Difference between revisions of "Asplenium abscissum"

Willdenow

Sp. Pl. 5(1): 321. 1810.

Common names: Abscised spleenwort
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="root reproduction"><b>Roots </b>proliferous.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture"><b>Stems </b>erect, unbranched;</span> <span class="statement" id="st-d0_s2" data-properties="scale coloration;scale shape;scale length;scale width;margin architecture or shape">scales brown throughout, linear-deltate, 1.2 × 0.1–0.3 mm, margins entire.</span> <span class="statement" id="st-d0_s3" data-properties="leaf architecture"><b>Leaves </b>monomorphic.</span> <span class="statement" id="st-d0_s4" data-properties="petiole coloration;petiole reflectance;petiole atypical some measurement;petiole some measurement;petiole length"><b>Petiole </b>green throughout, dull, 3–15 (–20) cm, 1/3–2/3 length of blade;</span> <span class="statement" id="st-d0_s5" data-properties="indument count">indument absent.</span> <span class="statement" id="st-d0_s6" data-properties="blade shape;blade architecture or shape;blade atypical length;blade length;blade atypical width;blade width;blade width;blade texture;blade pubescence"><b>Blade </b>deltate, 1-pinnate, 7–12 (–20) × 3–6 (–9) cm, thick, papery, glabrous;</span> <span class="statement" id="st-d0_s7" data-properties="base shape">base not tapered;</span> <span class="statement" id="st-d0_s8" data-properties="apex shape;apex architecture">apex attenuate, not rooting.</span> <span class="statement" id="st-d0_s9" data-properties="rachis coloration;rachis reflectance;rachis pubescence"><b>Rachis </b>green throughout, dull, glabrous.</span> <span class="statement" id="st-d0_s10" data-properties="pinna shape;pair count"><b>Pinnae </b>in 4–8 pairs, linear-lanceolate;</span> <span class="statement" id="st-d0_s11" data-properties="medial pinna length;medial pinna width;medial pinna course;medial pinna architecture;medial pinna count;proximal pinna orientation">medial pinnae 30–70 × 7–15 mm, slightly curved, strongly excavated in proximal basiscopic 1/3;</span> <span class="statement" id="st-d0_s12" data-properties="auricle size;auricle orientation">base with small acroscopic auricle;</span> <span class="statement" id="st-d0_s13" data-properties="margin architecture or shape;margin architecture or shape;margin architecture or shape">margins entire to dentate;</span> <span class="statement" id="st-d0_s14" data-properties="apex shape">apex attenuate.</span> <span class="statement" id="st-d0_s15" data-properties="vein fusion;vein prominence"><b>Veins </b>free, obscure.</span> <span class="statement" id="st-d0_s16" data-properties="sorus count;sorus position;sorus count"><b>Sori </b>2–9 pairs, medial, commonly 1–2 less on basiscopic side than on acroscopic side.</span> <span class="statement" id="st-d0_s17" data-properties=""><b>Spores </b>64 per sporangium.</span> <span class="statement" id="st-d0_s18" data-properties="spore count;2n chromosome count">2n = 72.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>proliferous. <b>Stems</b> erect, unbranched; scales brown throughout, linear-deltate, 1.2 × 0.1–0.3 mm, margins entire. <b>Leaves</b> monomorphic. <b>Petiole</b> green throughout, dull, 3–15(–20) cm, 1/3–2/3 length of blade; indument absent. <b>Blade</b> deltate, 1-pinnate, 7–12(–20) × 3–6(–9) cm, thick, papery, glabrous; base not tapered; apex attenuate, not rooting. <b>Rachis</b> green throughout, dull, glabrous. <b>Pinnae</b> in 4–8 pairs, linear-lanceolate; medial pinnae 30–70 × 7–15 mm, slightly curved, strongly excavated in proximal basiscopic 1/3; base with small acroscopic auricle; margins entire to dentate; apex attenuate. <b>Veins</b> free, obscure. <b>Sori</b> 2–9 pairs, medial, commonly 1–2 less on basiscopic side than on acroscopic side. <b>Spores</b> 64 per sporangium. <b>2n</b> = 72.</span><!--
  
