FNA>Volume Importer |
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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 blackish throughout, narrowly deltate, 1 × 0.2 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 atypical some measurement;petiole some measurement;petiole length"><b>Petiole </b>brownish black, 3–10 (–15) cm, 1/3–2/5 length of blade;</span> <span class="statement" id="st-d0_s5" data-properties="scale coloration;scale shape">indument of blackish, narrowly lanceolate scales at base.</span> <span class="statement" id="st-d0_s6" data-properties="blade shape;blade architecture or shape;blade length;blade atypical width;blade width;blade width;blade pubescence"><b>Blade </b>oblong-lanceolate, 2-pinnate, 10–30 × (1.5–) 5–10 cm, thin, glabrous;</span> <span class="statement" id="st-d0_s7" data-properties="base shape">base not or only slightly tapered;</span> <span class="statement" id="st-d0_s8" data-properties="apex width;apex architecture">apex gradually narrowing, not rooting.</span> <span class="statement" id="st-d0_s9" data-properties="rachis coloration;rachis coloration;rachis coloration;rachis reflectance;rachis pubescence"><b>Rachis </b>blackish to green, dull, nearly glabrous.</span> <span class="statement" id="st-d0_s10" data-properties="pinna shape;pair atypical count;pair count"><b>Pinnae </b>in (7–) 14–22 pairs, oblong;</span> <span class="statement" id="st-d0_s11" data-properties="medial pinna length;medial pinna width">medial pinnae 1–6 × 0.5–1.5 cm;</span> <span class="statement" id="st-d0_s12" data-properties="base architecture or shape">base truncate;</span> <span class="statement" id="st-d0_s13" data-properties="apex shape">apex pointed.</span> <span class="statement" id="st-d0_s14" data-properties="pinnule shape;pinnule shape;pinnule shape;pinnule shape;pinnule length;pinnule width;pinnule shape"><b>Pinnules </b>linear to fan-shaped to unequally pinnate, 3–9 × 1–7 mm, mostly notched apically.</span> <span class="statement" id="st-d0_s15" data-properties="vein fusion;vein prominence"><b>Veins </b>free, evident.</span> <span class="statement" id="st-d0_s16" data-properties="sorus count;side orientation"><b>Sori </b>1–4 per segment, usually more on acroscopic side.</span> <span class="statement" id="st-d0_s17" data-properties=""><b>Spores </b>abortive.</span> <span class="statement" id="st-d0_s18" data-properties="spore development;2n chromosome count">2n = 108.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>proliferous. <b>Stems</b> erect, unbranched; scales blackish throughout, narrowly deltate, 1 × 0.2 mm, margins entire. <b>Leaves</b> monomorphic. <b>Petiole</b> brownish black, 3–10(–15) cm, 1/3–2/5 length of blade; indument of blackish, narrowly lanceolate scales at base. <b>Blade</b> oblong-lanceolate, 2-pinnate, 10–30 × (1.5–)5–10 cm, thin, glabrous; base not or only slightly tapered; apex gradually narrowing, not rooting. <b>Rachis</b> blackish to green, dull, nearly glabrous. <b>Pinnae</b> in (7–)14–22 pairs, oblong; medial pinnae 1–6 × 0.5–1.5 cm; base truncate; apex pointed. <b>Pinnules</b> linear to fan-shaped to unequally pinnate, 3–9 × 1–7 mm, mostly notched apically. <b>Veins</b> free, evident. <b>Sori</b> 1–4 per segment, usually more on acroscopic side. <b>Spores</b> abortive. <b>2n</b> = 108.</span><!-- |
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| | |publication year=1906 | | |publication year=1906 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_313.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_313.xml |
| | |genus=Asplenium | | |genus=Asplenium |
| | |species=Asplenium ×curtissii | | |species=Asplenium ×curtissii |
| − | |2n chromosome count=108
| |
| − | |apex architecture=not rooting
| |
| − | |apex shape=pointed
| |
| − | |apex width=narrowing
| |
| − | |base architecture or shape=truncate
| |
| − | |base shape=tapered
| |
| − | |blade architecture or shape=2-pinnate
| |
| − | |blade atypical width=1.5cm;5cm
| |
| − | |blade length=10cm;30cm
| |
| − | |blade pubescence=glabrous
| |
| − | |blade shape=oblong-lanceolate
| |
| − | |blade width=thin;5cm;10cm
| |
| − | |leaf architecture=monomorphic
| |
| − | |margin architecture or shape=entire
| |
| − | |medial pinna length=1cm;6cm
| |
| − | |medial pinna width=0.5cm;1.5cm
| |
| − | |pair atypical count=7;14
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| − | |pair count=14;22
| |
| − | |petiole atypical some measurement=10cm;15cm
| |
| − | |petiole coloration=brownish black
| |
| − | |petiole length=1/3 length of blade;2/5 length of blade
| |
| − | |petiole some measurement=3cm;10cm
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| − | |pinna shape=oblong
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| − | |pinnule length=3mm;9mm
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| − | |pinnule shape=notched;linear;fan-shaped
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| − | |pinnule width=1mm;7mm
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| − | |rachis coloration=blackish;green
| |
| − | |rachis pubescence=glabrous
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| − | |rachis reflectance=dull
| |
| − | |root reproduction=proliferous
| |
| − | |scale coloration=blackish;blackish
| |
| − | |scale length=1
| |
| − | |scale shape=lanceolate;deltate
| |
| − | |scale width=0.2
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| − | |side orientation=acroscopic
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| − | |sorus count=1;4
| |
| − | |spore development=abortive
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| − | |stem architecture=unbranched
| |
| − | |stem orientation=erect
| |
| − | |vein fusion=free
| |
| − | |vein prominence=evident
| |
| | }}<!-- | | }}<!-- |
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| | -->[[Category:Treatment]][[Category:Asplenium]] | | -->[[Category:Treatment]][[Category:Asplenium]] |
Roots proliferous. Stems erect, unbranched; scales blackish throughout, narrowly deltate, 1 × 0.2 mm, margins entire. Leaves monomorphic. Petiole brownish black, 3–10(–15) cm, 1/3–2/5 length of blade; indument of blackish, narrowly lanceolate scales at base. Blade oblong-lanceolate, 2-pinnate, 10–30 × (1.5–)5–10 cm, thin, glabrous; base not or only slightly tapered; apex gradually narrowing, not rooting. Rachis blackish to green, dull, nearly glabrous. Pinnae in (7–)14–22 pairs, oblong; medial pinnae 1–6 × 0.5–1.5 cm; base truncate; apex pointed. Pinnules linear to fan-shaped to unequally pinnate, 3–9 × 1–7 mm, mostly notched apically. Veins free, evident. Sori 1–4 per segment, usually more on acroscopic side. Spores abortive. 2n = 108.
Habitat: Shaded damp limestone rocks
Elevation: 0–50 m
Discussion
Asplenium × curtissii, sterile and with irregular meiosis, is the product of hybridization between A. abscissum and A. verecundum and occurs with them in central Florida, sometimes forming large colonies by root proliferation. It can readily be separated from A. abscissum by its pinnate blades. From A. verecundum it can be distinguished by its relatively long petioles and less divided blades. Asplenium × curtissi is known only from several localities in north central Florida. It makes a showy conservatory plant.
Selected References
None.
