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| − | --><span class="statement" id="st-d0_s0" data-properties="mat shape;mat shape"><b>Plants </b>on rock, forming rounded cushionlike mats.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stem growth form or orientation;stem growth form or orientation"><b>Stems </b>decumbent to short-creeping, dry stems readily fragmenting;</span> <span class="statement" id="st-d0_s2" data-properties="stem condition or texture;stem shape;branch architecture or shape;tip course">irregularly forked, without budlike arrested branches, tips straight;</span> <span class="statement" id="st-d0_s3" data-properties="main-stem development;upperside development;underside development;lateral branch architecture or shape;lateral branch development;lateral branch orientation;lateral branch shape">main-stem upperside and underside structurally slightly different, inconspicuously indeterminate, lateral branches radially symmetric, determinate, strongly ascending, 1-forked.</span> <span class="statement" id="st-d0_s4" data-properties="rhizophore diameter"><b>Rhizophores </b>borne on upperside of stems, throughout stem length, 0.2–0.35 mm diam.</span> <span class="statement" id="st-d0_s5" data-properties="leaf architecture;leaf fixation or orientation;leaf orientation;leaf coloration;leaf shape;leaf shape;leaf shape;leaf shape;leaf length;leaf width;pseudowhorl arrangement;pseudowhorl count"><b>Leaves </b>monomorphic, ± in alternate pseudowhorls of 4, tightly appressed, ascending, green, linear-oblong to linear-lanceolate, sometimes falcate on lateral rows (on main-stem), 2–4.5 X 0.5–0.65 mm (usually smaller on young ascending branches);</span> <span class="statement" id="st-d0_s6" data-properties="abaxial ridge count">abaxial ridges present;</span> <span class="statement" id="st-d0_s7" data-properties="base shape;base shape;base pubescence">base cuneate and decurrent (rounded and adnate on young branches), glabrous;</span> <span class="statement" id="st-d0_s8" data-properties="margin architecture or pubescence or shape;cilium coloration;cilium arrangement;cilium orientation;whole_organism some measurement">margins short-ciliate, cilia transparent, scattered, spreading at base to ascending and dentiform toward apex, 0.07–0.15 mm;</span> <span class="statement" id="st-d0_s9" data-properties="apex shape;apex shape;apex shape;apex shape">apex slightly attenuate and bristled or obtuse and abruptly bristled;</span> <span class="statement" id="st-d0_s10" data-properties="bristle coloration;bristle coloration;bristle pubescence;bristle some measurement">bristle whitish or transparent, puberulent, 0.2–0.6 mm.</span> <span class="statement" id="st-d0_s11" data-properties="strobilus architecture or arrangement or growth form;strobilus some measurement"><b>Strobili </b>solitary, 0.4–1.5 cm;</span> <span class="statement" id="st-d0_s12" data-properties="sporophyll shape;sporophyll shape;abaxial ridge prominence;base pubescence;margin shape;margin shape;margin shape;apex shape;bristle height or length or size">sporophylls deltate-ovate or lanceolate, abaxial ridges moderately defined, base glabrous, margins short-ciliate to denticulate, apex acuminate with very short bristle.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>on rock, forming rounded cushionlike mats. <b>Stems</b> decumbent to short-creeping, dry stems readily fragmenting; irregularly forked, without budlike arrested branches, tips straight; main stem upperside and underside structurally slightly different, inconspicuously indeterminate, lateral branches radially symmetric, determinate, strongly ascending, 1-forked. <b>Rhizophores</b> borne on upperside of stems, throughout stem length, 0.2–0.35 mm diam. <b>Leaves</b> monomorphic, ± in alternate pseudowhorls of 4, tightly appressed, ascending, green, linear-oblong to linear-lanceolate, sometimes falcate on lateral rows (on main stem), 2–4.5 × 0.5–0.65 mm (usually smaller on young ascending branches); abaxial ridges present; base cuneate and decurrent (rounded and adnate on young branches), glabrous; margins short-ciliate, cilia transparent, scattered, spreading at base to ascending and dentiform toward apex, 0.07–0.15 mm; apex slightly attenuate and bristled or obtuse and abruptly bristled; bristle whitish or transparent, puberulent, 0.2–0.6 mm. <b>Strobili</b> solitary, 0.4–1.5 cm; sporophylls deltate-ovate or lanceolate, abaxial ridges moderately defined, base glabrous, margins short-ciliate to denticulate, apex acuminate with very short bristle.</span><!-- |
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| | |publication year=1920 | | |publication year=1920 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_750.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_750.xml |
| | |genus=Selaginella | | |genus=Selaginella |
| | |subgenus=Selaginella subg. Tetragonostachys | | |subgenus=Selaginella subg. Tetragonostachys |
| | |species=Selaginella leucobryoides | | |species=Selaginella leucobryoides |
