View source for Ephedra nevadensis

{{Treatment/ID
|accepted_name=Ephedra nevadensis
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=14: 298. 1879
|year=1879
}}
|common_names=Nevada ephedra
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Ephedra antisyphilitica
|authority=S. Watson
|rank=species
|publication_title=
|publication_place=1871,
}}
|synonyms={{Treatment/ID/Synonym
|name=Ephedra antisyphilitica var. pedunculata
|authority=S. Watson
|rank=variety
}} {{Treatment/ID/Synonym
|name=Ephedra nevadensis var. paucibracteata
|authority=Stapf
|rank=variety
}}
|hierarchy=Ephedraceae;Ephedra;Ephedra nevadensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ephedraceae]]</div><div class="higher-taxon"><small>genus</small>[[Ephedra]]</div><div class="higher-taxon"><small>species</small>[[Ephedra nevadensis]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>erect, 0.25–1.5 m. <b>Bark</b> gray, fissured. <b>Branches</b> alternate or whorled, rigid, angle of divergence about 45°. <b>Twigs</b> pale green, becoming yellow with age, not viscid, glaucous, with numerous longitudinal grooves; internodes 1–6 cm. <b>Terminal</b> buds conic, 1–3 mm, apex obtuse. <b>Leaves</b> opposite (rarely in whorls of 3), 2–4(–8) mm, connate to 1/2–3/4 their length; bases thickened, brown, completely deciduous; apex obtuse. <b>Pollen</b> cones 1–several at node, ellipsoid, 4–8 mm, sessile or on short peduncles with 2 pairs of basal bracts; bracts opposite, 5–9 pairs, yellow to light brown, obovate, 3–4 × 2–3 mm, membranous; bracteoles slightly exceeding bracts; sporangiophores 3–5 mm, exserted to 1/4–1/2 their length, with 6–9 sessile to short-stalked (less than 1 mm) microsporangia. <b>Seed</b> cones 1–several at node, nearly globose, 5–11 mm, on long peduncles, with 1–2 pairs of basal bracts; bracts opposite, 3–5 pairs, nearly circular, 4–8 × 3–6 mm, herbaceous, with light brown to yellow-green center, occasionally pinkish tinged, margins entire. <b>Seeds</b> (1–)2, ellipsoid, 6–9 × 2–4 mm, brown, smooth. <b>2n</b> = 14, 28.</span><!--

-->{{Treatment/Body
|phenology=Coning late winter–midspring.
|habitat=Dry, rocky slopes and hills, rarely in sandy flat areas
|elevation=700–1900 m
|distribution=Ariz.;Calif.;Nev.;Oreg.;Utah.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Ephedra nevadensis
|authority=S. Watson
|rank=species
|parent rank=genus
|synonyms=Ephedra antisyphilitica var. pedunculata;Ephedra nevadensis var. paucibracteata
|basionyms=Ephedra antisyphilitica
|family=Ephedraceae
|phenology=Coning late winter–midspring.
|habitat=Dry, rocky slopes and hills, rarely in sandy flat areas
|elevation=700–1900 m
|distribution=Ariz.;Calif.;Nev.;Oreg.;Utah.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1879
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_338.xml
|genus=Ephedra
|species=Ephedra nevadensis
}}<!--

-->[[Category:Treatment]][[Category:Ephedra]]