View source for Maxonia

{{Treatment/ID
|accepted_name=Maxonia
|accepted_authority=C. Christensen
|publications={{Treatment/Publication
|title=Smithsonian Misc. Collect.
|place=66(9): 3. 1916
|year=1916
}}
|common_names=Climbing wood fern
|basionyms=
|synonyms=
|hierarchy=Dryopteridaceae;Maxonia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Maxonia]]</div></div>
|etymology=for William R. Maxon, (1877–1948), American pteridologist
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="plant habitat"><b>Plants </b>hemiepiphytic.</span> <span class="statement" id="st-d0_s1" data-properties="tree growth form or orientation;tree growth form;stolon count"><b>Stems </b>long-creeping and climbing trees, stolons absent.</span> <span class="statement" id="st-d0_s2" data-properties="leaf growth form;leaf reproduction;leaf condition or size;leaf duration"><b>Leaves </b>strongly dimorphic, fertile leaves greatly contracted, evergreen.</span> <span class="statement" id="st-d0_s3" data-properties="petiole variability;base length"><b>Petiole </b>± equaling length of blade, base not swollen;</span> <span class="statement" id="st-d0_s4" data-properties="vascular-bundle count;vascular-bundle arrangement;vascular-bundle shape">vascular-bundles more than 3, arranged in an arc, ± round in cross-section.</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade shape;blade size;blade texture;apex shape"><b>Blade </b>deltate, 3–4-pinnate-pinnatifid, gradually reduced distally to pinnatifid apex, somewhat leathery.</span> <span class="statement" id="st-d0_s6" data-properties="pinna architecture;segment margin shape;segment margin shape;segment margin shape"><b>Pinnae </b>not articulate to rachis, segment margins dentate to lobed;</span> <span class="statement" id="st-d0_s7" data-properties="proximal pinna size;proximal pinna size;proximal pinna architecture;proximal pinna shape;proximal pinna shape;side orientation">proximal pinnae largest or nearly so, petiolulate, ± equilateral or inequilateral, basiscopic side with pinnules longer than on acroscopic side;</span> <span class="statement" id="st-d0_s8" data-properties="costa architecture;groove architecture">costae adaxially deeply grooved, grooves continuous from rachis to costae to costules;</span> <span class="statement" id="st-d0_s9" data-properties="hair coloration;scale count;scale arrangement or course or shape">indument of transparent hairs along costae on both sides, also with a few linear scales abaxially on costae.</span> <span class="statement" id="st-d0_s10" data-properties="vein fusion;vein architecture;vein shape"><b>Veins </b>free, simple or forked.</span> <span class="statement" id="st-d0_s11" data-properties="sorus shape;between midrib and margin row count"><b>Sori </b>in 1 row between midrib and margin, round;</span> <span class="statement" id="st-d0_s12" data-properties="indusium shape;indusium duration;sinus depth">indusia round-reniform with shallow sinus, persistent.</span> <span class="statement" id="st-d0_s13" data-properties=""><b>Spores </b>brownish, spiny to broadly rugose.</span> <span class="statement" id="st-d0_s14" data-properties="spore coloration;spore architecture or shape;spore relief;x chromosome count">x = 41.</span><!--

-->{{Treatment/Body
|distribution=Tropical.
|discussion=<p>Species 1 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=christensen1916a
|text=Christensen, C. 1916. Maxonia, a new genus of tropical American ferns. Smithsonian Misc. Collect. 66(9): 1--4.
}}{{Treatment/Reference
|id=moran1987a
|text=Moran, R. C. 1987. Monograph of the neotropical fern genus Polybotrya (Dryopteridaceae). Bull. Illinois Nat. Hist. Surv. 34: 1--138.
}}{{Treatment/Reference
|id=walker1972a
|text=Walker, T. G. 1972. The anatomy of Maxonia apiifolia: A climbing fern. Brit. Fern Gaz. 10: 241--250.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Maxonia
|author=Robbin C. Moran
|authority=C. Christensen
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Dryopteridaceae
|distribution=Tropical.
|reference=christensen1916a;moran1987a;walker1972a
|publication title=Smithsonian Misc. Collect.
|publication year=1916
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_265.xml
|genus=Maxonia
|apex shape=pinnatifid
|base length=not swollen
|between midrib and margin row count=1
|blade shape=3-4-pinnate-pinnatifid;deltate
|blade size=reduced
|blade texture=leathery
|costa architecture=grooved
|groove architecture=continuous
|hair coloration=transparent
|indusium duration=persistent
|indusium shape=round-reniform
|leaf condition or size=contracted
|leaf duration=evergreen
|leaf growth form=dimorphic
|leaf reproduction=fertile
|petiole variability=equaling
|pinna architecture=not articulate
|plant habitat=hemiepiphytic
|proximal pinna architecture=petiolulate
|proximal pinna shape=inequilateral;equilateral
|proximal pinna size=nearly;largest
|scale arrangement or course or shape=linear
|scale count=few
|segment margin shape=dentate;lobed
|side orientation=basiscopic
|sinus depth=shallow
|sorus shape=round
|spore architecture or shape=spiny
|spore coloration=brownish
|spore relief=rugose
|stolon count=absent
|tree growth form=climbing
|tree growth form or orientation=long-creeping
|vascular-bundle arrangement=arranged
|vascular-bundle shape=round
|vein architecture=simple
|vein fusion=free
|vein shape=forked
|x chromosome count=41
}}<!--

-->[[Category:Treatment]][[Category:Dryopteridaceae]]