| − | |abaxial ridge count=present
| |
| − | |abaxial ridge prominence=defined
| |
| − | |apex shape=acuminate;bristled;obtuse;bristled;attenuate
| |
| − | |base pubescence=glabrous;glabrous
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| − | |base shape=decurrent;cuneate
| |
| − | |branch architecture or shape=budlike
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| − | |bristle coloration=transparent;whitish
| |
| − | |bristle height or length or size=short
| |
| − | |bristle pubescence=puberulent
| |
| − | |bristle some measurement=0.2mm;0.6mm
| |
| − | |cilium arrangement=scattered
| |
| − | |cilium coloration=transparent
| |
| − | |cilium orientation=spreading
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| − | |lateral branch architecture or shape=symmetric
| |
| − | |lateral branch development=determinate
| |
| − | |lateral branch orientation=ascending
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| − | |lateral branch shape=1-forked
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| − | |leaf architecture=monomorphic
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| − | |leaf coloration=green
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| − | |leaf fixation or orientation=appressed
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| − | |leaf length=2mm;4.5mm
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| − | |leaf orientation=ascending
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| − | |leaf shape=falcate;linear-oblong;linear-lanceolate
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| − | |leaf width=0.5mm;0.65mm
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| − | |main-stem development=indeterminate
| |
| − | |margin architecture or pubescence or shape=short-ciliate
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| − | |margin shape=short-ciliate;denticulate
| |
| − | |mat shape=cushionlike;rounded
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| − | |pseudowhorl arrangement=alternate
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| − | |pseudowhorl count=4
| |
| − | |rhizophore diameter=0.2mm;0.35mm
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| − | |sporophyll shape=lanceolate;deltate-ovate
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| − | |stem condition or texture=dry
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| − | |stem growth form or orientation=decumbent;short-creeping
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| − | |stem shape=forked
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| − | |strobilus architecture or arrangement or growth form=solitary
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| − | |strobilus some measurement=0.4cm;1.5cm
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| − | |tip course=straight
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| − | |underside development=indeterminate
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| − | |upperside development=indeterminate
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| − | |whole_organism some measurement=0.07mm;0.15mm
| |
| | }}<!-- | | }}<!-- |
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| | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] | | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] |
Plants on rock, forming rounded cushionlike mats. Stems decumbent to short-creeping, dry stems readily fragmenting; irregularly forked, without budlike arrested branches, tips straight; main stem upperside and underside structurally slightly different, inconspicuously indeterminate, lateral branches radially symmetric, determinate, strongly ascending, 1-forked. Rhizophores borne on upperside of stems, throughout stem length, 0.2–0.35 mm diam. Leaves monomorphic, ± in alternate pseudowhorls of 4, tightly appressed, ascending, green, linear-oblong to linear-lanceolate, sometimes falcate on lateral rows (on main stem), 2–4.5 × 0.5–0.65 mm (usually smaller on young ascending branches); abaxial ridges present; base cuneate and decurrent (rounded and adnate on young branches), glabrous; margins short-ciliate, cilia transparent, scattered, spreading at base to ascending and dentiform toward apex, 0.07–0.15 mm; apex slightly attenuate and bristled or obtuse and abruptly bristled; bristle whitish or transparent, puberulent, 0.2–0.6 mm. Strobili solitary, 0.4–1.5 cm; sporophylls deltate-ovate or lanceolate, abaxial ridges moderately defined, base glabrous, margins short-ciliate to denticulate, apex acuminate with very short bristle.
Habitat: In rock crevices or on exposed rock
Elevation: 800–2800 m
Distribution
Ariz., Calif., Nev.
Discussion
Selaginella leucobryoides has very tightly intertwined stems that readily fragment, a characteristic shared with S. utahensis and S. asprella. Selaginella leucobryoides is very closely related to, and difficult to separate from, S. utahensis (see discussion).
Selected References
None.
