View source for Hypopterygium

{{Treatment/ID
|accepted_name=Hypopterygium
|accepted_authority=Bridel
|publications={{Treatment/Publication
|title=Bryol. Univ.
|place=2: 709. 1827
|year=1827
}}
|basionyms=
|synonyms=
|hierarchy=Hypopterygiaceae;Hypopterygium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hypopterygiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Hypopterygium]]</div></div>
|etymology=Greek hypo, beneath, and pterygion, small wing, alluding to underleaves
|volume=Volume 28
|mention_page=page 647
|treatment_page=page 261
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism coloration;whole_organism growth form"><b>Plants </b>pale green.</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture or shape;stem shape;stem architecture;stem architecture;stem architecture;stem architecture;branch prominence;branch presence"><b>Stems </b>pinnate, flabellate, palmate, or umbellate, rudimentary branches absent;</span> <span class="statement" id="st-d0_s2" data-properties="stipe cavity presence">stipe cavities absent.</span> <span class="statement" id="st-d0_s3" data-properties="leaves margin architecture;cell shape"><b>Leaves </b>margins bordered by 1 or 2 rows of long-rhomboidal cells;</span> <span class="statement" id="st-d0_s4" data-properties="apex shape;apex shape">apex acute or acuminate;</span> <span class="statement" id="st-d0_s5" data-properties="">costa of lateral frond leaves ending before apex;</span> <span class="statement" id="st-d0_s6" data-properties="laminal cell shape">laminal cells rhomboidal, prosenchymatous, walls thin or weakly incrassate.</span> <span class="statement" id="st-d0_s7" data-properties="wall width;wall size;wall development;wall reproduction;wall presence"><b>Specialized </b>asexual reproduction absent.</span><!--

-->{{Treatment/Body
|distribution=North America;Mexico;West Indies;Central America;South America;Europe;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia
|discussion=<p>Species 26 (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
|Dorsal frond leaves present on basal portion of stipe; stipe and basal frond leaves in 8 rows; paraphyses absent.
|[[Hypopterygium flavolimbatum|Hypopterygium flavolimbatum]]
|-id=key-0-1
|1
|Dorsal frond leaves absent from stipe; stipe and basal frond leaves in 3 or 11+ rows; paraphyses present.
|[[Hypopterygium tamariscina|Hypopterygium tamariscina]]
|}
</div></div><!--

-->{{#Taxon:
name=Hypopterygium
|authority=Bridel
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Hypopterygiaceae
|distribution=North America;Mexico;West Indies;Central America;South America;Europe;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia
|reference=None
|publication title=Bryol. Univ.
|publication year=1827
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V28/V28_414.xml
|genus=Hypopterygium
|apex shape=acuminate;acute
|branch presence=absent
|branch prominence=rudimentary
|cell shape=long-rhomboidal
|laminal cell shape=rhomboidal
|leaves margin architecture=bordered
|stem architecture=umbellate;palmate;umbellate;palmate
|stem architecture or shape=pinnate
|stem shape=flabellate
|stipe cavity presence=absent
|wall development=specialized
|wall presence=absent
|wall reproduction=asexual
|wall size=incrassate
|wall width=thin
|whole_organism coloration=pale green
|whole_organism growth form=plant
}}<!--

-->[[Category:Treatment]][[Category:Hypopterygiaceae]]