Difference between revisions of "Selaginella underwoodii"
in Engler & Prantl, Nat. Pflanzenfam. 1: 714. 1901.
Common names: Underwood's spike-moss
Basionym: Selaginella fendleri (L. Underwood) Hieronymus 1900,
Treatment appears in FNA Volume 2.
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|accepted_name=Selaginella underwoodii | |accepted_name=Selaginella underwoodii | ||
| − | |accepted_authority=Hieronymus | + | |accepted_authority=Hieronymus |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=in Engler & Prantl,Nat. Pflanzenfam. | + | |title=in Engler & Prantl, Nat. Pflanzenfam. |
|place=1: 714. 1901 | |place=1: 714. 1901 | ||
|year=1901 | |year=1901 | ||
}} | }} | ||
|common_names=Underwood's spike-moss | |common_names=Underwood's spike-moss | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Selaginella fendleri | |name=Selaginella fendleri | ||
|authority=(L. Underwood) Hieronymus | |authority=(L. Underwood) Hieronymus | ||
| + | |rank=species | ||
| + | |publication_title= | ||
| + | |publication_place=1900, | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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}}<!-- | }}<!-- | ||
| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>on rock, forming loose festoonlike mats or rarely compact mats. <b>Stems</b> radially symmetric, long-creeping, short-creeping, or pendent, not readily fragmenting, irregularly forked, without budlike arrested branches, tips straight; main stem indeterminate, lateral branches determinate, spreading, 1–2-forked. <b>Rhizophores</b> borne on upperside of stems, throughout stem length, 0.15–0.27(–0.3) mm diam. <b>Leaves</b> monomorphic, in alternate pseudowhorls of 4 (on main stem and older lateral branches) or 3 (on young lateral branches and secondary branches), loosely appressed, ascending, green, linear to linear-lanceolate or narrowly triangular-lanceolate, (2–)2.5–3.4 × 0.45–0.5(–0.7) mm; abaxial ridges prominent; base mostly cuneate and decurrent, rarely rounded and adnate (on young branches), pubescent or glabrous; margins entire to denticulate or very short-ciliate, cilia transparent, scattered, mostly ascending, dentiform toward apex, 0.02–0.07 mm; apex keeled, slightly attenuate, short- to long-bristled; bristle transparent greenish to greenish-yellowish, rarely white, smooth, seldom slightly puberulent, sometimes breaking off, 0.25–0.7(–1) mm. <b>Strobili</b> sometimes paired, 0.5–3.5 cm; sporophylls lanceolate to ovate-lanceolate, abaxial ridges prominent, base glabrous, with prominent auricles (no other species has such prominent auricles), margins entire or very short-ciliate to denticulate, apex keeled, short- to long-bristled.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=(800–)1500–3000(–4000) m | |elevation=(800–)1500–3000(–4000) m | ||
|distribution=Ariz.;Colo.;N.Mex.;Okla.;Tex.;Utah;Wyo.;Mexico in Chihuahua and Nuevo León. | |distribution=Ariz.;Colo.;N.Mex.;Okla.;Tex.;Utah;Wyo.;Mexico in Chihuahua and Nuevo León. | ||
| − | |discussion=<p>R. M. Tryon (1971) reported that the bristle on Selaginella underwoodii leaves is longer (to 1.44 mm) in the southern part of the range and shorter (to 0.43 mm) northward and in central Arizona. Selaginella underwoodii seems to be closely related to S. oregana, perhaps sharing a common ancestor.</p> | + | |discussion=<p>R. M. Tryon (1971) reported that the bristle on <i>Selaginella underwoodii</i> leaves is longer (to 1.44 mm) in the southern part of the range and shorter (to 0.43 mm) northward and in central Arizona. <i>Selaginella underwoodii</i> seems to be closely related to <i>S. oregana</i>, perhaps sharing a common ancestor.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Selaginella underwoodii | name=Selaginella underwoodii | ||
| − | + | |authority=Hieronymus | |
| − | |authority=Hieronymus | ||
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|distribution=Ariz.;Colo.;N.Mex.;Okla.;Tex.;Utah;Wyo.;Mexico in Chihuahua and Nuevo León. | |distribution=Ariz.;Colo.;N.Mex.;Okla.;Tex.;Utah;Wyo.;Mexico in Chihuahua and Nuevo León. | ||
|reference=None | |reference=None | ||
| − | |publication title=in Engler & Prantl,Nat. Pflanzenfam. | + | |publication title=in Engler & Prantl, Nat. Pflanzenfam. |
|publication year=1901 | |publication year=1901 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_58.xml |
|genus=Selaginella | |genus=Selaginella | ||
|subgenus=Selaginella subg. Tetragonostachys | |subgenus=Selaginella subg. Tetragonostachys | ||
|species=Selaginella underwoodii | |species=Selaginella underwoodii | ||
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-->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] | -->[[Category:Treatment]][[Category:Selaginella subg. Tetragonostachys]] | ||
Latest revision as of 21:24, 5 November 2020
Plants on rock, forming loose festoonlike mats or rarely compact mats. Stems radially symmetric, long-creeping, short-creeping, or pendent, not readily fragmenting, irregularly forked, without budlike arrested branches, tips straight; main stem indeterminate, lateral branches determinate, spreading, 1–2-forked. Rhizophores borne on upperside of stems, throughout stem length, 0.15–0.27(–0.3) mm diam. Leaves monomorphic, in alternate pseudowhorls of 4 (on main stem and older lateral branches) or 3 (on young lateral branches and secondary branches), loosely appressed, ascending, green, linear to linear-lanceolate or narrowly triangular-lanceolate, (2–)2.5–3.4 × 0.45–0.5(–0.7) mm; abaxial ridges prominent; base mostly cuneate and decurrent, rarely rounded and adnate (on young branches), pubescent or glabrous; margins entire to denticulate or very short-ciliate, cilia transparent, scattered, mostly ascending, dentiform toward apex, 0.02–0.07 mm; apex keeled, slightly attenuate, short- to long-bristled; bristle transparent greenish to greenish-yellowish, rarely white, smooth, seldom slightly puberulent, sometimes breaking off, 0.25–0.7(–1) mm. Strobili sometimes paired, 0.5–3.5 cm; sporophylls lanceolate to ovate-lanceolate, abaxial ridges prominent, base glabrous, with prominent auricles (no other species has such prominent auricles), margins entire or very short-ciliate to denticulate, apex keeled, short- to long-bristled.
Habitat: Moist or shaded cliffs, rocky slopes, rock crevices, granitic outcrops, hanging over granite cliffs, sandstone or limestone ledges
Elevation: (800–)1500–3000(–4000) m
Distribution
Ariz., Colo., N.Mex., Okla., Tex., Utah, Wyo., Mexico in Chihuahua and Nuevo León.
Discussion
R. M. Tryon (1971) reported that the bristle on Selaginella underwoodii leaves is longer (to 1.44 mm) in the southern part of the range and shorter (to 0.43 mm) northward and in central Arizona. Selaginella underwoodii seems to be closely related to S. oregana, perhaps sharing a common ancestor.
Selected References
None.
Lower Taxa
None.
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