View source for Tetraphis ← Tetraphis You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Tetraphis |accepted_authority=Hedwig |publications={{Treatment/Publication |title=Sp. Musc. Frond., |place=43. 1801 , }} |basionyms= |synonyms={{Treatment/ID/Synonym |name=Georgia |authority=Müller Hal. |rank=genus }} |hierarchy=Tetraphidaceae;Tetraphis |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Tetraphidaceae]]</div><div class="higher-taxon"><small>genus</small>[[Tetraphis]]</div></div> |etymology=Greek tetra, four, and probably Graecizied Latin -fid, divided, alluding to peristome |volume=Volume 27 |mention_page=page 4, 9, 116 |treatment_page=page 111 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>small, green distally, reddish brown proximally. <b>Thallose</b> protonematal flaps not persistent. <b>Stems</b> many, 0.8–1.5 cm, rarely taller, naked proximally, densely foliate distally. <b>Leaves</b> spreading, keeled, pellucid when moist, slightly contorted when dry, variable in size and shape, 1–3 mm, proximal leaves ovate to ovate-lanceolate; costa ending well before the apex, distal leaves linear, acute to acuminate, margins entire, broadly reflexed, costa subpercurrent; laminal cells thick-walled, irregularly rounded-hexagonal in distal leaf and becoming oblong-linear near leaf base. <b>Specialized</b> asexual structures: stalked, discoid gemmae borne in rosette of rounded bracts formed on top of vegetative stem, usually present in both sterile and fertile material. <b>Sexual</b> condition with antheridia among numerous paraphyses adjacent to the archegonia; perichaetial leaves lanceolate, long-acuminate, entire. <b>Seta</b> 6–17 mm, straight, smooth, cells spirally twisted throughout or smooth, occasionally small sections of straight cells papillose by projecting cell ends (prorulate) near the base, or geniculate, cells smooth and spirally twisted below the bend but cells straight, prorulate beyond the bend. <b>Capsule</b> narrowly cylindric, 2–3 mm, symmetric or slightly curved, brown to reddish brown; operculum conic; peristome teeth occasionally splitting when dry and appearing to be more than four. <b>Calyptra</b>, smooth, whitish. <b>Spores</b> papillose.</span><!-- -->{{Treatment/Body |distribution=Circumboreal. |discussion=<p>Species 2 (2 in the flora).</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Seta geniculate, outer cells smooth, and spirally twisted below the bend, cells straight and papillose by projecting cell walls above the bend. |[[Tetraphis geniculata|Tetraphis geniculata]] |-id=key-0-1 |1 |Seta not geniculate, outer cells smooth, and spirally twisted throughout the entire length of the seta, not papillose, or sometimes lightly papillose near the base. |[[Tetraphis pellucida|Tetraphis pellucida]] |} </div></div><!-- -->{{#Taxon: name=Tetraphis |authority=Hedwig |rank=genus |parent rank=family |synonyms=Georgia |basionyms= |family=Tetraphidaceae |distribution=Circumboreal. |reference=None |publication title=Sp. Musc. Frond., |publication year= |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V27/V27_126.xml |genus=Tetraphis }}<!-- -->[[Category:Treatment]][[Category:Tetraphidaceae]] Templates used on this page: Template:Tetraphidaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/ID/Synonym (view source) Template:Treatment/Publication (view source) Return to Tetraphis.