View source for Diphasiastrum digitatum

{{Treatment/ID
|accepted_name=Diphasiastrum digitatum
|accepted_authority=(Dillenius ex A. Braun) Holub
|publications={{Treatment/Publication
|title=Preslia
|place=47: 108. 1975
|year=1975
}}
|common_names=Southern running-pine;lycopode en éventail
|basionyms={{Treatment/ID/Basionym
|name=Lycopodium digitatum
|authority=Dillenius ex A. Braun
|rank=species
|publication_title=Amer. J. Sci. Arts, ser.
|publication_place=2, 6: 81. 1848
}}
|synonyms={{Treatment/ID/Synonym
|name=Lycopodium complanatum var. flabelliforme
|authority=Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=Lycopodium flabelliforme
|authority=(Fernald) Blanchard
|rank=species
}}
|hierarchy=Lycopodiaceae;Diphasiastrum;Diphasiastrum digitatum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Lycopodiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Diphasiastrum]]</div><div class="higher-taxon"><small>species</small>[[Diphasiastrum digitatum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Horizontal </b>stems on substrate surface, 1.3–2.7 mm wide; leaves appressed to ascending, linear to narrowly lanceolate, 1.8–4.5 × 0.6–1.2 mm, apex acute, scarious, often lost. <b>Upright</b> shoots 15–50 cm, branching regularly successively to 3 times; leaves appressed with decurrent base, subulate, 1.8–3.5 × 0.6–1 mm, apex acute. <b>Branchlets</b> flat in cross section, narrowly bladelike, 2.8–3.9 mm wide, annual bud constrictions very rare; underside dull, pale, flat; upperside green, flat, shiny. <b>Leaves</b> of branchlets 4-ranked; upperside leaves appressed, linear-lanceolate, free portion of blade 0.7–1.5 × 0.5–0.9 mm; lateral leaves appressed to spreading (spreading especially in juvenile stages), 3.1–5.5 × 1–2 mm; underside leaves very weakly developed, spreading, narrowly deltate, 0.3–1 × 0.3–0.7 mm, apex pointed. <b>Peduncles</b> mostly 2, 4.4–12.5 × 0.1–1.3 cm; leaves usually somewhat whorled, linear-lanceolate to nearly filiform, 2–3.3 × 0.5–0.9 mm, apex blunt to acute. <b>Stalks</b> mostly pseudowhorled, 2-forked, forks basal. <b>Strobili</b> 2–4 per upright shoot, 14–40 × 2–3 mm exclusive of elongate sterile tip; sterile tips to 11 mm (occurring on ca. 50% of specimens), apex blunt to acute if sterile tip is absent. <b>Sporophylls</b> deltate, 1.7–2.6 × 1.8–2.8 mm, apex abruptly tapering. <b>2n</b> = 46.</span><!--

-->{{Treatment/Body
|habitat=Coniferous and hardwood forests and second growth, shrubby or open fields
|elevation=0–1500 m
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;W.Va.;Wis.
|discussion=<p>An endemic in eastern North America, <i>Diphasiastrum digitatum</i> is the most abundant species of <i>Diphasiastrum</i> on the continent, much used for decoration as wreaths. It was long confused with the circumboreal <i>D. complanatum</i>.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Diphasiastrum digitatum
|authority=(Dillenius ex A. Braun) Holub
|rank=species
|parent rank=genus
|synonyms=Lycopodium complanatum var. flabelliforme;Lycopodium flabelliforme
|basionyms=Lycopodium digitatum
|family=Lycopodiaceae
|habitat=Coniferous and hardwood forests and second growth, shrubby or open fields
|elevation=0–1500 m
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;W.Va.;Wis.
|reference=None
|publication title=Preslia
|publication year=1975
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_575.xml
|genus=Diphasiastrum
|species=Diphasiastrum digitatum
}}<!--

-->[[Category:Treatment]][[Category:Diphasiastrum]]