View source for Lygodium

{{Treatment/ID
|accepted_name=Lygodium
|accepted_authority=Swartz
|publications={{Treatment/Publication
|title=J. Bot. (Schrader)
|place=1800(2): 7, 106. 1801
|year=1801
}}
|common_names=Climbing ferns
|basionyms=
|synonyms=
|hierarchy=Lygodiaceae;Lygodium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Lygodiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Lygodium]]</div></div>
|etymology=Greek lygodes, flexible, in reference to the twining rachis
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>terrestrial. <b>Stems</b> branched, slender. <b>Leaves</b> often more than several meters, 2-pinnate or more divided, climbing by means of twining rachis; fertile pinnae borne toward apex of fertile leaves. <b>Blades</b> of short, alternate primary pinnae. <b>Pinnules</b> ± entire to palmately or pinnately lobed; fertile and sterile pinnae similar or fertile pinnae greatly contracted.</span><!--

-->{{Treatment/Body
|distribution=Nearly worldwide;mostly tropical regions;a few species in temperate regions;North America;Asia in Japan;s Africa;Pacific Islands in New Zealand.
|discussion=<p>Species ca. 40 (3 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=beckner1968a
|text=Beckner, J. 1968. Lygodium microphyllum, another fern escaped in Florida. Amer. Fern J. 58: 93-94.
}}{{Treatment/Reference
|id=nauman1978a
|text=Nauman, C. E. and D. F. Austin. 1978. Spread of the exotic fern Lygodium microphyllum in Florida. Amer. Fern J. 68: 65-66.
}}{{Treatment/Reference
|id=nauman1987a
|text=Nauman, C. E. 1987. Schizaeaceae in Florida. Sida 12: 69-74.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Pinnules palmately lobed, sterile tissue nearly absent on fertile lobes; petioles borne 1–4 cm apart.
|[[Lygodium palmatum|Lygodium palmatum]]
|-id=key-0-1
|1
|Pinnules 1-pinnate to palmately lobed, sterile tissue present on fertile lobes; petioles borne less than 1 cm apart.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Pinnules usually 1-pinnate, primary divisions mostly undivided, usually without basal lobes; lobes absent or rounded, auriculate, not directed toward leaf apex; ultimate segments articulate to petiolules, leaving wiry stalks when detached; blade tissue glabrous abaxially.
|[[Lygodium microphyllum|Lygodium microphyllum]]
|-id=key-0-2
|2
|Pinnules usually more than 1-pinnate, primary divisions pinnately to palmately lobed or divided, or if undivided with distinct basal lobes; lobes directed toward leaf apex; ultimate segments not articulate to petiolules, not leaving wiry stalks when detached; blade tissue sparsely to moderately pubescent abaxially.
|[[Lygodium japonicum|Lygodium japonicum]]
|}
</div></div><!--

-->{{#Taxon:
name=Lygodium
|author=Clifton E. Nauman
|authority=Swartz
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Lygodiaceae
|distribution=Nearly worldwide;mostly tropical regions;a few species in temperate regions;North America;Asia in Japan;s Africa;Pacific Islands in New Zealand.
|reference=beckner1968a;nauman1978a;nauman1987a
|publication title=J. Bot. (Schrader)
|publication year=1801
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_684.xml
|genus=Lygodium
}}<!--

-->[[Category:Treatment]][[Category:Lygodiaceae]]