Difference between revisions of "Cheilanthes pringlei"

Davenport

Bull. Torrey Bot. Club 10: 61. 1883.

Common names: Pringle's lip fern
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="stem growth form or orientation;stem diameter"><b>Stems </b>long-creeping, 1–3 mm diam.;</span> <span class="statement" id="st-d0_s1" data-properties="scale coloration;scale coloration;scale shape;scale course;scale arrangement or shape;scale fixation or orientation;scale duration;central stripe prominence;central stripe coloration">scales uniformly brown or with poorly defined, dark, central stripe, linear-lanceolate, straight to slightly contorted, loosely appressed, usually persistent.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>clustered to somewhat scattered, 4–15 cm;</span> <span class="statement" id="st-d0_s3" data-properties="leaf arrangement;leaf arrangement;leaf some measurement">vernation noncircinate.</span> <span class="statement" id="st-d0_s4" data-properties="petiole coloration;petiole architecture"><b>Petiole </b>dark-brown, grooved distally on adaxial surface.</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade shape;blade width"><b>Blade </b>ovate-deltate, 3-pinnate-pinnatifid at base, 1.5–5 cm wide;</span> <span class="statement" id="st-d0_s6" data-properties="rachis architecture;rachis pubescence;scale arrangement;scale shape">rachis grooved adaxially, with scattered, lanceolate scales, not pubescent.</span> <span class="statement" id="st-d0_s7" data-properties="pinna architecture;pinna coloration;basal pinna size;basal pinna pubescence;pinnule arrangement;pinnule shape;pinnule orientation;pinnule size"><b>Pinnae </b>not articulate, dark color of stalk continuing into pinna base, basal pair conspicuously larger than adjacent pair, inequilateral, basiscopic pinnules enlarged, appearing glabrous adaxially.</span> <span class="statement" id="st-d0_s8" data-properties="costa length"><b>Costae </b>green adaxially for most of length;</span> <span class="statement" id="st-d0_s9" data-properties="abaxial scale architecture or arrangement;abaxial scale shape;abaxial scale shape;abaxial scale shape;abaxial scale prominence;abaxial scale size;abaxial scale width;abaxial scale arrangement;basal lobe arrangement;ultimate segment position;ultimate segment architecture or relief;ultimate segment architecture or pubescence or shape">abaxial scales multiseriate, lanceolate, truncate or subcordate at base, without overlapping basal lobes, conspicuous, the largest 0.4–0.8 mm wide, loosely imbricate, not concealing ultimate segments, erose, not ciliate.</span> <span class="statement" id="st-d0_s10" data-properties="ultimate segment shape;ultimate segment shape;ultimate segment size;ultimate segment some measurement;ultimate segment pubescence;ultimate segment pubescence;ultimate segment pubescence;scale count;scale size"><b>Ultimate </b>segments spatulate, not especially beadlike, the largest usually 2–3 mm, abaxially glabrous or with a few small scales near base, adaxially glabrous.</span> <span class="statement" id="st-d0_s11" data-properties="false indusium position;false indusium variability;false indusium width"><b>False </b>indusia marginal, weakly differentiated, 0.05–0.25 mm wide.</span> <span class="statement" id="st-d0_s12" data-properties="sorus architecture or arrangement"><b>Sori </b>discontinuous, confined to apical or lateral lobes.</span> <span class="statement" id="st-d0_s13" data-properties="spore count"><b>Sporangia </b>containing 64 spores.</span> <span class="statement" id="st-d0_s14" data-properties="2n chromosome count">2n = 60.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>long-creeping, 1–3 mm diam.; scales uniformly brown or with poorly defined, dark, central stripe, linear-lanceolate, straight to slightly contorted, loosely appressed, usually persistent. <b>Leaves</b> clustered to somewhat scattered, 4–15 cm; vernation noncircinate. <b>Petiole</b> dark brown, grooved distally on adaxial surface. <b>Blade</b> ovate-deltate, 3-pinnate-pinnatifid at base, 1.5–5 cm wide; rachis grooved adaxially, with scattered, lanceolate scales, not pubescent. <b>Pinnae</b> not articulate, dark color of stalk continuing into pinna base, basal pair conspicuously larger than adjacent pair, inequilateral, basiscopic pinnules enlarged, appearing glabrous adaxially. <b>Costae</b> green adaxially for most of length; abaxial scales multiseriate, lanceolate, truncate or subcordate at base, without overlapping basal lobes, conspicuous, the largest 0.4–0.8 mm wide, loosely imbricate, not concealing ultimate segments, erose, not ciliate. <b>Ultimate</b> segments spatulate, not especially beadlike, the largest usually 2–3 mm, abaxially glabrous or with a few small scales near base, adaxially glabrous. <b>False</b> indusia marginal, weakly differentiated, 0.05–0.25 mm wide. <b>Sori</b> discontinuous, confined to apical or lateral lobes. <b>Sporangia</b> containing 64 spores. <b>2n</b> = 60.</span><!--
  
