View source for Scouleria

{{Treatment/ID
|accepted_name=Scouleria
|accepted_authority=Hooker
|publications={{Treatment/Publication
|title=Bot. Misc.
|place=1: 33. 1829,
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Grimmia sect. Scouleria
|authority=(Hooker) Müller Hal.
|rank=section
}} {{Treatment/ID/Synonym
|name=Grimmia subg. Scouleria
|authority=(Hooker) Lesquereux & James
|rank=subgenus
}}
|hierarchy=Scouleriaceae;Scouleria
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Scouleriaceae]]</div><div class="higher-taxon"><small>genus</small>[[Scouleria]]</div></div>
|etymology=For John Scouler, 1804–1871, physician, botanical collector, and naturalist
|volume=Volume 27
|mention_page=
|treatment_page=page 312
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism arrangement or growth form;whole_organism coloration;whole_organism coloration;whole_organism growth form;tuft architecture"><b>Plants </b>clustered in loose to compact tufts, black or brown with age.</span> <span class="statement" id="st-d0_s1" data-properties="stem some measurement;central strand presence"><b>Stems </b>ca. 4–10 cm, central strand absent;</span> <span class="statement" id="st-d0_s2" data-properties="">rhizoids forming a “hold-fast,” occasionally extending from stem and abaxial surface of leaves.</span> <span class="statement" id="st-d0_s3" data-properties="leaf orientation"><b>Leaves </b>erect to patent when dry, when present pseudocosta marginal [submarginal];</span> <span class="statement" id="st-d0_s4" data-properties="apex shape">apex often cucullate.</span> <span class="statement" id="st-d0_s5" data-properties="outer perichaetial leaf quantity;outer perichaetial leaf height or length or size"><b>Outer </b>perichaetial leaves one-third shorter than inner leaves.</span> <span class="statement" id="st-d0_s6" data-properties="third position"><b>Vaginula </b>forming a sheath around proximal third or fourth of seta.</span> <span class="statement" id="st-d0_s7" data-properties="seta quantity"><b>Seta </b>1/3–1/2 capsule length.</span> <span class="statement" id="st-d0_s8" data-properties="capsule reflectance;capsule coloration;columella size;columella shape;columella shape"><b>Capsule </b>glossy black with age, columella when dry appearing longitudinally ribbed, when wet expanding, becoming stoutly cylindrical or ovoid.</span> <span class="statement" id="st-d0_s9" data-properties="spore some measurement"><b>Spores </b>30–55 µm.</span><!--

-->{{Treatment/Body
|distribution=nw North America;temperate South America;n Asia
|discussion=<p>Species 3 (2 in the flora).</p><!--
--><p>Scouleria patagonica) is the only taxon found in South America.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaf margin 1-stratose or partially (rarely fully) 2-stratose; peristome present.
|[[Scouleria aquatica|Scouleria aquatica]]
|-id=key-0-1
|1
|Leaf margin multistratose; peristome absent.
|[[Scouleria marginata|Scouleria marginata]]
|}
</div></div><!--

-->{{#Taxon:
name=Scouleria
|authority=Hooker
|rank=genus
|parent rank=family
|synonyms=Grimmia sect. Scouleria;Grimmia subg. Scouleria
|basionyms=
|family=Scouleriaceae
|distribution=nw North America;temperate South America;n Asia
|reference=None
|publication title=Bot. Misc.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V27/V27_426.xml
|genus=Scouleria
|apex shape=cucullate
|capsule coloration=black
|capsule reflectance=glossy
|central strand presence=absent
|columella shape=ovoid;cylindrical
|columella size=expanding
|leaf orientation=erect;patent
|outer perichaetial leaf height or length or size=shorter
|outer perichaetial leaf quantity=1/3
|seta quantity=1/3;1/2
|spore some measurement=30um;55um
|stem some measurement=4cm;10cm
|third position=proximal
|tuft architecture=loose;compact
|whole_organism arrangement or growth form=clustered
|whole_organism coloration=brown;black
|whole_organism growth form=plant
}}<!--

-->[[Category:Treatment]][[Category:Scouleriaceae]]