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| − | --><span class="statement" id="st-d0_s0" data-properties="mat density"><b>Plants </b>on rock or terrestrial, forming dense mats.</span> <span class="statement" id="st-d0_s1" data-properties="upperside growth form or orientation;upperside shape;underside growth form or orientation;underside shape"><b>Stems </b>not readily fragmenting, prostrate, upperside and underside structurally different, irregularly forked;</span> <span class="statement" id="st-d0_s2" data-properties="branch development;tip orientation">branches determinate, tips upturned.</span> <span class="statement" id="st-d0_s3" data-properties="rhizophore diameter"><b>Rhizophores </b>borne on upperside of stems, throughout stem length, 0.2 mm diam.</span> <span class="statement" id="st-d0_s4" data-properties="leaf growth form;leaf fixation or orientation;leaf orientation;leaf coloration;rank count"><b>Leaves </b>conspicuously dimorphic, in 8 ranks, tightly appressed, ascending, green;</span> <span class="statement" id="st-d0_s5" data-properties="abaxial ridge count">abaxial ridges present;</span> <span class="statement" id="st-d0_s6" data-properties="apex shape;apex shape;apex shape;bristle duration;bristle architecture;bristle coloration;bristle some measurement;branch life cycle">apex with deciduous, twisted, transparent bristle ± 0.3 mm, becoming acute to slightly mucronate in oldest branches.</span> <span class="statement" id="st-d0_s7" data-properties="underside leaf shape;underside leaf shape;underside leaf shape;underside leaf shape;underside leaf length;underside leaf width"><b>Underside </b>leaves lanceolate to lanceolate-elliptic (on central ranks) or falcate (on marginal ranks), 2–2.7 X 0.5–0.7 mm;</span> <span class="statement" id="st-d0_s8" data-properties="base shape;base pubescence">base decurrent, glabrous;</span> <span class="statement" id="st-d0_s9" data-properties="margin architecture or pubescence or shape;cilium coloration;cilium coloration;cilium coloration;cilium orientation;cilium some measurement">margins ciliate, cilia transparent to opaque, spreading, 0.04–0.1 mm.</span> <span class="statement" id="st-d0_s10" data-properties="upperside leaf shape;upperside leaf length;upperside leaf width"><b>Upperside </b>leaves lanceolate, 1.3–1.4 X 0.3–0.4 mm;</span> <span class="statement" id="st-d0_s11" data-properties="base fusion;base pubescence">base abruptly adnate, pubescent, hairs often running along groove;</span> <span class="statement" id="st-d0_s12" data-properties="margin architecture or pubescence or shape;cilium coloration;cilium coloration;cilium coloration;cilium orientation;cilium some measurement">margins ciliate, cilia transparent to opaque, spreading, ca. 0.1 mm.</span> <span class="statement" id="st-d0_s13" data-properties="strobilus architecture or arrangement or growth form;strobilus some measurement"><b>Strobili </b>solitary, 3–8 mm;</span> <span class="statement" id="st-d0_s14" data-properties="sporophyll shape;abaxial ridge prominence;base pubescence;margin architecture or pubescence or shape;apex shape;apex shape;apex shape">sporophylls ovate-deltate, abaxial ridges not prominent, base glabrous, margins ciliate, apex acute to mucronate.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>on rock or terrestrial, forming dense mats. <b>Stems</b> not readily fragmenting, prostrate, upperside and underside structurally different, irregularly forked; branches determinate, tips upturned. <b>Rhizophores</b> borne on upperside of stems, throughout stem length, 0.2 mm diam. <b>Leaves</b> conspicuously dimorphic, in 8 ranks, tightly appressed, ascending, green; abaxial ridges present; apex with deciduous, twisted, transparent bristle ± 0.3 mm, becoming acute to slightly mucronate in oldest branches. <b>Underside</b> leaves lanceolate to lanceolate-elliptic (on central ranks) or falcate (on marginal ranks), 2–2.7 × 0.5–0.7 mm; base decurrent, glabrous; margins ciliate, cilia transparent to opaque, spreading, 0.04–0.1 mm. <b>Upperside</b> leaves lanceolate, 1.3–1.4 × 0.3–0.4 mm; base abruptly adnate, pubescent, hairs often running along groove; margins ciliate, cilia transparent to opaque, spreading, ca. 0.1 mm. <b>Strobili</b> solitary, 3–8 mm; sporophylls ovate-deltate, abaxial ridges not prominent, base glabrous, margins ciliate, apex acute to mucronate.</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_251.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_251.xml |
