View source for Chorizanthe orcuttiana

{{Treatment/ID
|accepted_name=Chorizanthe orcuttiana
|accepted_authority=Parry
|publications={{Treatment/Publication
|title=Proc. Davenport Acad. Nat. Sci.
|place=4: 54. 1884
|year=1884
}}
|common_names=Orcutt spineflower
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Chorizanthe;Chorizanthe subg. Amphietes;Chorizanthe sect. Acanthogonum;Chorizanthe orcuttiana
|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>[[Chorizanthe]]</div><div class="higher-taxon"><small>subgenus</small>[[Chorizanthe subg. Amphietes]]</div><div class="higher-taxon"><small>section</small>[[Chorizanthe sect. Acanthogonum]]</div><div class="higher-taxon"><small>species</small>[[Chorizanthe orcuttiana]]</div></div>
|volume=Volume 5
|mention_page=page 447, 466
|treatment_page=page 467
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>prostrate, 0.1–0.5 × 0.3–2(–2.5) dm, villous. <b>Leaves</b> basal; petiole 1–2 cm; blade narrowly oblanceolate, 0.5–1.5 × 0.2–0.35(–0.5) cm, thinly pubescent. <b>Inflorescences</b> with involucres in small clusters 0.5–1 cm diam., greenish; bracts 2, sessile, unequal, 1 laminar and oblanceolate, 0.3–1 cm × 1–3 mm, awnless, this opposite linear, acicular, greatly reduced, 0.1–0.2 cm × 0.3–0.6 mm bract terminated by short, straight awn 0.6–1 mm. <b>Involucres</b> 1, greenish, campanulate, 3-ribbed, 0.8–2 mm, faintly corrugate, pubescent; teeth 3, equal, 1.8–2 mm; awns uncinate, 0.6–1 mm. <b>Flowers</b> 1, included to slightly exserted; perianth yellow, cylindric, 1.5–1.8 mm, densely pubescent abaxially; tepals connate ca. 1/2 their length, monomorphic, narrowly oblanceolate, obtuse to truncate, entire apically, slightly spreading; stamens 9, slightly exserted; filaments distinct, 0.5–0.8 mm, glabrous; anthers reddish, ovate, 0.2–0.3 mm. <b>Achenes</b> dark brown, lenticular, 2–2.2 mm. <b>2n</b> = (76, 78), 80, (84).</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–May.
|habitat=Sandy soil, mesas and hills near coast, coastal scrub communities
|elevation=60-200 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Chorizanthe orcuttiana</i> is known from a few populations on coastal mesas and hills near San Diego, San Diego County. It is federally listed as endangered. The species is an octoploid that may well have resulted from an ancient hybridization and doubling of chromosomes involving <i>C. procumbens</i> and <i>C. polygonoides </i>var.<i> longispina</i>. The Orcutt spineflower grows in soft, white sand; <i>C. procumbens</i> and <i>C. polygonoides </i>var.<i> longispina</i> are restricted to gravelly sites.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chorizanthe orcuttiana
|authority=Parry
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Polygonaceae
|phenology=Flowering Mar–May.
|habitat=Sandy soil, mesas and hills near coast, coastal scrub communities
|elevation=60-200 m
|distribution=Calif.
|reference=None
|publication title=Proc. Davenport Acad. Nat. Sci.
|publication year=1884
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_981.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Chorizanthe
|subgenus=Chorizanthe subg. Amphietes
|section=Chorizanthe sect. Acanthogonum
|species=Chorizanthe orcuttiana
}}<!--

-->[[Category:Treatment]][[Category:Chorizanthe sect. Acanthogonum]]