Difference between revisions of "Cystopteris montana"
Neues J. Bot. 1(2): 26. 1806.
Common names: Mountain bladder fern cystoptère des montagnes
Basionym: Polypodium montanum Lamarck
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>long-creeping, cordlike, internodes 1–2(–4) cm, old petiole bases few, hairs absent; scales usually tan to light brown, ovate-lanceolate, radial walls tan to brown, thin, luminae tan. <b>Leaves</b> monomorphic, at stem apex but not tightly clustered, to 45 cm, sori production about equal on all leaves (fairly independent of season). <b>Petiole</b> dark brown to black at base, gradually becoming green or straw-colored distally, (1–)2–3 times length of blades, sparsely scaly throughout. <b>Blade</b> elongate-pentagonal, 3(–4)-pinnate-pinnatifid; rachis and costae lacking gland-tipped hairs or bulblets; axils of pinnae with occasional multicellular gland-tipped hairs. <b>Pinnae</b> ascending, typically at acute angle to rachis, only proximal pinnae occasionally curving toward blade apex, margins serrate; proximal pinnae pinnate-pinnatifid, inequilateral, basal basiscopic pinnule stalked, enlarged, base truncate to obtuse; distal pinnae deltate to ovate. <b>Veins</b> directed into notches. <b>Indusia</b> cup-shaped, apex truncate, hairs gland-tipped only along margin. <b>Spores</b> spiny, usually 37–42 µm. <b>2n</b> = 168.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Sporulating summer–fall. | ||
|habitat=Terrestrial in wet woods or along water courses | |habitat=Terrestrial in wet woods or along water courses | ||
|elevation=rare; 0–3500 m | |elevation=rare; 0–3500 m | ||
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|basionyms=Polypodium montanum | |basionyms=Polypodium montanum | ||
|family=Dryopteridaceae | |family=Dryopteridaceae | ||
| + | |phenology=Sporulating summer–fall. | ||
|habitat=Terrestrial in wet woods or along water courses | |habitat=Terrestrial in wet woods or along water courses | ||
|elevation=rare; 0–3500 m | |elevation=rare; 0–3500 m | ||
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|publication year=1806 | |publication year=1806 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_91.xml |
|genus=Cystopteris | |genus=Cystopteris | ||
|species=Cystopteris montana | |species=Cystopteris montana | ||
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-->[[Category:Treatment]][[Category:Cystopteris]] | -->[[Category:Treatment]][[Category:Cystopteris]] | ||
Revision as of 14:28, 27 July 2019
Stems long-creeping, cordlike, internodes 1–2(–4) cm, old petiole bases few, hairs absent; scales usually tan to light brown, ovate-lanceolate, radial walls tan to brown, thin, luminae tan. Leaves monomorphic, at stem apex but not tightly clustered, to 45 cm, sori production about equal on all leaves (fairly independent of season). Petiole dark brown to black at base, gradually becoming green or straw-colored distally, (1–)2–3 times length of blades, sparsely scaly throughout. Blade elongate-pentagonal, 3(–4)-pinnate-pinnatifid; rachis and costae lacking gland-tipped hairs or bulblets; axils of pinnae with occasional multicellular gland-tipped hairs. Pinnae ascending, typically at acute angle to rachis, only proximal pinnae occasionally curving toward blade apex, margins serrate; proximal pinnae pinnate-pinnatifid, inequilateral, basal basiscopic pinnule stalked, enlarged, base truncate to obtuse; distal pinnae deltate to ovate. Veins directed into notches. Indusia cup-shaped, apex truncate, hairs gland-tipped only along margin. Spores spiny, usually 37–42 µm. 2n = 168.
Phenology: Sporulating summer–fall.
Habitat: Terrestrial in wet woods or along water courses
Elevation: rare; 0–3500 m
Distribution
Greenland, Alta., B.C., N.B., Nfld., N.W.T., N.S., Ont., Que., Sask., Yukon, Alaska, Colo., Mont., Eurasia.
Discussion
Cystopteris montana, the most distinctive of the Cystopteris in the flora, probably is allied to Asian species. Although this boreal species is restricted primarily to high latitudes, it occurs disjunctly at high elevations in Colorado, where its habitats are being threatened by development. Cystopteris montana does not hybridize with any other Cystopteris in the flora, but it has been implicated in the origin of the European allopolyploid C. alpina (Roth) Desvaux.
Selected References
None.
Lower Taxa
None.