coloration;center width;margin coloration;margin width;margin architecture or shape">scales bicolored, linear-subulate, 0.1–0.3 mm wide, centers dark-brown to black, thick, margins brown, thin, dentate.</span> <span class="statement" id="st-d0_s2" data-properties="leaf architecture;leaf arrangement or growth form;leaf some measurement"><b>Leaves </b>monomorphic, clustered on stem, 8–40 cm;</span> <span class="statement" id="st-d0_s3" data-properties="crozier pubescence">croziers sparsely villous.</span> <span class="statement" id="st-d0_s4" data-properties="petiole coloration;petiole reflectance;petiole shape;petiole architecture;articulation line prominence"><b>Petiole </b>dark-brown, lustrous, flattened or slightly grooved 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>linear-oblong, 2-pinnate proximally, 1–4 cm wide;</span> <span class="statement" id="st-d0_s6" data-properties="rachis coloration;rachis course;rachis architecture;rachis pubescence">rachis brown throughout, straight, shallowly grooved adaxially, usually glabrous.</span> <span class="statement" id="st-d0_s7" data-properties="pinna orientation;pinna shape;ultimate segment count"><b>Pinnae </b>strongly ascending, not decurrent on rachis, usually with 5–11 ultimate segments;</span> <span class="statement" id="st-d0_s8" data-properties="costa course;costa some measurement;costa height or length or size">costae straight, 5–20 mm, usually shorter than ultimate segments.</span> <span class="statement" id="st-d0_s9" data-properties="ultimate segment arrangement or course or shape;ultimate segment some measurement;ultimate segment texture;ultimate segment pubescence"><b>Ultimate </b>segments linear, 5–20 mm, leathery, glabrous;</span> <span class="statement" id="st-d0_s10" data-properties="segment reproduction;segment shape or vernation;abaxial surface count;abaxial surface count;border coloration;border shape">margins on fertile segments strongly revolute, covering more than 1/2 abaxial surface, borders greenish, crenate;</span> <span class="statement" id="st-d0_s11" data-properties="apex shape">apex mucronate.</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="sporangium architecture;spore count;gland count"><b>Sporangia </b>short-stalked, containing 64 spores, intermixed with abundant farina-producing glands.</span><!--

-->{{Treatment/Body
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
|elevation=900–2700 m
|distribution=Calif.;Oreg.;Wash.
|discussion=<p>The distinctive Pellaea brachyptera reportedly hybridizes with P. mucronata (A. F. Tryon 1957; D. B. Lellinger 1985); the hybrids are morphologically intermediate plants with malformed spores.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Pellaea brachyptera
|author=
|authority=(T. Moore) Baker in Hooker & Baker
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Platyloma brachyptera
|family=Pteridaceae
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
|elevation=900–2700 m
|distribution=Calif.;Oreg.;Wash.
|reference=None
|publication title=in Hooker & Baker,Syn. Fil. ed. 2
|publication year=1874
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_563.xml
|genus=Pellaea
|species=Pellaea brachyptera
|abaxial surface count=/2;1
|apex shape=mucronate
|articulation line prominence=prominent
|blade architecture or shape=2-pinnate
|blade shape=linear-oblong
|blade width=1cm;4cm
|border coloration=greenish
|border shape=crenate
|center coloration=dark-brown;black
|center width=thick
|costa course=straight
|costa height or length or size=usually shorter
|costa some measurement=5mm;20mm
|crozier pubescence=villous
|gland count=abundant
|leaf architecture=monomorphic
|leaf arrangement or growth form=clustered
|leaf some measurement=8cm;40cm
|margin architecture or shape=dentate
|margin coloration=brown
|margin width=thin
|petiole architecture=grooved
|petiole coloration=dark-brown
|petiole reflectance=lustrous
|petiole shape=flattened
|pinna orientation=ascending
|pinna shape=not decurrent
|rachis architecture=grooved
|rachis coloration=brown
|rachis course=straight
|rachis pubescence=glabrous
|scale coloration=bicolored
|scale shape=linear-subulate
|scale width=0.1mm;0.3mm
|segment reproduction=fertile
|segment shape or vernation=revolute
|sporangium architecture=short-stalked
|spore count=64
|stem architecture or arrangement=compact
|stem diameter=5mm;10mm
|stem fragility or size=stout
|stem orientation=ascending
|ultimate segment arrangement or course or shape=linear
|ultimate segment count=5;11
|ultimate segment pubescence=glabrous
|ultimate segment some measurement=5mm;20mm
|ultimate segment texture=leathery
|vein prominence=obscure
}}<!--

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