Difference between revisions of "Stegonia latifolia"
Laubm. Fennosk., 145. 1923,.
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|place=145. 1923, | |place=145. 1923, | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Weissia latifolia | |name=Weissia latifolia | ||
|authority=Schwägrichen | |authority=Schwägrichen | ||
| + | |rank=species | ||
| + | |publication_title=in J. A. Schultes, Reise Glockner | ||
| + | |publication_place=2: 362. 1804 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Pottia latifolia | |name=Pottia latifolia | ||
|authority=(Schwägrichen) Müller Hal. | |authority=(Schwägrichen) Müller Hal. | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pottiaceae;Pottiaceae subfam. Pottioideae;Stegonia;Stegonia latifolia | |hierarchy=Pottiaceae;Pottiaceae subfam. Pottioideae;Stegonia;Stegonia latifolia | ||
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}}<!-- | }}<!-- | ||
| − | --><span class="statement" id="st-undefined" data-properties=""><b>Seta </b>(2–)4–12 mm. <b>Capsule</b> stegocarpous, exerted, ovate-cylindric, to 1–2 mm, operculum short-rostrate, peristome teeth rudimentary or 16, cleft to near base. <b>Also</b> keying to this species is a distinctive new species described but not formally named by B. M. <b>Murray</b> (1992) for Alaska; a formal description will be provided in another publication. <b>The</b> new species shares with Stegonia the characteristic rudimentary peristome, ovate leaf with a triangle of clear cells apically and abaxial cell walls more thickened than the adaxial, and bulliform cells on the adaxial surface of the costa, but possesses three kinds of adaxial costal lamellae: (1) rounded lamellae typical of Pterygoneurum, (2) additional, serrate, papillose lamellae near the leaf apex just distal to the rounded lamellae, and (3) on small leaves only lamellae consisting entirely of bulliform, nonpapillose cells.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Seta </b>(2–)4–12 mm. <b>Capsule</b> stegocarpous, exerted, ovate-cylindric, to 1–2 mm, operculum short-rostrate, peristome teeth rudimentary or 16, cleft to near base. <b>Also</b> keying to this species is a distinctive new species described but not formally named by B. M. <b>Murray</b> (1992) for Alaska; a formal description will be provided in another publication. <b>The</b> new species shares with <i>Stegonia</i> the characteristic rudimentary peristome, ovate leaf with a triangle of clear cells apically and abaxial cell walls more thickened than the adaxial, and bulliform cells on the adaxial surface of the costa, but possesses three kinds of adaxial costal lamellae: (1) rounded lamellae typical of <i>Pterygoneurum</i>, (2) additional, serrate, papillose lamellae near the leaf apex just distal to the rounded lamellae, and (3) on small leaves only lamellae consisting entirely of bulliform, nonpapillose cells.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
|distribution=Widespread in Northern Hemisphere;Antarctic. | |distribution=Widespread in Northern Hemisphere;Antarctic. | ||
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
| − | --><p>Stegonia latifolia is uncommon but distinctive. In section, the leaves show a characteristic thickening of the abaxial superficial cell walls, similar to that of some species of Acaulon, a genus which differs in the red laminal color reaction to KOH and spheric capsules.</p> | + | --><p><i>Stegonia latifolia</i> is uncommon but distinctive. In section, the leaves show a characteristic thickening of the abaxial superficial cell walls, similar to that of some species of <i>Acaulon</i>, a genus which differs in the red laminal color reaction to KOH and spheric capsules.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Stegonia latifolia | name=Stegonia latifolia | ||
| − | |||
|authority=(Schwägrichen) Venturi ex Brotherus | |authority=(Schwägrichen) Venturi ex Brotherus | ||
|rank=species | |rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_870.xml |
|subfamily=Pottiaceae subfam. Pottioideae | |subfamily=Pottiaceae subfam. Pottioideae | ||
|genus=Stegonia | |genus=Stegonia | ||
Latest revision as of 21:29, 5 November 2020
Seta (2–)4–12 mm. Capsule stegocarpous, exerted, ovate-cylindric, to 1–2 mm, operculum short-rostrate, peristome teeth rudimentary or 16, cleft to near base. Also keying to this species is a distinctive new species described but not formally named by B. M. Murray (1992) for Alaska; a formal description will be provided in another publication. The new species shares with Stegonia the characteristic rudimentary peristome, ovate leaf with a triangle of clear cells apically and abaxial cell walls more thickened than the adaxial, and bulliform cells on the adaxial surface of the costa, but possesses three kinds of adaxial costal lamellae: (1) rounded lamellae typical of Pterygoneurum, (2) additional, serrate, papillose lamellae near the leaf apex just distal to the rounded lamellae, and (3) on small leaves only lamellae consisting entirely of bulliform, nonpapillose cells.
Distribution
Widespread in Northern Hemisphere, Antarctic.
Discussion
Varieties 2 (2 in the flora).
Stegonia latifolia is uncommon but distinctive. In section, the leaves show a characteristic thickening of the abaxial superficial cell walls, similar to that of some species of Acaulon, a genus which differs in the red laminal color reaction to KOH and spheric capsules.
Selected References
None.
Key
| 1 | Leaves muticous, costa ending before the apex | Stegonia latifolia var. latifolia |
| 1 | Leaves awned, costa excurrent in most leaves as a hyaline hair point | Stegonia latifolia var. pilifera |