Difference between revisions of "Ephedra antisyphilitica"
Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 5(2): 29. 1846.
Common names: Clap-weed popote tepopote
Synonyms: Ephedra antisyphilitica var. brachycarpa CoryEphedra occidentalis E. L. ReedEphedra texana unknown
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><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 | -->{{Treatment/Body | ||
| + | |phenology=Coning March–April. | ||
|habitat=Arid soils and rocky slopes | |habitat=Arid soils and rocky slopes | ||
|elevation=100–1200 m | |elevation=100–1200 m | ||
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|basionyms= | |basionyms= | ||
|family=Ephedraceae | |family=Ephedraceae | ||
| + | |phenology=Coning March–April. | ||
|habitat=Arid soils and rocky slopes | |habitat=Arid soils and rocky slopes | ||
|elevation=100–1200 m | |elevation=100–1200 m | ||
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|publication year=1846 | |publication year=1846 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_551.xml |
|genus=Ephedra | |genus=Ephedra | ||
|species=Ephedra antisyphilitica | |species=Ephedra antisyphilitica | ||
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-->[[Category:Treatment]][[Category:Ephedra]] | -->[[Category:Treatment]][[Category:Ephedra]] | ||
Revision as of 13:23, 27 July 2019
Shrubs erect or spreading, 0.25–1 m. Bark gray, slightly cracked and irregularly fissured. Branches alternate or whorled, rigid, angle of divergence about 45°. Twigs green, becoming yellow-green with age, glaucous, not viscid, with numerous longitudinal grooves; internodes 2–5 cm. Terminal buds conic, 1–3 mm, apex obtuse. Leaves opposite, 1–3 mm, connate to 2/3–7/8 their length; bases thickened, brown, completely deciduous; apex obtuse. Pollen 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. Seed 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. Seeds 1(–2), ellipsoid, 6–9 × 2–4 mm, light brown to chestnut, smooth.
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
Mexican populations of Ephedra antisyphilitica are disjunct from those in Texas.
Selected References
None.
Lower Taxa
None.