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| − | --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>on rock or terrestrial, forming clumps.</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture or shape;stem location;stem location;stem shape"><b>Stems </b>radially symmetric, underground (rhizomatous) and aerial, not readily fragmenting, irregularly forked;</span> <span class="statement" id="st-d0_s2" data-properties="stem architecture;stem location;stem architecture or shape;branch count;tip course">rhizomatous and aerial stems often with 1 branch arrested, budlike, tips straight;</span> <span class="statement" id="st-d0_s3" data-properties="stem location;stem orientation;stem orientation">aerial stems erect or occasionally ascending.</span> <span class="statement" id="st-d0_s4" data-properties="rhizophore position;rhizophore count;rhizophore diameter;stem location"><b>Rhizophores </b>borne on upperside of stems, restricted to rhizomes and lower 1/3 of aerial stems, 0.3–0.4 mm diam.</span> <span class="statement" id="st-d0_s5" data-properties="leaf growth form;leaf arrangement"><b>Leaves </b>dimorphic, not clearly ranked.</span> <span class="statement" id="st-d0_s6" data-properties="stem-leaf architecture;stem-leaf duration;stem-leaf fixation or orientation;stem-leaf shape"><b>Rhizomatous </b>stem-leaves persistent, tightly appressed, scalelike.</span> <span class="statement" id="st-d0_s7" data-properties="stem-leaf location;stem-leaf fixation or orientation;stem-leaf orientation;stem-leaf coloration;stem-leaf shape;stem-leaf shape;stem-leaf shape;stem-leaf length;stem-leaf atypical width;stem-leaf width"><b>Aerial </b>stem-leaves appressed, ascending, green, linear-lanceolate to narrowly lanceolate, 2.2–3.8 X 0.29–0.4 (–0.75) mm;</span> <span class="statement" id="st-d0_s8" data-properties="abaxial ridge count">abaxial ridges present;</span> <span class="statement" id="st-d0_s9" data-properties="base fusion;base shape;base architecture;base pubescence;base pubescence">base abruptly adnate, cordate to almost peltate, pubescent or sometimes glabrous;</span> <span class="statement" id="st-d0_s10" data-properties="margin architecture or pubescence or shape;margin shape;cilium coloration;cilium coloration;cilium coloration;cilium coloration;cilium orientation;cilium orientation;cilium some measurement">margins short-ciliate at base, denticulate toward apex, cilia white to transparent or greenish, spreading at base, ascending toward apex, 0.02–0.08 mm;</span> <span class="statement" id="st-d0_s11" data-properties="apex shape;apex shape">apex keeled, bristled;</span> <span class="statement" id="st-d0_s12" data-properties="bristle pubescence;bristle pubescence or relief;bristle coloration;bristle coloration;bristle coloration;bristle some measurement">bristle puberulent, rough, transparent to whitish, 0.23–0.75 mm.</span> <span class="statement" id="st-d0_s13" data-properties="strobilus architecture or arrangement or growth form;strobilus atypical some measurement;strobilus some measurement"><b>Strobili </b>solitary, (0.4–) 1–1.5 cm;</span> <span class="statement" id="st-d0_s14" data-properties="sporophyll shape;sporophyll shape;sporophyll shape;abaxial ridge prominence;base pubescence;margin shape;margin shape;margin shape">sporophylls ovatelanceolate to lanceolate, abaxial ridges not prominent, base glabrous, margins short-ciliate to denticulate, apex bristled.</span> <span class="statement" id="st-d0_s15" data-properties="apex shape;2n chromosome count">2n = 18.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>on rock or terrestrial, forming clumps. <b>Stems</b> radially symmetric, underground (rhizomatous) and aerial, not readily fragmenting, irregularly forked; rhizomatous and aerial stems often with 1 branch arrested, budlike, tips straight; aerial stems erect or occasionally ascending. <b>Rhizophores</b> borne on upperside of stems, restricted to rhizomes and lower 1/3 of aerial stems, 0.3–0.4 mm diam. <b>Leaves</b> dimorphic, not clearly ranked. <b>Rhizomatous</b> stem leaves persistent, tightly appressed, scalelike. <b>Aerial</b> stem leaves appressed, ascending, green, linear-lanceolate to narrowly lanceolate, 2.2–3.8 × 0.29–0.4(–0.75) mm; abaxial ridges present; base abruptly adnate, cordate to almost peltate, pubescent or sometimes glabrous; margins short-ciliate at base, denticulate toward apex, cilia white to transparent or greenish, spreading at base, ascending toward apex, 0.02–0.08 mm; apex keeled, bristled; bristle puberulent, rough, transparent to whitish, 0.23–0.75 mm. <b>Strobili</b> solitary, (0.4–)1–1.5 cm; sporophylls ovate-lanceolate to lanceolate, abaxial ridges not prominent, base glabrous, margins short-ciliate to denticulate, apex bristled. <b>2n</b> = 18.</span><!-- |
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| | |publication year=1898 | | |publication year=1898 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_67.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_67.xml |
