View source for Ephedra antisyphilitica

{{Treatment/ID
|accepted_name=Ephedra antisyphilitica
|accepted_authority=Berlandier ex C. A. Meyer
|publications={{Treatment/Publication
|place=Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 5(2): 29. 1846
|year=1846
}}
|common_names=Clap-weed;popote;tepopote
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Ephedra antisyphilitica var. brachycarpa
|authority=Cory
|rank=variety
}} {{Treatment/ID/Synonym
|name=Ephedra occidentalis
|authority=E. L. Reed
|rank=species
}} {{Treatment/ID/Synonym
|name=Ephedra texana
|authority=
|rank=species
}}
|hierarchy=Ephedraceae;Ephedra;Ephedra antisyphilitica
|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 antisyphilitica]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>erect or spreading, 0.25–1 m. <b>Bark</b> gray, slightly cracked and irregularly fissured. <b>Branches</b> alternate or whorled, rigid, angle of divergence about 45°. <b>Twigs</b> green, becoming yellow-green with age, glaucous, not viscid, with numerous longitudinal grooves; internodes 2–5 cm. <b>Terminal</b> buds conic, 1–3 mm, apex obtuse. <b>Leaves</b> opposite, 1–3 mm, connate to 2/3–7/8 their length; bases thickened, brown, completely deciduous; apex obtuse. <b>Pollen</b> cones 1–2 at node, lance-ellipsoid, 5–8 mm, sessile to nearly sessile; bracts opposite, 5–8 pairs, pale green to red, obovate, 2–4 × 2–3 mm, membranous, connate at base; bracteoles slightly exceeding bracts; sporangiophores 4–5 mm, 1/2 exserted, with 4–6 sessile to very short-stalked (less than 1 mm) microsporangia. <b>Seed</b> cones 1–2 at node, ellipsoid, 6–12 mm, sessile to nearly sessile; bracts opposite, 4–6 pairs, ovate, 5–7 × 5–10 mm, connate to 1/8–7/8 their length, inner pairs becoming fleshy and red. <b>Seeds</b> 1(–2), ellipsoid, 6–9 × 2–4 mm, light brown to chestnut, smooth.</span><!--

-->{{Treatment/Body
|phenology=Coning March–April.
|habitat=Arid soils and rocky slopes
|elevation=100–1200 m
|distribution=Okla.;Tex.;Mexico in Nuevo León and San Luis Potosí.
|discussion=<p>Mexican populations of <i>Ephedra antisyphilitica</i> are disjunct from those in Texas.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Ephedra antisyphilitica
|authority=Berlandier ex C. A. Meyer
|rank=species
|parent rank=genus
|synonyms=Ephedra antisyphilitica var. brachycarpa;Ephedra occidentalis;Ephedra texana
|basionyms=
|family=Ephedraceae
|phenology=Coning March–April.
|habitat=Arid soils and rocky slopes
|elevation=100–1200 m
|distribution=Okla.;Tex.;Mexico in Nuevo León and San Luis Potosí.
|reference=None
|publication title=
|publication year=1846
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_551.xml
|genus=Ephedra
|species=Ephedra antisyphilitica
}}<!--

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