View source for Syntrichia fragilis

{{Treatment/ID
|accepted_name=Syntrichia fragilis
|accepted_authority=(Taylor) Ochyra
|publications={{Treatment/Publication
|title=Fragm. Florist. Geobot.
|place=37: 212. 1992,
}}
|basionyms={{Treatment/ID/Basionym
|name=Tortula fragilis
|authority=Taylor
|rank=species
|publication_title=London J. Bot.
|publication_place=6: 333. 1847
}}
|synonyms=
|hierarchy=Pottiaceae;Pottiaceae subfam. Pottioideae;Syntrichia;Syntrichia fragilis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pottiaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Pottiaceae subfam. Pottioideae]]</div><div class="higher-taxon"><small>genus</small>[[Syntrichia]]</div><div class="higher-taxon"><small>species</small>[[Syntrichia fragilis]]</div></div>
|volume=Volume 27
|mention_page=page 619, 620, 621, 622
|treatment_page=page 623
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>(5–)10–25 mm. <b>Leaves</b> crowded, longitudinally folded and spirally twisted around the stem (but little crisped) when dry, wide-spreading when moist, oblong-lingulate to spatulate, 2–3.5 × 0.75–1 mm, fragile, with sheets of cells breaking off, sometimes along lines of weakness; margins revolute before to as much as 1/2 the leaf length, to plane, entire or crenulate; apices truncate to acute; costa percurrent or slightly excurrent as a mucro 1–3(–5) cells long, yellow or red, finely to strongly papillose abaxially, abruptly tapered; basal cells abruptly differentiated, becoming rather abruptly short-rectangular near the margins; distal cells quadrate-hexagonal, 9–15 µm, bulging, with 3–8 papillae per cell, with moderately thick walls, not particularly collenchymatous; distal marginal cells not or weakly to strongly differentiated as a border of brownish, thicker-walled cells in about 2–3 rows. <b>Specialized</b> asexual reproduction absent. <b>Sexual</b> condition dioicous. <b>Seta</b> red, 10–15 mm. <b>Capsule</b> red, (1.5–)2–4 mm, slightly curved, rather gradually tapered to the seta or with a distinct neck; operculum 1–1.5 mm, red; peristome 1–1.5 mm, teeth twisted about 1/2 turn, the distal divisions yellow, the basal membrane pale, about 1/4 the total length. <b>Spores</b> 13–20 µm, densely papillose.</span><!--

-->{{Treatment/Body
|habitat=Bark of trees, rock (usually calcareous), occasionally soil
|elevation=low to high elevations
|distribution=Ariz.;N.Mex.;N.C.;Okla.;Tenn.;Tex.;Va.;W.Va.;Mexico;Central America;South America;Europe;Asia (China;Iran);Pacific Islands (Hawaii).
|discussion=<p><i>Syntrichia fragilis</i> shows considerable variability in size and leaf shape (apparently correlated with habitat conditions). In some small, corticolous plants, extreme fragmentation is evident, with an abnormal development of the lamina beyond the usual outline of the leaf. In such plants, several regions of each leaf seem to remain meristematic and produce scalloped or ruffled extensions that eventually break off. Fragility of leaves should not be considered an infallibly diagnostic character, however, since some plants of <i>S. fragilis</i> have quite firm leaves, and the leaves of some other species, particularly when old, may become broken.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Syntrichia fragilis
|authority=(Taylor) Ochyra
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Tortula fragilis
|family=Pottiaceae
|habitat=Bark of trees, rock (usually calcareous), occasionally soil
|elevation=low to high elevations
|distribution=Ariz.;N.Mex.;N.C.;Okla.;Tenn.;Tex.;Va.;W.Va.;Mexico;Central America;South America;Europe;Asia (China;Iran);Pacific Islands (Hawaii).
|reference=None
|publication title=Fragm. Florist. Geobot.
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V27/V27_910.xml
|subfamily=Pottiaceae subfam. Pottioideae
|genus=Syntrichia
|species=Syntrichia fragilis
}}<!--

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