Difference between revisions of "Adiantum viridimontanum"

Paris

Rhodora 93: 108. 1991.

Common names: Green Mountain maidenhair
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="stem growth form or orientation"><b>Stems </b>short-creeping;</span> <span class="statement" id="st-d0_s1" data-properties="scale coloration;scale depth;scale coloration;scale coloration;margin architecture or shape">scales bronzy deep yellow, concolored, margins entire.</span> <span class="statement" id="st-d0_s2" data-properties="leaf orientation;leaf orientation;leaf orientation;leaf arrangement or growth form;leaf atypical some measurement;leaf some measurement"><b>Leaves </b>arching to stiffly erect, often densely clustered, 38–75 (–90) cm.</span> <span class="statement" id="st-d0_s3" data-properties="petiole diameter;petiole pubescence;petiole pubescence"><b>Petiole </b>1–3 mm diam., glabrous, often glaucous.</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade shape;blade shape;blade architecture;blade architecture or shape;blade length;blade atypical width;blade width;blade pubescence"><b>Blade </b>fan-shaped to funnel-shaped, pseudopedate, 1-pinnate distally, 10–35 × 10–35 (–45) cm, glabrous;</span> <span class="statement" id="st-d0_s5" data-properties="proximal pinna architecture or shape">proximal pinnae 2–7-pinnate;</span> <span class="statement" id="st-d0_s6" data-properties="rachis course;rachis pubescence;rachis pubescence">rachis straight, glabrous, often glaucous.</span> <span class="statement" id="st-d0_s7" data-properties="segment stalk atypical some measurement;segment stalk atypical some measurement;segment stalk some measurement;segment stalk coloration"><b>Segment </b>stalks (0.4–) 0.6–1.5 (–1.9) mm, dark color commonly entering into segment base.</span> <span class="statement" id="st-d0_s8" data-properties="ultimate segment shape;ultimate segment length or width"><b>Ultimate </b>segments long-triangular, ca. 2.5 times as long as broad;</span> <span class="statement" id="st-d0_s9" data-properties="margin orientation;margin orientation or shape">basiscopic margin oblique;</span> <span class="statement" id="st-d0_s10" data-properties="margin orientation;margin shape;lobe arrangement;incision size or width">acroscopic margin lobed, lobes separated by narrow (less than 1 mm) incisions;</span> <span class="statement" id="st-d0_s11" data-properties="apex shape;apex architecture or shape">apex acute, usually entire.</span> <span class="statement" id="st-d0_s12" data-properties="false indusium shape;false indusium atypical some measurement;false indusium some measurement;false indusium pubescence"><b>False </b>indusia transversely oblong, mostly 2–5 (–10) mm, glabrous.</span> <span class="statement" id="st-d0_s13" data-properties="spore diameter;2n chromosome count"><b>Spores </b>mostly 45–58 µm diam. <b>2n</b> = 116.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>short-creeping; scales bronzy deep yellow, concolored, margins entire. <b>Leaves</b> arching to stiffly erect, often densely clustered, 38–75(–90) cm. <b>Petiole</b> 1–3 mm diam., glabrous, often glaucous. <b>Blade</b> fan-shaped to funnel-shaped, pseudopedate, 1-pinnate distally, 10–35 × 10–35(–45) cm, glabrous; proximal pinnae 2–7-pinnate; rachis straight, glabrous, often glaucous. <b>Segment</b> stalks (0.4–)0.6–1.5(–1.9) mm, dark color commonly entering into segment base. <b>Ultimate</b> segments long-triangular, ca. 2.5 times as long as broad; basiscopic margin oblique; acroscopic margin lobed, lobes separated by narrow (less than 1 mm) incisions; apex acute, usually entire. <b>False</b> indusia transversely oblong, mostly 2–5(–10) mm, glabrous. <b>Spores</b> mostly 45–58 µm diam. <b>2n</b> = 116.</span><!--
  
 
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-->{{Treatment/Body
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|phenology=Sporulating summer–fall.
 
