View source for Oncophorus

{{Treatment/ID
|accepted_name=Oncophorus
|accepted_authority=(Bridel) Bridel
|publications={{Treatment/Publication
|title=Bryol. Univ.
|place=1: 389. 1826 ,
}}
|basionyms={{Treatment/ID/Basionym
|name=Dicranum sect. Oncophorus
|authority=Bridel
|rank=section
|publication_title=Muscol. Recent., suppl.
|publication_place=4: 53. 1819
}}
|synonyms=
|hierarchy=Dicranaceae;Oncophorus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dicranaceae]]</div><div class="higher-taxon"><small>genus</small>[[Oncophorus]]</div></div>
|etymology=Greek onkos, tumor, and phoros, bearing, alluding to goiterlike swelling (struma) at base of capsule
|volume=Volume 27
|mention_page=page 360, 377, 421, 431
|treatment_page=page 423
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism orientation;whole_organism reflectance;whole_organism coloration;whole_organism reflectance;whole_organism reflectance;whole_organism growth form;tuft architecture or fragility;tuft density"><b>Plants </b>erect, in loose to dense tufts, green to yellowbrown, glossy to somewhat dull.</span> <span class="statement" id="st-d0_s1" data-properties="stem atypical some measurement;stem some measurement;stem orientation;stem architecture;stem architecture"><b>Stems </b>1–5 (–8) cm, erect-spreading, simple or branching, radiculose proximally.</span> <span class="statement" id="st-d0_s2" data-properties="leaf shape;leaf shape;leaf shape;leaf shape;base shape"><b>Leaves </b>lanceolate from an ovate base, gradually narrowed to abruptly subulate, crisped and curled when dry;</span> <span class="statement" id="st-d0_s3" data-properties="margin shape;margin shape;margin architecture or shape;margin shape">margins plane or revolute, entire or often toothed at apex;</span> <span class="statement" id="st-d0_s4" data-properties="costa fragility;costa architecture;costa size or width;band quantity">costa strong, percurrent to slightly excurrent, narrow, with 2 stereid bands;</span> <span class="statement" id="st-d0_s5" data-properties="distal laminal cell shape;distal laminal cell architecture or pubescence or relief">distal laminal cells short-rectangular to subquadrate, smooth;</span> <span class="statement" id="st-d0_s6" data-properties="basal laminal cell shape;basal laminal cell shape;basal laminal cell architecture or pubescence or relief">basal laminal cells rectangular, elongate, smooth, alar cells poorly differentiated or sometimes slightly enlarged.</span> <span class="statement" id="st-d0_s7" data-properties="cell variability;cell size;cell reproduction;cell reproduction"><b>Sexual </b>condition autoicous;</span> <span class="statement" id="st-d0_s8" data-properties="perichaetial leaf position">perichaetial leaves similar to the cauline;</span> <span class="statement" id="st-d0_s9" data-properties="">perigonia located below perichaetia.</span> <span class="statement" id="st-d0_s10" data-properties="seta atypical some measurement;seta some measurement;seta orientation;seta architecture;seta coloration"><b>Seta </b>5–20 (–22) mm, erect, twisted when dry, yellow to reddish yellow.</span> <span class="statement" id="st-d0_s11" data-properties="capsule orientation;capsule coloration;capsule course or shape;capsule shape;urn some measurement;urn size;urn architecture;urn architecture;urn shape"><b>Capsule </b>inclined to horizontal, yellowbrown, arcuate, cylindric, urn 0.8–2 mm, constricted below the mouth, furrowed or smooth when dry, distinctively strumose;</span> <span class="statement" id="st-d0_s12" data-properties="operculum shape;operculum course or shape">operculum rostrate, arcuate;</span> <span class="statement" id="st-d0_s13" data-properties="peristome quantity;peristome position;peristome coloration;peristome relief;peristome coloration;tooth quantity;tooth shape;segment quantity">peristome single, of 16 teeth divided halfway into two segments, vertically pitted-striolate proximally, papillose distally, red.</span> <span class="statement" id="st-d0_s14" data-properties="calyptra shape;calyptra architecture or pubescence or relief"><b>Calyptra </b>cucullate, smooth.</span> <span class="statement" id="st-d0_s15" data-properties="spore shape;spore some measurement;spore relief or texture;spore coloration"><b>Spores </b>spheric, 14–25 µm, finely roughened, yellow to yellow-green.</span><!--

