View source for Juniperus horizontalis

{{Treatment/ID
|accepted_name=Juniperus horizontalis
|accepted_authority=Moench
|publications={{Treatment/Publication
|title=Methodus
|place=699. 1794
|year=1794
}}
|common_names=Creeping juniper;savinier;genévrier horizontal
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Juniperus horizontalis var. douglasii
|authority=hort.
|rank=variety
}} {{Treatment/ID/Synonym
|name=Juniperus horizontalis var. variegata
|authority=Beissner
|rank=variety
}}
|hierarchy=Cupressaceae;Juniperus;Juniperus sect. Sabina;Juniperus horizontalis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cupressaceae]]</div><div class="higher-taxon"><small>genus</small>[[Juniperus]]</div><div class="higher-taxon"><small>section</small>[[Juniperus sect. Sabina]]</div><div class="higher-taxon"><small>species</small>[[Juniperus horizontalis]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>dioecious, prostrate to decumbent; crown depressed. <b>Bark</b> brown, exfoliating in thin strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in wide strips or plates. <b>Branches</b> creeping; branchlets erect, 3–4-sided in cross section, ca. 2/3 or less as wide as length of scalelike leaves. <b>Leaves</b> green but turning reddish purple in winter, abaxial gland elliptic, conspicuous, exudate absent, margins entire (at 20× and 40×); whip leaves 4–8 mm, not glaucous adaxially; scalelike leaves 1.5–2 mm, mostly overlapping to 1/3 their length, apex rounded or obtuse to acute and apiculate, spreading. <b>Seed</b> cones mostly maturing in 2 years, of 2 distinct sizes, generally with curved peduncles, globose to ovoid, 5–7 mm, blue-black to brownish blue when mature, lightly glaucous, soft and resinous, with 1–2(–3) seeds. <b>Seeds</b> 4–5 mm. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|habitat=Sand dunes, sandy and gravelly soils, prairies, slopes, rock outcrops, and stream banks
|elevation=0–1000 m
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ill.;Iowa;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;N.H.;N.Y.;N.Dak.;S.Dak.;Vt.;Wis.;Wyo.
|discussion=<p><i>Juniperus horizontalis</i>, a prostrate species, hybridizes with the trees <i>J. virginiana</i> and <i>J. scopulorum</i> (R. P. Adams 1983; N. C. Fassett 1945; M. Palma-Otal et al. 1983) and is closely related to both. The hybrid between <i>J. horizontalis</i> and <i>J. scopulorum</i> has been named J. × fassettii Boivin.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Juniperus horizontalis
|authority=Moench
|rank=species
|parent rank=section
|synonyms=Juniperus horizontalis var. douglasii;Juniperus horizontalis var. variegata
|basionyms=
|family=Cupressaceae
|habitat=Sand dunes, sandy and gravelly soils, prairies, slopes, rock outcrops, and stream banks
|elevation=0–1000 m
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ill.;Iowa;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;N.H.;N.Y.;N.Dak.;S.Dak.;Vt.;Wis.;Wyo.
|reference=None
|publication title=Methodus
|publication year=1794
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_645.xml
|genus=Juniperus
|section=Juniperus sect. Sabina
|species=Juniperus horizontalis
}}<!--

-->[[Category:Treatment]][[Category:Juniperus sect. Sabina]]