 
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|phenology=Sporulating late spring–fall.
 
|habitat=Rocky slopes and ledges, usually on igneous substrates
 
|habitat=Rocky slopes and ledges, usually on igneous substrates
 
|elevation=700–1200 m
 
|elevation=700–1200 m
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|basionyms=
 
|basionyms=
 
|family=Pteridaceae
 
|family=Pteridaceae
 +
|phenology=Sporulating late spring–fall.
 
|habitat=Rocky slopes and ledges, usually on igneous substrates
 
|habitat=Rocky slopes and ledges, usually on igneous substrates
 
|elevation=700–1200 m
 
|elevation=700–1200 m
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|publication year=1883
 
|publication year=1883
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_329.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_329.xml
 
|genus=Cheilanthes
 
|genus=Cheilanthes
 
|species=Cheilanthes pringlei
 
|species=Cheilanthes pringlei
|2n chromosome count=60
 
|abaxial scale architecture or arrangement=multiseriate
 
|abaxial scale arrangement=imbricate
 
|abaxial scale prominence=conspicuous
 
|abaxial scale shape=subcordate;truncate;lanceolate
 
|abaxial scale size=largest
 
|abaxial scale width=0.4mm;0.8mm
 
|basal lobe arrangement=overlapping
 
|basal pinna pubescence=glabrous
 
|basal pinna size=conspicuously larger
 
|blade shape=3-pinnate-pinnatifid;ovate-deltate
 
|blade width=1.5cm;5cm
 
|central stripe coloration=dark
 
|central stripe prominence=defined
 
|costa length=green
 
|false indusium position=marginal
 
|false indusium variability=differentiated
 
|false indusium width=0.05mm;0.25mm
 
|leaf arrangement=scattered;clustered to somewhat
 
|leaf some measurement=4cm;15cm
 
|petiole architecture=grooved
 
|petiole coloration=dark-brown
 
|pinna architecture=not articulate
 
|pinna coloration=dark color
 
|pinnule arrangement=adjacent
 
|pinnule orientation=basiscopic
 
|pinnule shape=inequilateral
 
|pinnule size=enlarged
 
|rachis architecture=grooved
 
|rachis pubescence=not pubescent
 
|scale arrangement=scattered
 
|scale arrangement or shape=contorted
 
|scale coloration=with poorly defined , dark , central stripe;brown
 
|scale count=few
 
|scale course=straight
 
|scale duration=persistent
 
|scale fixation or orientation=appressed
 
|scale shape=lanceolate;linear-lanceolate
 
|scale size=small
 
|sorus architecture or arrangement=discontinuous
 
|spore count=64
 
|stem diameter=1mm;3mm
 
|stem growth form or orientation=long-creeping
 
|ultimate segment architecture or pubescence or shape=not ciliate
 
|ultimate segment architecture or relief=erose
 
|ultimate segment position=not concealing
 
|ultimate segment pubescence=glabrous;with a few small scales;glabrous
 
|ultimate segment shape=beadlike;spatulate
 
|ultimate segment size=largest
 
|ultimate segment some measurement=2mm;3mm
 
 
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Revision as of 14:17, 27 July 2019

Stems long-creeping, 1–3 mm diam.; scales uniformly brown or with poorly defined, dark, central stripe, linear-lanceolate, straight to slightly contorted, loosely appressed, usually persistent. Leaves clustered to somewhat scattered, 4–15 cm; vernation noncircinate. Petiole dark brown, grooved distally on adaxial surface. Blade ovate-deltate, 3-pinnate-pinnatifid at base, 1.5–5 cm wide; rachis grooved adaxially, with scattered, lanceolate scales, not pubescent. Pinnae not articulate, dark color of stalk continuing into pinna base, basal pair conspicuously larger than adjacent pair, inequilateral, basiscopic pinnules enlarged, appearing glabrous adaxially. Costae green adaxially for most of length; abaxial scales multiseriate, lanceolate, truncate or subcordate at base, without overlapping basal lobes, conspicuous, the largest 0.4–0.8 mm wide, loosely imbricate, not concealing ultimate segments, erose, not ciliate. Ultimate segments spatulate, not especially beadlike, the largest usually 2–3 mm, abaxially glabrous or with a few small scales near base, adaxially glabrous. False indusia marginal, weakly differentiated, 0.05–0.25 mm wide. Sori discontinuous, confined to apical or lateral lobes. Sporangia containing 64 spores. 2n = 60.


Phenology: Sporulating late spring–fall.
Habitat: Rocky slopes and ledges, usually on igneous substrates
Elevation: 700–1200 m

Discussion

Cheilanthes pringlei is often confused with young, sterile plants of C. fendleri, but it is easily distinguished from the latter by having rachises that are grooved adaxially. This species appears to be restricted to the Sonoran Desert; records from Gila and Cochise counties, Arizona, and southern New Mexico are based on misidentifications.

Selected References

None.

Lower Taxa

None.