 
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|publication year=1810
 
|publication year=1810
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_362.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_362.xml
 
|genus=Asplenium
 
|genus=Asplenium
 
|species=Asplenium abscissum
 
|species=Asplenium abscissum
|2n chromosome count=72
 
|apex architecture=not rooting
 
|apex shape=attenuate;attenuate
 
|auricle orientation=acroscopic
 
|auricle size=small
 
|base shape=not tapered
 
|blade architecture or shape=1-pinnate
 
|blade atypical length=12cm;20cm
 
|blade atypical width=6cm;9cm
 
|blade length=7cm;12cm
 
|blade pubescence=glabrous
 
|blade shape=deltate
 
|blade texture=papery
 
|blade width=thick;3cm;6cm
 
|indument count=absent
 
|leaf architecture=monomorphic
 
|margin architecture or shape=entire;dentate
 
|medial pinna architecture=excavated
 
|medial pinna count=1/3
 
|medial pinna course=curved
 
|medial pinna length=30mm;70mm
 
|medial pinna width=7mm;15mm
 
|pair count=4;8
 
|petiole atypical some measurement=15cm;20cm
 
|petiole coloration=green
 
|petiole length=1/3 length of blade;2/3 length of blade
 
|petiole reflectance=dull
 
|petiole some measurement=3cm;15cm
 
|pinna shape=linear-lanceolate
 
|proximal pinna orientation=basiscopic
 
|rachis coloration=green
 
|rachis pubescence=glabrous
 
|rachis reflectance=dull
 
|root reproduction=proliferous
 
|scale coloration=brown
 
|scale length=1.2
 
|scale shape=linear-deltate
 
|scale width=0.1mm;0.3mm
 
|sorus count=1;2
 
|sorus position=medial
 
|spore count=64
 
|stem architecture=unbranched
 
|stem orientation=erect
 
|vein fusion=free
 
|vein prominence=obscure
 
 
}}<!--
 
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Revision as of 13:18, 27 July 2019

Roots proliferous. Stems erect, unbranched; scales brown throughout, linear-deltate, 1.2 × 0.1–0.3 mm, margins entire. Leaves monomorphic. Petiole green throughout, dull, 3–15(–20) cm, 1/3–2/3 length of blade; indument absent. Blade deltate, 1-pinnate, 7–12(–20) × 3–6(–9) cm, thick, papery, glabrous; base not tapered; apex attenuate, not rooting. Rachis green throughout, dull, glabrous. Pinnae in 4–8 pairs, linear-lanceolate; medial pinnae 30–70 × 7–15 mm, slightly curved, strongly excavated in proximal basiscopic 1/3; base with small acroscopic auricle; margins entire to dentate; apex attenuate. Veins free, obscure. Sori 2–9 pairs, medial, commonly 1–2 less on basiscopic side than on acroscopic side. Spores 64 per sporangium. 2n = 72.


Habitat: Shaded limestone boulders, cliff ledges, grottoes, sinkholes
Elevation: 0–50 m

Distribution

V2 362-distribution-map.gif

Fla., Mexico, West Indies in the Antilles, Central America, South America to Bolivia and Brazil.

Discussion

Asplenium abscissum hybridizes with A. verecundum to produce the triploid hybrid, A. × curtissii.

Selected References

None.

Lower Taxa

None.
... more about "Asplenium abscissum"
Warren H. Wagner Jr. +, Robbin C. Moran +  and Charles R. Werth +
Willdenow +
Abscised spleenwort +
Fla. +, Mexico +, West Indies in the Antilles +, Central America +  and South America to Bolivia and Brazil. +
0–50 m +
Shaded limestone boulders, cliff ledges, grottoes, sinkholes +
Asplenium abscissum +
Asplenium +
species +