| | |genus=Selaginella | | |genus=Selaginella |
| | |subgenus=Selaginella subg. Tetragonostachys | | |subgenus=Selaginella subg. Tetragonostachys |
| | |species=Selaginella bigelovii | | |species=Selaginella bigelovii |
| − | |2n chromosome count=18
| |
| − | |abaxial ridge count=present
| |
| − | |abaxial ridge prominence=not prominent
| |
| − | |apex shape=bristled;bristled;keeled
| |
| − | |base architecture=peltate
| |
| − | |base fusion=adnate
| |
| − | |base pubescence=glabrous;glabrous;pubescent
| |
| − | |base shape=cordate
| |
| − | |branch count=1
| |
| − | |bristle coloration=transparent;whitish
| |
| − | |bristle pubescence=puberulent
| |
| − | |bristle pubescence or relief=rough
| |
| − | |bristle some measurement=0.23mm;0.75mm
| |
| − | |cilium coloration=white;transparent or greenish
| |
| − | |cilium orientation=ascending;spreading
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| − | |cilium some measurement=0.02mm;0.08mm
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| − | |leaf arrangement=ranked
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| − | |leaf growth form=dimorphic
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| − | |margin architecture or pubescence or shape=short-ciliate
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| − | |margin shape=short-ciliate;denticulate
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| − | |rhizophore count=1/3
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| − | |rhizophore diameter=0.3mm;0.4mm
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| − | |rhizophore position=lower
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| − | |sporophyll shape=ovatelanceolate;lanceolate
| |
| − | |stem architecture=rhizomatous
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| − | |stem architecture or shape=budlike;symmetric
| |
| − | |stem location=aerial;aerial;aerial;aerial;underground
| |
| − | |stem orientation=ascending;erect
| |
| − | |stem shape=forked
| |
| − | |stem-leaf architecture=rhizomatous
| |
| − | |stem-leaf atypical width=0.4mm;0.75mm
| |
| − | |stem-leaf coloration=green
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| − | |stem-leaf duration=persistent
| |
| − | |stem-leaf fixation or orientation=appressed;appressed
| |
| − | |stem-leaf length=2.2mm;3.8mm
| |
| − | |stem-leaf location=aerial
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| − | |stem-leaf orientation=ascending
| |
| − | |stem-leaf shape=linear-lanceolate;narrowly lanceolate
| |
| − | |stem-leaf width=0.29mm;0.4mm
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| − | |strobilus architecture or arrangement or growth form=solitary
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| − | |strobilus atypical some measurement=0.4cm;1cm
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| − | |strobilus some measurement=1cm;1.5cm
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| − | |tip course=straight
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| | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] | | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] |
Plants on rock or terrestrial, forming clumps. Stems radially symmetric, underground (rhizomatous) and aerial, not readily fragmenting, irregularly forked; rhizomatous and aerial stems often with 1 branch arrested, budlike, tips straight; aerial stems erect or occasionally ascending. Rhizophores borne on upperside of stems, restricted to rhizomes and lower 1/3 of aerial stems, 0.3–0.4 mm diam. Leaves dimorphic, not clearly ranked. Rhizomatous stem leaves persistent, tightly appressed, scalelike. Aerial stem leaves appressed, ascending, green, linear-lanceolate to narrowly lanceolate, 2.2–3.8 × 0.29–0.4(–0.75) mm; abaxial ridges present; base abruptly adnate, cordate to almost peltate, pubescent or sometimes glabrous; margins short-ciliate at base, denticulate toward apex, cilia white to transparent or greenish, spreading at base, ascending toward apex, 0.02–0.08 mm; apex keeled, bristled; bristle puberulent, rough, transparent to whitish, 0.23–0.75 mm. Strobili solitary, (0.4–)1–1.5 cm; sporophylls ovate-lanceolate to lanceolate, abaxial ridges not prominent, base glabrous, margins short-ciliate to denticulate, apex bristled. 2n = 18.
Habitat: Exposed rock crevices, cliffs, boulders, sandstone or igneous rock, serpentine, or gravelly soil
Elevation: 0–2000 m
Distribution
Calif., Mexico in Baja California.
Discussion
Selaginella bigelovii is a member of the series Arenicolae (R. M. Tryon 1955) and is closely related to S. rupincola (see discussion). It may be confused with S. × neomexicana. Selaginella bigelovii, however, always has well-developed megasporangia with most of the megaspores and microspores well formed, whereas S. × neomexicana is a presumed sterile hybrid that does not form megaspores, seldom forms microspores, and usually has most sporangia misshapen (R. M. Tryon 1955). Moreover, S. × neomexicana has not been reported from either California or Baja California.
Selected References
None.
