View source for Ctenitis ← Ctenitis You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Ctenitis |accepted_authority=(C. Christensen) C. Christensen in Verdoorn et al. |publications={{Treatment/Publication |title=in Verdoorn et al.,Man. Pteridol. |place=543. 1938 |year=1938 }} |common_names=Comb fern |basionyms={{Treatment/ID/Basionym |name=Dryopteris subg. Ctenitis |authority=C. Christensen |rank=subgenus |publication_title=in L. K. Rosenvinge, Biol. Arb. Tilegn. Eug. Warming, |publication_place=79. 1911 }} |synonyms= |hierarchy=Dryopteridaceae;Ctenitis |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Ctenitis]]</div></div> |etymology=Greek kteis, comb |volume=Volume 2 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form or habitat;whole_organism growth form"><b>Plants </b>generally terrestrial.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stolon presence"><b>Stems </b>erect to obliquely ascending, stolons absent.</span> <span class="statement" id="st-d0_s2" data-properties="leaf architecture;leaf duration;leaf condition"><b>Leaves </b>monomorphic, evergreen or dying back in winter.</span> <span class="statement" id="st-d0_s3" data-properties="petiole quantity;blade length;base shape"><b>Petiole </b>2/3 to equaling length of blade, base not swollen;</span> <span class="statement" id="st-d0_s4" data-properties="vascular-bundle quantity;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 growth form or texture;apex arrangement;apex shape"><b>Blade </b>lanceolate to deltate, 1–4-pinnate-pinnatifid, gradually reduced distally to confluent, pinnatifid apex, herbaceous.</span> <span class="statement" id="st-d0_s6" data-properties="pinna architecture;segment margin shape;segment margin architecture or pubescence or shape"><b>Pinnae </b>not articulate to rachis, segment margins nearly entire to crenulate, ciliate;</span> <span class="statement" id="st-d0_s7" data-properties="proximal pinna size;pinna position;pinna length;pinna architecture;pinna shape;pinna shape;side orientation;side development">proximal pinnae not reduced, sometimes basal pair much the longest, sessile to petiolulate, equilateral or inequilateral with basiscopic side more developed (pinnules noticeably longer);</span> <span class="statement" id="st-d0_s8" data-properties="costa shape;costa shape;costa architecture">costae adaxially rounded or flat, not grooved;</span> <span class="statement" id="st-d0_s9" data-properties="scale shape;glandular-hair architecture;hair architecture;hair coloration">indument of linear to lanceolate scales and often multicellular glandular-hairs abaxially, of multicellular reddish hairs adaxially.</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 quantity"><b>Sori </b>in 1 row between midrib and margin, round;</span> <span class="statement" id="st-d0_s12" data-properties="indusium shape;indusium fixation;indusium size;indusium presence;indusium duration;indusium duration;sinus size or width">indusia round-reniform, attached at narrow sinus, sometimes small or seemingly absent, persistent or caducous.</span> <span class="statement" id="st-d0_s13" data-properties=""><b>Spores </b>brownish, usually spiny, sometimes prominently cristate, rarely finely reticulate.</span> <span class="statement" id="st-d0_s14" data-properties="spore coloration;spore architecture or shape;spore shape;spore architecture or coloration or relief;x chromosome quantity">x = 41.</span><!-- -->{{Treatment/Body |distribution=Nearly worldwide in the tropics |discussion=<p>Species ca. 100 (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 |Blades ovate-lanceolate, 2-4-pinnate-pinnatifid; basal pinnae inequilateral, elongate basiscopically. |[[Ctenitis sloanei|Ctenitis sloanei]] |-id=key-0-1 |1 |Blades oblong or narrowly lanceolate, 1-pinnate-pinnatifid; basal pinnae equilateral. |[[Ctenitis submarginalis|Ctenitis submarginalis]] |} </div></div><!-- -->{{#Taxon: name=Ctenitis |author=Robbin C. Moran |authority=(C. Christensen) C. Christensen in Verdoorn et al. |rank=genus |parent rank=family |synonyms= |basionyms=Dryopteris subg. Ctenitis |family=Dryopteridaceae |distribution=Nearly worldwide in the tropics |reference=None |publication title=in Verdoorn et al.,Man. Pteridol. |publication year=1938 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V2/V2_535.xml |genus=Ctenitis |apex arrangement=confluent |apex shape=pinnatifid |base shape=not swollen |between midrib and margin row quantity=1 |blade growth form or texture=herbaceous |blade length=equaling |blade shape=1-4-pinnate-pinnatifid;lanceolate;deltate |blade size=reduced |costa architecture=not grooved |costa shape=flat;rounded |glandular-hair architecture=multicellular |hair architecture=multicellular |hair coloration=reddish |indusium duration=caducous;persistent |indusium fixation=attached |indusium presence=absent |indusium shape=round-reniform |indusium size=small |leaf architecture=monomorphic |leaf condition=dying |leaf duration=evergreen |petiole quantity=2/3 |pinna architecture=sessile;petiolulate |pinna length=longest |pinna position=basal |pinna shape=inequilateral;equilateral |proximal pinna size=not reduced |scale shape=linear;lanceolate |segment margin architecture or pubescence or shape=ciliate |segment margin shape=nearly entire;crenulate |side development=developed |side orientation=basiscopic |sinus size or width=narrow |sorus shape=round |spore architecture or coloration or relief=reticulate |spore architecture or shape=spiny |spore coloration=brownish |spore shape=cristate |stem orientation=erect;obliquely ascending |stolon presence=absent |vascular-bundle arrangement=arranged |vascular-bundle shape=round |vein architecture=simple |vein fusion=free |vein shape=forked |whole_organism growth form=plant |whole_organism growth form or habitat=terrestrial |x chromosome quantity=41 }}<!-- -->[[Category:Treatment]][[Category:Dryopteridaceae]] Templates used on this page: Template:Dryopteridaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/ID/Basionym (view source) Template:Treatment/Publication (view source) Return to Ctenitis.