View source for Osmunda

{{Treatment/ID
|accepted_name=Osmunda
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1063. 1753; Gen. Pl. ed. 5, 484, 1754
|year=1754
}}
|basionyms=
|synonyms=
|hierarchy=Osmundaceae;Osmunda
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Osmundaceae]]</div><div class="higher-taxon"><small>genus</small>[[Osmunda]]</div></div>
|etymology=Saxon, Osmunder, name for Thor, god of war
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="plant growth form or habitat"><b>Plants </b>terrestrial.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation"><b>Stems </b>creeping;</span> <span class="statement" id="st-d0_s2" data-properties="tip orientation">tips often somewhat erect.</span> <span class="statement" id="st-d0_s3" data-properties="leaf growth form"><b>Leaves </b>dimorphic;</span> <span class="statement" id="st-d0_s4" data-properties="leaf reproduction;leaf orientation;leaf length;leaf reproduction">fertile leaves erect, often notably smaller than sterile leaves in length and width.</span> <span class="statement" id="st-d0_s5" data-properties="blade architecture or shape"><b>Blades </b>1–2-pinnate;</span> <span class="statement" id="st-d0_s6" data-properties="pinna architecture;pinna growth form;pinna shape;pinna shape">pinnae monomorphic to dimorphic, pinnatifid or pinnate.</span><!--

-->{{Treatment/Body
|distribution=Nearly worldwide;tropical and temperate regions.
|discussion=<p>Species 10 (3 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
|Fertile leaves with pinnae monomorphic, all spore-bearing; tuft of hairs persistent on abaxial surface of pinnae near base.
|[[Osmunda cinnamomea|Osmunda cinnamomea]]
|-id=key-0-1
|1
|Fertile leaves with pinnae dimorphic, some spore-bearing, some not; tuft of hairs absent on abaxial surface of pinnae near base.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Sterile leaves 2-pinnate with pinnules sessile.
|[[Osmunda ruggii|Osmunda ruggii]]
|-id=key-0-2
|2
|Sterile leaves pinnate-pinnatifid or 2-pinnate with pinnules stalked.
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Fertile pinnae apical, sterile leaves 2-pinnate.
|[[Osmunda regalis var. spectabilis|Osmunda regalis var. spectabilis]]
|-id=key-0-3
|3
|Fertile pinnae medial, sterile leaves pinnate-pinnatifid.
|[[Osmunda claytoniana|Osmunda claytoniana]]
|}
</div></div><!--

-->{{#Taxon:
name=Osmunda
|author=R. David Whetstone; T. A. Atkinson
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Osmundaceae
|distribution=Nearly worldwide;tropical and temperate regions.
|reference=None
|publication title=Sp. Pl.
|publication year=1754
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_418.xml
|genus=Osmunda
|blade architecture or shape=1-2-pinnate
|leaf growth form=dimorphic
|leaf length=in
|leaf orientation=erect
|leaf reproduction=sterile;fertile
|pinna architecture=monomorphic
|pinna growth form=dimorphic
|pinna shape=pinnate;pinnatifid
|plant growth form or habitat=terrestrial
|stem growth form or orientation=creeping
|tip orientation=erect
}}<!--

-->[[Category:Treatment]][[Category:Osmundaceae]]