View source for Weissia phascopsis

{{Treatment/ID
|accepted_name=Weissia phascopsis
|accepted_authority=R. H. Zander
|publications={{Treatment/Publication
|title=Monogr. Syst. Bot. Missouri Bot. Gard.
|place=11: 196. 1985,
}}
|basionyms={{Treatment/ID/Synonym
|name=Gymnostomum phascoides
|authority=Drummond
}}
|synonyms={{Treatment/ID/Synonym
|name=Astomum phascoides
|authority=(Drummond) Grout
}}{{Treatment/ID/Synonym
|name=Hymenostomum rostellatum var. phascoides
|authority=(Drummond) Cardot
}}{{Treatment/ID/Synonym
|name=Weissia rostellata var. phascoides
|authority=(Drummond) W. D. Reese & B. A. E. Lemmon
}}
|hierarchy=Pottiaceae;Pottiaceae subfam. Trichostomoideae;Weissia;Weissia phascopsis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pottiaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Pottiaceae subfam. Trichostomoideae]]</div><div class="higher-taxon"><small>genus</small>[[Weissia]]</div><div class="higher-taxon"><small>species</small>[[Weissia phascopsis]]</div></div>
|volume=Volume 27
|mention_page=page 513, 517
|treatment_page=page 516
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>long-lanceolate, base broadly elliptical, shoulders absent, distal laminal margins strongly and sharply incurved or inrolled, apex narrowly channeled, acute, mucro strong, of 6–10 cells; costal adaxial stereid band smaller than the abaxial; distal laminal cells 8–10 µm wide. <b>Sexual</b> condition cladautoicous. <b>Seta</b> short, 0.015–0.017 cm not including the vaginula. <b>Capsule</b> cleistocarpic, elliptic to ovoid with a long-rostrate apiculus.</span><!--

-->{{Treatment/Body
|phenology=Capsules mature winter–spring.
|habitat=Soil
|elevation=moderate elevations
|distribution=Que.;Sask.;Ariz.;Kans.;Minn.;Nebr.;N.Mex.;N.Y.;Ohio;Okla.;Tex.;Va.;Europe.
|discussion=<p>Some capsules of Weissia phascopsis show rudimentary peristomes, of 1–8 teeth, each of 1–2 articulations, which may vary in a tuft, and aborted spores were not seen. The possible hybrid origin of this species has been discussed by A. L. Andrews (1920, 1922, 1924, 1933). C. Williams (1966) found possible natural hybrids in Ontario between W. controversa and W. muhlenbergiana, which differed from W. phascopsis by the large number of abortive spores and rudimentary peristome teeth (16 with 4 articulations). The difference in number of teeth and articulations indicates that W. phascopsis is either not a hybrid or it has backcrossed to W. muhlenbergiana. H. A. Crum and L. E. Anderson (1981) gave a clear summary of the problem. Species previously placed in Astomum are here presented as separate species pending a better analysis of the genetic basis of differences in traits. The gametophyte of W. phascopsis is much the same as that of W. controversa, which supports a theory of hybrid origin of the sporophyte. Further evidence is the occasional rudimentary peristome. The sexuality, however, is cladautoicous. This, and the multiple identical sporophytes per turf, each with no or few aborted spores, argue against outcrossing. There is no evidence for differential timing of maturation and dehiscence of archegonia and antheridia.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Weissia phascopsis
|author=
|authority=R. H. Zander
|rank=species
|parent rank=genus
|synonyms=Astomum phascoides;Hymenostomum rostellatum var. phascoides;Weissia rostellata var. phascoides
|basionyms=Gymnostomum phascoides
|family=Pottiaceae
|phenology=Capsules mature winter–spring.
|habitat=Soil
|elevation=moderate elevations
|distribution=Que.;Sask.;Ariz.;Kans.;Minn.;Nebr.;N.Mex.;N.Y.;Ohio;Okla.;Tex.;Va.;Europe.
|reference=None
|publication title=Monogr. Syst. Bot. Missouri Bot. Gard.
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V27/V27_741.xml
|subfamily=Pottiaceae subfam. Trichostomoideae
|genus=Weissia
|species=Weissia phascopsis
}}<!--

-->[[Category:Treatment]][[Category:Weissia]]