-->{{Treatment/Body
|distribution=North America;Europe;Asia
|discussion=<p>Species ca. 6 (3 in the flora).</p><!--
--><p>Oncophorus is frequently encountered near stream habitats. The species may be confused with those of Dicranum, Dicranella, or Kiaeria, but are distinguished by distinctively strumose capsules and abruptly subulate leaves, which are strongly crisped-contorted when dry.</p>
|tables=
|references={{Treatment/Reference
|id=allen2000a
|text=Allen, B. H. 2000. The genus Oncophorus (Musci: Dicranaceae) in Maine. Evansia 17: 1–5.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves keeled or folded, margins revolute, not sheathing at the base, gradually narrowed to the acumen
|[[Oncophorus virens|Oncophorus virens]]
|-id=key-0-1
|1
|Leaves flat, margins plane, sheathing at the base, abruptly narrowed to the acumen
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Plants dark, not contorted when dry, seta usually less than 8 mm.
|[[Oncophorus rauei|Oncophorus rauei]]
|-id=key-0-2
|2
|Plants lighter, contorted when dry, seta usually more than 8 mm.
|[[Oncophorus wahlenbergii|Oncophorus wahlenbergii]]
|}
</div></div><!--

-->{{#Taxon:
name=Oncophorus
|author=Steven G. Newmaster
|authority=(Bridel) Bridel
|rank=genus
|parent rank=family
|synonyms=
|basionyms=Dicranum sect. Oncophorus
|family=Dicranaceae
|distribution=North America;Europe;Asia
|reference=allen2000a
|publication title=Bryol. Univ.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V27/V27_602.xml
|genus=Oncophorus
|band quantity=2
|basal laminal cell architecture or pubescence or relief=smooth
|basal laminal cell shape=elongate;rectangular
|base shape=ovate
|calyptra architecture or pubescence or relief=smooth
|calyptra shape=cucullate
|capsule coloration=yellowbrown
|capsule course or shape=arcuate
|capsule orientation=inclined;horizontal
|capsule shape=cylindric
|cell reproduction=autoicous;sexual
|cell size=enlarged
|cell variability=differentiated
|costa architecture=percurrent;slightly excurrent
|costa fragility=strong
|costa size or width=narrow
|distal laminal cell architecture or pubescence or relief=smooth
|distal laminal cell shape=short-rectangular;subquadrate
|leaf shape=curled;crisped;gradually narrowed;abruptly subulate
|margin architecture or shape=entire
|margin shape=toothed;revolute;plane
|operculum course or shape=arcuate
|operculum shape=rostrate
|perichaetial leaf position=cauline
|peristome coloration=red;pitted-striolate
|peristome position=halfway
|peristome quantity=single
|peristome relief=papillose
|segment quantity=2
|seta architecture=twisted
|seta atypical some measurement=20mm;22mm
|seta coloration=yellow;reddish yellow
|seta orientation=erect
|seta some measurement=5mm;20mm
|spore coloration=yellow;yellow-green
|spore relief or texture=roughened
|spore shape=spheric
|spore some measurement=14um;25um
|stem architecture=branching;simple
|stem atypical some measurement=5cm;8cm
|stem orientation=erect-spreading
|stem some measurement=1cm;5cm
|tooth quantity=16
|tooth shape=divided
|tuft architecture or fragility=loose
|tuft density=dense
|urn architecture=smooth;furrowed
|urn shape=strumose
|urn size=constricted
|urn some measurement=0.8mm;2mm
|whole_organism coloration=green;yellowbrown
|whole_organism growth form=plant
|whole_organism orientation=erect
|whole_organism reflectance=dull;glossy to somewhat;glossy to somewhat
}}<!--

-->[[Category:Treatment]][[Category:Dicranaceae]]