familyDryopteridaceae
genusCtenitis
Show Lower Taxa
Difference between revisions of "Ctenitis"
in Verdoorn et al., Man. Pteridol. 543. 1938.
Common names: Comb fern
Etymology: Greek kteis, comb
Basionym: Dryopteris subg. Ctenitis C. Christensen in L. K. Rosenvinge, Biol. Arb. Tilegn. Eug. Warming, 79. 1911
Treatment appears in FNA Volume 2.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Ctenitis | |accepted_name=Ctenitis | ||
| − | |accepted_authority=(C. Christensen) C. Christensen | + | |accepted_authority=(C. Christensen) C. Christensen |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=in Verdoorn et al.,Man. Pteridol. | + | |title=in Verdoorn et al., Man. Pteridol. |
|place=543. 1938 | |place=543. 1938 | ||
|year=1938 | |year=1938 | ||
}} | }} | ||
|common_names=Comb fern | |common_names=Comb fern | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Dryopteris subg. Ctenitis | |name=Dryopteris subg. Ctenitis | ||
|authority=C. Christensen | |authority=C. Christensen | ||
| + | |rank=subgenus | ||
| + | |publication_title=in L. K. Rosenvinge, Biol. Arb. Tilegn. Eug. Warming, | ||
| + | |publication_place=79. 1911 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>generally terrestrial. <b>Stems</b> erect to obliquely ascending, stolons absent. <b>Leaves</b> monomorphic, evergreen or dying back in winter. <b>Petiole</b> 2/3 to equaling length of blade, base not swollen; vascular bundles more than 3, arranged in an arc, ± round in cross section. <b>Blade</b> lanceolate to deltate, 1–4-pinnate-pinnatifid, gradually reduced distally to confluent, pinnatifid apex, herbaceous. <b>Pinnae</b> not articulate to rachis, segment margins nearly entire to crenulate, ciliate; proximal pinnae not reduced, sometimes basal pair much the longest, sessile to petiolulate, equilateral or inequilateral with basiscopic side more developed (pinnules noticeably longer); costae adaxially rounded or flat, not grooved; indument of linear to lanceolate scales and often multicellular glandular hairs abaxially, of multicellular reddish hairs adaxially. <b>Veins</b> free, simple or forked. <b>Sori</b> in 1 row between midrib and margin, round; indusia round-reniform, attached at narrow sinus, sometimes small or seemingly absent, persistent or caducous. <b>Spores</b> brownish, usually spiny, sometimes prominently cristate, rarely finely reticulate. <b>x</b> = 41.</span><!-- |
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name=Ctenitis | name=Ctenitis | ||
|author=Robbin C. Moran | |author=Robbin C. Moran | ||
| − | |authority=(C. Christensen) C. Christensen | + | |authority=(C. Christensen) C. Christensen |
|rank=genus | |rank=genus | ||
|parent rank=family | |parent rank=family | ||
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|distribution=Nearly worldwide in the tropics. | |distribution=Nearly worldwide in the tropics. | ||
|reference=None | |reference=None | ||
| − | |publication title=in Verdoorn et al.,Man. Pteridol. | + | |publication title=in Verdoorn et al., Man. Pteridol. |
|publication year=1938 | |publication year=1938 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_535.xml |
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-->[[Category:Treatment]][[Category:Dryopteridaceae]] | -->[[Category:Treatment]][[Category:Dryopteridaceae]] | ||
Latest revision as of 20:24, 5 November 2020
Plants generally terrestrial. Stems erect to obliquely ascending, stolons absent. Leaves monomorphic, evergreen or dying back in winter. Petiole 2/3 to equaling length of blade, base not swollen; vascular bundles more than 3, arranged in an arc, ± round in cross section. Blade lanceolate to deltate, 1–4-pinnate-pinnatifid, gradually reduced distally to confluent, pinnatifid apex, herbaceous. Pinnae not articulate to rachis, segment margins nearly entire to crenulate, ciliate; proximal pinnae not reduced, sometimes basal pair much the longest, sessile to petiolulate, equilateral or inequilateral with basiscopic side more developed (pinnules noticeably longer); costae adaxially rounded or flat, not grooved; indument of linear to lanceolate scales and often multicellular glandular hairs abaxially, of multicellular reddish hairs adaxially. Veins free, simple or forked. Sori in 1 row between midrib and margin, round; indusia round-reniform, attached at narrow sinus, sometimes small or seemingly absent, persistent or caducous. Spores brownish, usually spiny, sometimes prominently cristate, rarely finely reticulate. x = 41.
Distribution
Nearly worldwide in the tropics.
Discussion
Species ca. 100 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Blades ovate-lanceolate, 2-4-pinnate-pinnatifid; basal pinnae inequilateral, elongate basiscopically. | Ctenitis sloanei |
| 1 | Blades oblong or narrowly lanceolate, 1-pinnate-pinnatifid; basal pinnae equilateral. | Ctenitis submarginalis |