Difference between revisions of "Argyrochosma fendleri"

(Kunze) Windham

Amer. Fern J. 77: 40. 1987.

Illustrated
Basionym: Notholaena fendleri Kunze Farrnkräuter 2: 87, plate 136. 1851
Synonyms: Cheilanthes cancellata Mickel Pellaea fendleri (Kunze) Prantl
Treatment appears in FNA Volume 2.
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|year=1987
 
|year=1987
 
}}
 
}}
|basionyms={{Treatment/ID/Synonym
+
|special_status={{Treatment/ID/Special_status
 +
|code=F
 +
|label=Illustrated
 +
}}
 +
|basionyms={{Treatment/ID/Basionym
 
|name=Notholaena fendleri
 
|name=Notholaena fendleri
 
|authority=Kunze
 
|authority=Kunze
 +
|rank=species
 +
|publication_title=Farrnkräuter
 +
|publication_place=2: 87, plate 136. 1851
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Cheilanthes cancellata
 
|name=Cheilanthes cancellata
 
|authority=Mickel
 
|authority=Mickel
}}{{Treatment/ID/Synonym
+
|rank=species
 +
}} {{Treatment/ID/Synonym
 
|name=Pellaea fendleri
 
|name=Pellaea fendleri
 
|authority=(Kunze) Prantl
 
|authority=(Kunze) Prantl
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Pteridaceae;Argyrochosma;Argyrochosma fendleri
 
|hierarchy=Pteridaceae;Argyrochosma;Argyrochosma fendleri
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}}<!--
 
}}<!--
  
--><span class="statement" id="st-d0_s0" data-properties="stem scale coloration"><b>Stem </b>scales brown.</span> <span class="statement" id="st-d0_s1" data-properties="leaf some measurement"><b>Leaves </b>5–25 cm.</span> <span class="statement" id="st-d0_s2" data-properties="petiole coloration;petiole diameter"><b>Petiole </b>dark-brown, 0.75–1.5 mm diam.</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;blade architecture or shape;blade texture;blade growth form or texture;blade pubescence;blade pubescence;farina coloration"><b>Blade </b>deltate, 4–6-pinnate proximally, leathery to somewhat herbaceous, abaxially covered by whitish farina, adaxially glabrous or glandular;</span> <span class="statement" id="st-d0_s4" data-properties="rachis shape">rachis rounded adaxially.</span> <span class="statement" id="st-d0_s5" data-properties="pinna costa course;branch orientation;angle prominence"><b>Pinna </b>costae distinctly flexuous, branches arising from prominent angles.</span> <span class="statement" id="st-d0_s6" data-properties="ultimate segment architecture;ultimate segment coloration"><b>Ultimate </b>segments not articulate, dark color of stalks continuing into segment bases abaxially;</span> <span class="statement" id="st-d0_s7" data-properties="segment margin shape;segment margin orientation">segment margins plane to recurved, often partially concealing sporangia;</span> <span class="statement" id="st-d0_s8" data-properties="vein prominence">veins usually obscure adaxially.</span> <span class="statement" id="st-d0_s9" data-properties="spore count"><b>Sporangia </b>submarginal, borne on distal 1/4 of secondary-veins, containing 64 spores.</span> <span class="statement" id="st-d0_s10" data-properties="sporangium position;2n chromosome count">2n = 54.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stem </b>scales brown. <b>Leaves</b> 5–25 cm. <b>Petiole</b> dark brown, 0.75–1.5 mm diam. <b>Blade</b> deltate, 4–6-pinnate proximally, leathery to somewhat herbaceous, abaxially covered by whitish farina, adaxially glabrous or glandular; rachis rounded adaxially. <b>Pinna</b> costae distinctly flexuous, branches arising from prominent angles. <b>Ultimate</b> segments not articulate, dark color of stalks continuing into segment bases abaxially; segment margins plane to recurved, often partially concealing sporangia; veins usually obscure adaxially. <b>Sporangia</b> submarginal, borne on distal 1/4 of secondary veins, containing 64 spores. <b>2n</b> = 54.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
 +
|phenology=Sporulating summer–fall.
 
|habitat=Rocky slopes and cliffs, usually on granitic or volcanic substrates
 
|habitat=Rocky slopes and cliffs, usually on granitic or volcanic substrates
 
|elevation=1700–3000 m
 
|elevation=1700–3000 m
 
|distribution=Colo.;N.Mex.;Wyo.;Mexico in Sonora.
 
