View source for Ephedra aspera

{{Treatment/ID
|accepted_name=Ephedra aspera
|accepted_authority=Engelmann ex S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=18: 157. 1883
|year=1883
}}
|common_names=Boundary ephedra;pitamoreal
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Ephedra nevadensis var. aspera
|authority=(Engelmann ex S. Watson) L. D. Benson
|rank=variety
}} {{Treatment/ID/Synonym
|name=Ephedra peninsularis
|authority=I. M. Johnston
|rank=species
}} {{Treatment/ID/Synonym
|name=Ephedra reedii
|authority=Cory
|rank=species
}}
|hierarchy=Ephedraceae;Ephedra;Ephedra aspera
|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 aspera]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>erect, 0.5–1.5 m. <b>Bark</b> gray, cracked and fissured. <b>Branches</b> opposite or whorled, rigid, angle of divergence about 30°. <b>Twigs</b> pale to dark green, becoming yellow with age, not viscid, slightly to strongly scabrous, with numerous longitudinal grooves; internodes 1–6 cm. <b>Terminal</b> buds conic, 1–2 mm, apex obtuse. <b>Leaves</b> opposite (rarely in whorls of 3), 1–3(–5) mm, connate to 1/2–7/8 their length; bases thickened, brown, shredding with age, ± persistent; apex obtuse. <b>Pollen</b> cones 2 (rarely 1 or whorled) at node, obovoid, 4–7 mm, sessile or rarely on short peduncles; bracts opposite, 6–10 pairs, yellow to red-brown, obovate, 3–4 × 2–3 mm, membranous; bracteoles slightly exceeding bracts; sporangiophores 4–5 mm, 1/2 exserted, with 4–6 sessile to short-stalked (less than 1 mm) microsporangia. <b>Seed</b> cones usually 2 at node, ovoid, 6–10 mm, sessile or on short, scaly peduncles; bracts opposite, 5–7 pairs, circular, 4–7 × 2–4 mm, membranous, with red-brown thickened center and base, margins entire. <b>Seed</b> 1, ellipsoid, 5–8 × 2–4 mm, light brown to brown, smooth to slightly scabrous.</span><!--

-->{{Treatment/Body
|phenology=Coning March–April.
|habitat=Dry rocky slopes, ravines, and fans
|elevation=500–1800 m
|distribution=Ariz.;Calif.;N.Mex.;Tex.;n Mexico.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ephedra aspera
|authority=Engelmann ex S. Watson
|rank=species
|parent rank=genus
|synonyms=Ephedra nevadensis var. aspera;Ephedra peninsularis;Ephedra reedii
|basionyms=
|family=Ephedraceae
|phenology=Coning March–April.
|habitat=Dry rocky slopes, ravines, and fans
|elevation=500–1800 m
|distribution=Ariz.;Calif.;N.Mex.;Tex.;n Mexico.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1883
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_514.xml
|genus=Ephedra
|species=Ephedra aspera
}}<!--

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