Difference between revisions of "Diphasiastrum complanatum"
Preslia 47: 108. 1975.
Common names: Northern running-pine lycopode aplati
Illustrated
Basionym: Lycopodium complanatum Linnaeus Sp. Pl. 2: 1104. 1753
Synonyms: Lycopodium complanatum var. canadense Victorin
Treatment appears in FNA Volume 2.
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|common_names=Northern running-pine;lycopode aplati | |common_names=Northern running-pine;lycopode aplati | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Lycopodium complanatum | |name=Lycopodium complanatum | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=2: 1104. 1753 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Lycopodium complanatum var. canadense | |name=Lycopodium complanatum var. canadense | ||
|authority=Victorin | |authority=Victorin | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Lycopodiaceae;Diphasiastrum;Diphasiastrum complanatum | |hierarchy=Lycopodiaceae;Diphasiastrum;Diphasiastrum complanatum | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Horizontal </b>stems on substrate surface or shallowly buried in litter, 1.1–2.2 mm wide; leaves appressed, linear to narrowly lanceolate, 1.4–4 × 0.5–1.2 mm, apices acute. <b>Upright</b> shoots 8–44 cm, branching irregularly successively to 5 times; leaves on upright main stem appressed with decurrent base, narrowly lanceolate, 1.2–3.2 × 0.5–1.1 mm, apex acute to acuminate. <b>Branchlets</b> flat in cross section, narrowly bladelike, 1.8–4 mm wide, annual bud constrictions abrupt and conspicuous; upperside green, faintly shiny, flat; underside dull, pale, flat. <b>Leaves</b> on branchlets 4-ranked; upperside leaves appressed, linear-lanceolate, free portion of blades 0.7–2 × 0.5–1.2 mm; lateral leaves appressed, 2.6–7.3 × 0.8–2.1 mm; underside leaves weakly developed, appressed, narrowly deltate, 0.7–1.5 × 0.4–0.9 mm. <b>Peduncles</b> 1–2 on each upright shoot, 0.5–8.5 × 0.4–0.9 cm; leaves spirally arranged to nearly whorled, linear-lanceolate, 1.4–4.1 × 0.4–1 mm, apex acute to blunt. <b>Stalks</b> forked at uniform distances. <b>Strobili</b> 1–2(–4), 8.3–32 × 2–3 mm, apex blunt, sterile tip absent. <b>Sporophylls</b> broadly deltate to nearly cordate, 2–3 × 2–2.4 mm, apex abruptly tapering. <b>2n</b> = 46.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
|habitat=Dry open coniferous or mixed forest alpine slopes | |habitat=Dry open coniferous or mixed forest alpine slopes | ||
|elevation=0–2000 m | |elevation=0–2000 m | ||
| − | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;Vt.;Wash.;Wis.;Wyo.;circumboreal. | + | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;Vt.;Wash.;Wis.;Wyo.;circumboreal. |
| − | |discussion=<p>Diphasiastrum complanatum forms a hybrid with D. digitatum that is seemingly uncommon and has never received a binomial designation. It is probably far more common than collections indicate, however. Superficially, the hybrid resembles both parents and is often confused with them. Collections are known from Ontario, Quebec, Connecticut, Maine, Michigan, Minnesota, New Hampshire, Vermont, and Wisconsin.</p> | + | |discussion=<p><i>Diphasiastrum complanatum</i> forms a hybrid with <i>D. digitatum</i> that is seemingly uncommon and has never received a binomial designation. It is probably far more common than collections indicate, however. Superficially, the hybrid resembles both parents and is often confused with them. Collections are known from Ontario, Quebec, Connecticut, Maine, Michigan, Minnesota, New Hampshire, Vermont, and Wisconsin.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Diphasiastrum complanatum | name=Diphasiastrum complanatum | ||
| − | |||
|authority=(Linnaeus) Holub | |authority=(Linnaeus) Holub | ||
|rank=species | |rank=species | ||
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|habitat=Dry open coniferous or mixed forest alpine slopes | |habitat=Dry open coniferous or mixed forest alpine slopes | ||
|elevation=0–2000 m | |elevation=0–2000 m | ||
| − | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;Vt.;Wash.;Wis.;Wyo.;circumboreal. | + | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;Vt.;Wash.;Wis.;Wyo.;circumboreal. |
|reference=None | |reference=None | ||
|publication title=Preslia | |publication title=Preslia | ||
|publication year=1975 | |publication year=1975 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_574.xml |
|genus=Diphasiastrum | |genus=Diphasiastrum | ||
|species=Diphasiastrum complanatum | |species=Diphasiastrum complanatum | ||
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-->[[Category:Treatment]][[Category:Diphasiastrum]] | -->[[Category:Treatment]][[Category:Diphasiastrum]] | ||
Latest revision as of 21:26, 20 February 2024
Horizontal stems on substrate surface or shallowly buried in litter, 1.1–2.2 mm wide; leaves appressed, linear to narrowly lanceolate, 1.4–4 × 0.5–1.2 mm, apices acute. Upright shoots 8–44 cm, branching irregularly successively to 5 times; leaves on upright main stem appressed with decurrent base, narrowly lanceolate, 1.2–3.2 × 0.5–1.1 mm, apex acute to acuminate. Branchlets flat in cross section, narrowly bladelike, 1.8–4 mm wide, annual bud constrictions abrupt and conspicuous; upperside green, faintly shiny, flat; underside dull, pale, flat. Leaves on branchlets 4-ranked; upperside leaves appressed, linear-lanceolate, free portion of blades 0.7–2 × 0.5–1.2 mm; lateral leaves appressed, 2.6–7.3 × 0.8–2.1 mm; underside leaves weakly developed, appressed, narrowly deltate, 0.7–1.5 × 0.4–0.9 mm. Peduncles 1–2 on each upright shoot, 0.5–8.5 × 0.4–0.9 cm; leaves spirally arranged to nearly whorled, linear-lanceolate, 1.4–4.1 × 0.4–1 mm, apex acute to blunt. Stalks forked at uniform distances. Strobili 1–2(–4), 8.3–32 × 2–3 mm, apex blunt, sterile tip absent. Sporophylls broadly deltate to nearly cordate, 2–3 × 2–2.4 mm, apex abruptly tapering. 2n = 46.
Habitat: Dry open coniferous or mixed forest alpine slopes
Elevation: 0–2000 m
Distribution
Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Idaho, Maine, Mich., Minn., Mont., N.H., N.Y., Vt., Wash., Wis., Wyo., circumboreal.
Discussion
Diphasiastrum complanatum forms a hybrid with D. digitatum that is seemingly uncommon and has never received a binomial designation. It is probably far more common than collections indicate, however. Superficially, the hybrid resembles both parents and is often confused with them. Collections are known from Ontario, Quebec, Connecticut, Maine, Michigan, Minnesota, New Hampshire, Vermont, and Wisconsin.
Selected References
None.
Lower Taxa
None.