| | |genus=Selaginella | | |genus=Selaginella |
| | |subgenus=Selaginella subg. Tetragonostachys | | |subgenus=Selaginella subg. Tetragonostachys |
| | |species=Selaginella eremophila | | |species=Selaginella eremophila |
| − | |abaxial ridge count=present
| |
| − | |abaxial ridge prominence=not prominent
| |
| − | |apex shape=acute;mucronate
| |
| − | |base fusion=adnate
| |
| − | |base pubescence=glabrous;pubescent;glabrous
| |
| − | |base shape=decurrent
| |
| − | |branch development=determinate
| |
| − | |branch life cycle=oldest
| |
| − | |bristle architecture=twisted
| |
| − | |bristle coloration=transparent
| |
| − | |bristle duration=deciduous
| |
| − | |bristle some measurement=0.3
| |
| − | |cilium coloration=transparent;opaque
| |
| − | |cilium orientation=spreading;spreading
| |
| − | |cilium some measurement=0.1;0.04mm;0.1mm
| |
| − | |leaf coloration=green
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| − | |leaf fixation or orientation=appressed
| |
| − | |leaf growth form=dimorphic
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| − | |leaf orientation=ascending
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| − | |margin architecture or pubescence or shape=ciliate;ciliate;ciliate
| |
| − | |mat density=dense
| |
| − | |rank count=8
| |
| − | |rhizophore diameter=0.2
| |
| − | |sporophyll shape=ovate-deltate
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| − | |strobilus architecture or arrangement or growth form=solitary
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| − | |strobilus some measurement=3mm;8mm
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| − | |tip orientation=upturned
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| − | |underside growth form or orientation=prostrate
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| − | |underside leaf length=2mm;2.7mm
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| − | |underside leaf shape=lanceolate;lanceolate-elliptic or falcate
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| − | |underside leaf width=0.5mm;0.7mm
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| − | |underside shape=forked
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| − | |upperside growth form or orientation=prostrate
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| − | |upperside leaf length=1.3mm;1.4mm
| |
| − | |upperside leaf shape=lanceolate
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| − | |upperside leaf width=0.3mm;0.4mm
| |
| − | |upperside shape=forked
| |
| | }}<!-- | | }}<!-- |
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| | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] | | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] |
Plants on rock or terrestrial, forming dense mats. Stems not readily fragmenting, prostrate, upperside and underside structurally different, irregularly forked; branches determinate, tips upturned. Rhizophores borne on upperside of stems, throughout stem length, 0.2 mm diam. Leaves conspicuously dimorphic, in 8 ranks, tightly appressed, ascending, green; abaxial ridges present; apex with deciduous, twisted, transparent bristle ± 0.3 mm, becoming acute to slightly mucronate in oldest branches. Underside leaves lanceolate to lanceolate-elliptic (on central ranks) or falcate (on marginal ranks), 2–2.7 × 0.5–0.7 mm; base decurrent, glabrous; margins ciliate, cilia transparent to opaque, spreading, 0.04–0.1 mm. Upperside leaves lanceolate, 1.3–1.4 × 0.3–0.4 mm; base abruptly adnate, pubescent, hairs often running along groove; margins ciliate, cilia transparent to opaque, spreading, ca. 0.1 mm. Strobili solitary, 3–8 mm; sporophylls ovate-deltate, abaxial ridges not prominent, base glabrous, margins ciliate, apex acute to mucronate.
Habitat: Rocky and sandy slopes, in open rock or crevices or in soil
Elevation: 130–1000 m
Distribution
Ariz., Calif., Mexico in Baja California.
Discussion
Selaginella eremophila is most closely related to the Mexican S. parishii L. Underwood and S. landii Greenman & Pfeiffer. In S. eremophila and the following two species, S. arizonica and S. peruviana, the leaves are arranged in 8 conspicuous ranks: 3 underside (2 marginal, 1 central), 2 lateral, and 3 upperside (2 marginal, 1 central).
Selected References
None.
