View source for Dodecahema leptoceras

{{Treatment/ID
|accepted_name=Dodecahema leptoceras
|accepted_authority=(A. Gray) Reveal & Hardham
|publications={{Treatment/Publication
|title=Phytologia
|place=66: 87. 1989
|year=1989
}}
|basionyms={{Treatment/ID/Basionym
|name=Centrostegia leptoceras
|authority=A. Gray
|rank=species
|publication_title=Proc. Amer. Acad. Arts
|publication_place=8: 192. 1870
}}
|synonyms={{Treatment/ID/Synonym
|name=Chorizanthe leptoceras
|authority=(A. Gray) S. Watson
|rank=species
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Dodecahema;Dodecahema leptoceras
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Eriogonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Dodecahema]]</div><div class="higher-taxon"><small>species</small>[[Dodecahema leptoceras]]</div></div>
|volume=Volume 5
|mention_page=page 474
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>0.3–0.8(–1) × 0.2–0.8 dm. <b>Leaf</b> blades (1–)1.5–4(–6) × 0.2–0.4(–0.7) cm. <b>Peduncles</b> 0.5–1 mm. <b>Flowers</b>: perianth 1.2–1.8(–2) mm; filaments 0.6–1 mm; anthers 0.4–0.5 mm. <b>Achenes</b> 1.7–2 mm. <b>2n</b> = ca. 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Sandy to gravelly flats and slopes, chaparral communities, pine-oak woodlands
|elevation=200-700 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Dodecahema leptoceras</i> is known only from the foothills of the San Gabriel Mountains of Los Angeles County, the San Bernardino Mountains of San Bernardino County, and the San Jacinto Mountains of western Riverside County. The urbanization of the greater Los Angeles area has significantly reduced the number of known northern populations. Slender-horned spinyherb is federally listed as endangered.</p><!--
--><p><i>Dodecahema leptoceras</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Dodecahema leptoceras
|authority=(A. Gray) Reveal & Hardham
|rank=species
|parent rank=genus
|synonyms=Chorizanthe leptoceras
|basionyms=Centrostegia leptoceras
|family=Polygonaceae
|phenology=Flowering May–Jun.
|habitat=Sandy to gravelly flats and slopes, chaparral communities, pine-oak woodlands
|elevation=200-700 m
|distribution=Calif.
|reference=None
|publication title=Phytologia
|publication year=1989
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_996.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Dodecahema
|species=Dodecahema leptoceras
}}<!--

-->[[Category:Treatment]][[Category:Dodecahema]]