View source for Hymenostylium recurvirostrum var. recurvirostrum

{{Treatment/ID
|accepted_name=Hymenostylium recurvirostrum var. recurvirostrum
|accepted_authority=
|publications=
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Gymnostomum recurvirostrum var. commutatum
|authority=(J. E. Zetterstedt) H. A. Crum
|rank=variety
}} {{Treatment/ID/Synonym
|name=Gymnostomum recurvirostrum var. latifolium
|authority=(Lindberg) Grout
|rank=variety
}} {{Treatment/ID/Synonym
|name=Gymnostomum recurvirostrum var. scabrum
|authority=(Mitten) Podpera
|rank=variety
}} {{Treatment/ID/Synonym
|name=Hymenostylium recurvirostrum var. commutatum
|authority=(Lindberg) Podpera
|rank=variety
}} {{Treatment/ID/Synonym
|name=Hymenostylium recurvirostrum var. scabrum
|authority=
|rank=variety
}}
|hierarchy=Pottiaceae;Pottiaceae subfam. Barbuloideae;Hymenostylium;Hymenostylium recurvirostrum;Hymenostylium recurvirostrum var. recurvirostrum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pottiaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Pottiaceae subfam. Barbuloideae]]</div><div class="higher-taxon"><small>genus</small>[[Hymenostylium]]</div><div class="higher-taxon"><small>species</small>[[Hymenostylium recurvirostrum]]</div><div class="higher-taxon"><small>variety</small>[[Hymenostylium recurvirostrum var. recurvirostrum]]</div></div>
|volume=Volume 27
|mention_page=page 578, 580
|treatment_page=page 579
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stem </b>hyalodermis variably present, absent especially in depauperate plants. <b>Leaves</b> erect-spreading wet or dry, mostly 1–1.6(–2) mm, margins narrowly recurved proximally, rarely distally 2-stratose, base not differentiated in shape or ovate.</span><!--

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|phenology=Capsules mature late summer–fall.
|habitat=Calcareous regions, seepy bluffs to moist, seepy ledges and cracks, moist soil along waterfalls, streams and rivers, limestone and calcareous rocks and sediments, cedar barrens (sandstone), forested and more exposed stations
|elevation=low to high elevations (0-1900 m)
|distribution=Greenland;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;Que.;Yukon;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Fla.;Idaho;Ill.;Ind.;Iowa;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;Nev.;N.J.;N.Mex.;N.Y.;N.C.;Ohio;Pa.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico;West Indies;Bermuda;Central America;South America;Europe;Asia;Africa;Atlantic Islands;Pacific Islands (New Zealand).
|discussion=<p>Leaves of <i></i>var.<i> recurvirostrum</i> in boreal or arctic areas are regularly strict when wet or dry, smooth and pellucid, characters previously assigned to <i></i>var.<i> commutatum</i>, and seem to be characteristic only of depauperate morphology. Many of the leaves are deltoid; the stem hyalodermis is also absent and the sclerodermis reduced to one layer, the adaxial stereid layer reduced to only two cells. Collections may have papillae on stems, the papillae often tall (scabrous) or even taller (horrid), and such collections may be named var. scabrum or <i></i>var.<i> latifolium</i>. This taxonomic designation would be more impressive were there some associated ecological or geographical character, which does not seem to be the case. Variety recurvirostrum is generally treated as one variable taxon throughout the flora area. S. Flowers (1973) recognized two more or less geographically distinct morphological types of <i></i>var.<i> recurvirostrum</i> in Utah: one with a narrowly and gradually acuminate apex with a wide base with erect-patent to patent leaves, the other more abruptly acute-acuminate, more broad in the distal part of the leaf (as in <i></i>var.<i> insigne</i>) with leaves squarrose-recurved. It is tempting to read intergradations with <i></i>var.<i> insigne</i> of British Columbia into Flowers’s description, but every form of intergradation may be found in <i></i>var.<i> recurvirostrum</i>, including the strongly porose leaf cells so striking in <i></i>var.<i> insigne</i>. Variety recurvirostrum exhibits every combination of characters of <i></i>var.<i> insigne</i>, in the thickness and porosity of the lumina, broad to narrow recurvature of the basal leaf margin(s), confined to the leaf base to recurved almost to the apex. The cells are smooth to papillose in every combination, the leaf bases flare or are narrow. Perhaps most consistent characters in <i></i>var.<i> recurvirostrum</i> are the depauperate, that is, weakly to scarcely developed, costa and the sclerodermis of rather thickened walls in (0–)1–2(–3) rows.</p>
|tables=
|references=
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-->{{#Taxon:
name=Hymenostylium recurvirostrum var. recurvirostrum
|authority=
|rank=variety
|parent rank=species
|synonyms=Gymnostomum recurvirostrum var. commutatum;Gymnostomum recurvirostrum var. latifolium;Gymnostomum recurvirostrum var. scabrum;Hymenostylium recurvirostrum var. commutatum;Hymenostylium recurvirostrum var. scabrum
|basionyms=
|family=Pottiaceae
|phenology=Capsules mature late summer–fall.
|habitat=Calcareous regions, seepy bluffs to moist, seepy ledges and cracks, moist soil along waterfalls, streams and rivers, limestone and calcareous rocks and sediments, cedar barrens (sandstone), forested and more exposed stations
|elevation=low to high elevations (0-1900 m)
|distribution=Greenland;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;Que.;Yukon;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Fla.;Idaho;Ill.;Ind.;Iowa;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;Nev.;N.J.;N.Mex.;N.Y.;N.C.;Ohio;Pa.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico;West Indies;Bermuda;Central America;South America;Europe;Asia;Africa;Atlantic Islands;Pacific Islands (New Zealand).
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V27/V27_830.xml
|subfamily=Pottiaceae subfam. Barbuloideae
|genus=Hymenostylium
|species=Hymenostylium recurvirostrum
|variety=Hymenostylium recurvirostrum var. recurvirostrum
}}<!--

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