Difference between revisions of "Ctenidium schofieldii"

N. Nishimura

J. Hattori Bot. Lab. 58: 27, fig. 10. 1985.

EndemicIllustrated
Treatment appears in FNA Volume 28. Treatment on page 523. Mentioned on page 522.
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|code=F
 
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|label=Selected by author to be illustrated
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|label=Illustrated
 
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|basionyms=
 
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|elevation=low to moderate elevations
 
|elevation=low to moderate elevations
 
|distribution=B.C.;Alaska.
 
|distribution=B.C.;Alaska.
|discussion=<p>Ctenidium schofieldii is restricted to Queen Charlotte Islands, British Columbia and Adak Island, Alaska.</p><!--
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|discussion=<p><i>Ctenidium schofieldii</i> is restricted to Queen Charlotte Islands, British Columbia and Adak Island, Alaska.</p><!--
--><p>Ctenidium schofieldii is somewhat larger than C. molluscum, with longer medial laminal cells. The plants have an unkempt appearance in comparison with the usually finely combed leaf stance of C. molluscum. The apices of branch leaves are commonly irregularly divergent due to their more squarrose leaf bases, but may be evenly falcate-secund on some branches. In some collections, stem leaves and leaves at stem apices are flexuose-rugose though no cause (infection, insect involvement) is evident.</p>
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--><p><i>Ctenidium schofieldii</i> is somewhat larger than <i>C. molluscum</i>, with longer medial laminal cells. The plants have an unkempt appearance in comparison with the usually finely combed leaf stance of <i>C. molluscum</i>. The apices of branch leaves are commonly irregularly divergent due to their more squarrose leaf bases, but may be evenly falcate-secund on some branches. In some collections, stem leaves and leaves at stem apices are flexuose-rugose though no cause (infection, insect involvement) is evident.</p>
 
|tables=
 
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|references=
 
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Ctenidium schofieldii
 
name=Ctenidium schofieldii
|author=
 
 
|authority=N. Nishimura
 
|authority=N. Nishimura
 
|rank=species
 
|rank=species
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|publication title=J. Hattori Bot. Lab.
 
|publication title=J. Hattori Bot. Lab.
 
|publication year=1985
 
|publication year=1985
|special status=Endemic;Selected by author to be illustrated
+
|special status=Endemic;Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V28/V28_809.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_809.xml
 
|genus=Ctenidium
 
|genus=Ctenidium
 
|species=Ctenidium schofieldii
 
|species=Ctenidium schofieldii

Latest revision as of 21:38, 5 November 2020

Stems 5 cm. Leaves at stem apices usually weakly curved to falcate-secund, unevenly divergent. Stem leaves 1–1.5(–1.7) mm; margins weakly denticulate; apex acuminate from mid leaf; laminal cells 50–80 µm, weakly prorulose. Branch leaves with margins recurved basally.


Phenology: Capsule maturity unknown.
Habitat: Soil, rock, cliffs, humus, canyons
Elevation: low to moderate elevations

Discussion

Ctenidium schofieldii is restricted to Queen Charlotte Islands, British Columbia and Adak Island, Alaska.

Ctenidium schofieldii is somewhat larger than C. molluscum, with longer medial laminal cells. The plants have an unkempt appearance in comparison with the usually finely combed leaf stance of C. molluscum. The apices of branch leaves are commonly irregularly divergent due to their more squarrose leaf bases, but may be evenly falcate-secund on some branches. In some collections, stem leaves and leaves at stem apices are flexuose-rugose though no cause (infection, insect involvement) is evident.

Selected References

None.

Lower Taxa

None.