Difference between revisions of "Pellaea brachyptera"

(T. Moore) Baker in Hooker & Baker

in Hooker & Baker,Syn. Fil. ed. 2 477. 1874.

Basionym: Platyloma brachyptera T. Moore
Treatment appears in FNA Volume 2.
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--><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><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>compact, ascending, stout, 5–10 mm diam.; scales bicolored, linear-subulate, 0.1–0.3 mm wide, centers dark brown to black, thick, margins brown, thin, dentate. <b>Leaves</b> monomorphic, clustered on stem, 8–40 cm; croziers sparsely villous. <b>Petiole</b> dark brown, lustrous, flattened or slightly grooved adaxially, without prominent articulation lines. <b>Blade</b> linear-oblong, 2-pinnate proximally, 1–4 cm wide; rachis brown throughout, straight, shallowly grooved adaxially, usually glabrous. <b>Pinnae</b> strongly ascending, not decurrent on rachis, usually with 5–11 ultimate segments; costae straight, 5–20 mm, usually shorter than ultimate segments. <b>Ultimate</b> segments linear, 5–20 mm, leathery, glabrous; margins on fertile segments strongly revolute, covering more than 1/2 abaxial surface, borders greenish, crenate; apex mucronate. <b>Veins</b> of ultimate segments obscure. <b>Sporangia</b> short-stalked, containing 64 spores, intermixed with abundant farina-producing glands.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
 +
|phenology=Sporulating summer–fall.
 
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
 
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
 
|elevation=900–2700 m
 
|elevation=900–2700 m
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|basionyms=Platyloma brachyptera
 
|basionyms=Platyloma brachyptera
 
|family=Pteridaceae
 
|family=Pteridaceae
 +
|phenology=Sporulating summer–fall.
 
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
 
|habitat=Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
 
|elevation=900–2700 m
 
|elevation=900–2700 m
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|publication year=1874
 
|publication year=1874
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_563.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_563.xml
 
|genus=Pellaea
 
|genus=Pellaea
 
|species=Pellaea brachyptera
 
|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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-->[[Category:Treatment]][[Category:Pellaea]]
 
-->[[Category:Treatment]][[Category:Pellaea]]

Revision as of 13:23, 27 July 2019

Stems compact, ascending, stout, 5–10 mm diam.; scales bicolored, linear-subulate, 0.1–0.3 mm wide, centers dark brown to black, thick, margins brown, thin, dentate. Leaves monomorphic, clustered on stem, 8–40 cm; croziers sparsely villous. Petiole dark brown, lustrous, flattened or slightly grooved adaxially, without prominent articulation lines. Blade linear-oblong, 2-pinnate proximally, 1–4 cm wide; rachis brown throughout, straight, shallowly grooved adaxially, usually glabrous. Pinnae strongly ascending, not decurrent on rachis, usually with 5–11 ultimate segments; costae straight, 5–20 mm, usually shorter than ultimate segments. Ultimate segments linear, 5–20 mm, leathery, glabrous; margins on fertile segments strongly revolute, covering more than 1/2 abaxial surface, borders greenish, crenate; apex mucronate. Veins of ultimate segments obscure. Sporangia short-stalked, containing 64 spores, intermixed with abundant farina-producing glands.


Phenology: Sporulating summer–fall.
Habitat: Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
Elevation: 900–2700 m

Discussion

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.

Selected References

None.

Lower Taxa

None.
... more about "Pellaea brachyptera"
Michael D. Windham +
(T. Moore) Baker in Hooker & Baker +
Platyloma brachyptera +
Calif. +, Oreg. +  and Wash. +
900–2700 m +
Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine +
Sporulating summer–fall. +
in Hooker & Baker,Syn. Fil. ed. 2 +
Pellaea brachyptera +
species +