|habitat=Restricted to serpentine sites where it occurs in rock clefts, on talus slopes, and in well-developed serpentine soils
 
|habitat=Restricted to serpentine sites where it occurs in rock clefts, on talus slopes, and in well-developed serpentine soils
 
|elevation=200–800 m
 
|elevation=200–800 m
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|basionyms=
 
|basionyms=
 
|family=Pteridaceae
 
|family=Pteridaceae
 +
|phenology=Sporulating summer–fall.
 
|habitat=Restricted to serpentine sites where it occurs in rock clefts, on talus slopes, and in well-developed serpentine soils
 
|habitat=Restricted to serpentine sites where it occurs in rock clefts, on talus slopes, and in well-developed serpentine soils
 
|elevation=200–800 m
 
|elevation=200–800 m
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|publication year=1991
 
|publication year=1991
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_361.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_361.xml
 
|genus=Adiantum
 
|genus=Adiantum
 
|species=Adiantum viridimontanum
 
|species=Adiantum viridimontanum
|2n chromosome count=116
 
|apex architecture or shape=entire
 
|apex shape=acute
 
|blade architecture=pseudopedate
 
|blade architecture or shape=1-pinnate
 
|blade atypical width=35cm;45cm
 
|blade length=10cm;35cm
 
|blade pubescence=glabrous
 
|blade shape=fan-shaped;funnel-shaped
 
|blade width=10cm;35cm
 
|false indusium atypical some measurement=5mm;10mm
 
|false indusium pubescence=glabrous
 
|false indusium shape=oblong
 
|false indusium some measurement=2mm;5mm
 
|incision size or width=narrow
 
|leaf arrangement or growth form=clustered
 
|leaf atypical some measurement=75cm;90cm
 
|leaf orientation=arching;stiffly erect
 
|leaf some measurement=38cm;75cm
 
|lobe arrangement=separated
 
|margin architecture or shape=entire
 
|margin orientation=acroscopic;basiscopic
 
|margin orientation or shape=oblique
 
|margin shape=lobed
 
|petiole diameter=1mm;3mm
 
|petiole pubescence=glaucous;glabrous
 
|proximal pinna architecture or shape=2-7-pinnate
 
|rachis course=straight
 
|rachis pubescence=glaucous;glabrous
 
|scale coloration=concolored;yellow;bronzy
 
|scale depth=deep
 
|segment stalk atypical some measurement=1.5mm;1.9mm
 
|segment stalk coloration=dark color
 
|segment stalk some measurement=0.6mm;1.5mm
 
|spore diameter=45um;58um
 
|stem growth form or orientation=short-creeping
 
|ultimate segment length or width=2.5 times as long as broad
 
|ultimate segment shape=long-triangular
 
 
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-->[[Category:Treatment]][[Category:Adiantum]]
 
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Revision as of 14:18, 27 July 2019

Stems short-creeping; scales bronzy deep yellow, concolored, margins entire. Leaves arching to stiffly erect, often densely clustered, 38–75(–90) cm. Petiole 1–3 mm diam., glabrous, often glaucous. Blade fan-shaped to funnel-shaped, pseudopedate, 1-pinnate distally, 10–35 × 10–35(–45) cm, glabrous; proximal pinnae 2–7-pinnate; rachis straight, glabrous, often glaucous. Segment stalks (0.4–)0.6–1.5(–1.9) mm, dark color commonly entering into segment base. Ultimate segments long-triangular, ca. 2.5 times as long as broad; basiscopic margin oblique; acroscopic margin lobed, lobes separated by narrow (less than 1 mm) incisions; apex acute, usually entire. False indusia transversely oblong, mostly 2–5(–10) mm, glabrous. Spores mostly 45–58 µm diam. 2n = 116.


Phenology: Sporulating summer–fall.
Habitat: Restricted to serpentine sites where it occurs in rock clefts, on talus slopes, and in well-developed serpentine soils
Elevation: 200–800 m

Discussion

Adiantum viridimontanum, an allopolyploid from a sterile hybrid between A. pedatum and A. aleuticum, is known only from north central Vermont (C. A. Paris and M. D. Windham 1988). Additional populations may eventually be located on serpentine in southern Quebec.

Selected References

None.

Lower Taxa

None.