|distribution=Colo.;N.Mex.;Wyo.;Mexico in Sonora.
|discussion=<p>Argyrochosma fendleri is occasionally confused with A. limitanea, which can have slightly flexuous rachises and pinna costae. All A. limitanea specimens with slightly flexuous rachises and costae have 32 spores per sporangium, whereas specimens of A. fendleri consistently have 64. This southern Rocky Mountain species is the only member of the genus that is found on acidic substrates such as granite.</p>
+
|discussion=<p><i>Argyrochosma fendleri</i> is occasionally confused with <i>A. limitanea</i>, which can have slightly flexuous rachises and pinna costae. All <i>A. limitanea</i> specimens with slightly flexuous rachises and costae have 32 spores per sporangium, whereas specimens of <i>A. fendleri</i> consistently have 64. This southern Rocky Mountain species is the only member of the genus that is found on acidic substrates such as granite.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Argyrochosma fendleri
 
name=Argyrochosma fendleri
|author=
 
 
|authority=(Kunze) Windham
 
|authority=(Kunze) Windham
 
|rank=species
 
|rank=species
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|basionyms=Notholaena fendleri
 
|basionyms=Notholaena fendleri
 
|family=Pteridaceae
 
|family=Pteridaceae
 +
|phenology=Sporulating summer–fall.
 
|habitat=Rocky slopes and cliffs, usually on granitic or volcanic substrates
 
|habitat=Rocky slopes and cliffs, usually on granitic or volcanic substrates
 
|elevation=1700–3000 m
 
|elevation=1700–3000 m
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|publication title=Amer. Fern J.
 
|publication title=Amer. Fern J.
 
|publication year=1987
 
|publication year=1987
|special status=
+
|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_276.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_276.xml
 
|genus=Argyrochosma
 
|genus=Argyrochosma
 
|species=Argyrochosma fendleri
 
|species=Argyrochosma fendleri
|2n chromosome count=54
 
|angle prominence=prominent
 
|blade architecture or shape=4-6-pinnate
 
|blade growth form or texture=herbaceous
 
|blade pubescence=glandular;glabrous
 
|blade shape=deltate
 
|blade texture=leathery to somewhat
 
|branch orientation=arising
 
|farina coloration=whitish
 
|leaf some measurement=5cm;25cm
 
|petiole coloration=dark-brown
 
|petiole diameter=0.75mm;1.5mm
 
|pinna costa course=flexuous
 
|rachis shape=rounded
 
|segment margin orientation=recurved
 
|segment margin shape=plane
 
|sporangium position=submarginal
 
|spore count=64
 
|stem scale coloration=brown
 
|ultimate segment architecture=not articulate
 
|ultimate segment coloration=dark color
 
|vein prominence=obscure
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Argyrochosma]]
 
-->[[Category:Treatment]][[Category:Argyrochosma]]

Latest revision as of 20:22, 5 November 2020

Stem scales brown. Leaves 5–25 cm. Petiole dark brown, 0.75–1.5 mm diam. Blade deltate, 4–6-pinnate proximally, leathery to somewhat herbaceous, abaxially covered by whitish farina, adaxially glabrous or glandular; rachis rounded adaxially. Pinna costae distinctly flexuous, branches arising from prominent angles. Ultimate segments not articulate, dark color of stalks continuing into segment bases abaxially; segment margins plane to recurved, often partially concealing sporangia; veins usually obscure adaxially. Sporangia submarginal, borne on distal 1/4 of secondary veins, containing 64 spores. 2n = 54.


Phenology: Sporulating summer–fall.
Habitat: Rocky slopes and cliffs, usually on granitic or volcanic substrates
Elevation: 1700–3000 m

Distribution

V2 276-distribution-map.gif

Colo., N.Mex., Wyo., Mexico in Sonora.

Discussion

Argyrochosma fendleri is occasionally confused with A. limitanea, which can have slightly flexuous rachises and pinna costae. All A. limitanea specimens with slightly flexuous rachises and costae have 32 spores per sporangium, whereas specimens of A. fendleri consistently have 64. This southern Rocky Mountain species is the only member of the genus that is found on acidic substrates such as granite.

Selected References

None.

Lower Taxa

None.
... more about "Argyrochosma fendleri"
Michael D. Windham +
(Kunze) Windham +
Notholaena fendleri +
Colo. +, N.Mex. +, Wyo. +  and Mexico in Sonora. +
1700–3000 m +
Rocky slopes and cliffs, usually on granitic or volcanic substrates +
Sporulating summer–fall. +
Amer. Fern J. +
Illustrated +
Cheilanthes cancellata +  and Pellaea fendleri +
Argyrochosma fendleri +
Argyrochosma +
species +