View source for Chorizanthe angustifolia

{{Treatment/ID
|accepted_name=Chorizanthe angustifolia
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Proc. Acad. Nat. Sci. Philadelphia
|place=4: 17. 1848
|year=1848
}}
|common_names=Narrow-leaf spineflower
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chorizanthe angustifolia var. eastwoodiae
|authority=Goodman
|rank=variety
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Chorizanthe;Chorizanthe subg. Amphietes;Chorizanthe sect. Ptelosepala;Chorizanthe angustifolia
|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. Ptelosepala]]</div><div class="higher-taxon"><small>species</small>[[Chorizanthe angustifolia]]</div></div>
|volume=Volume 5
|mention_page=page 447, 448
|treatment_page=page 454
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>decumbent or prostrate, 0.3–1 × 0.5–10(–13) dm, villous. <b>Leaves</b> basal; petiole 1–4 cm; blade oblanceolate, (0.5–)1–4(–5) × (0.2–)0.3–0.6 cm, villous. <b>Inflorescences</b> rather dense with secondary branches suppressed, grayish to reddish; bracts 2, similar to proximal leaf blades only reduced, short-petiolate, becoming linear and aciculate at distal nodes, acerose, 1–4 cm × 2–8(–10) mm, awns absent. <b>Involucres</b> 1, reddish, cylindric, not ventricose, 1.5–2(–2.5) mm, without scarious margins or if so then pinkish, thin, and restricted to basal portion of teeth, not corrugate, villous abaxially; teeth spreading, equal, 0.5–1.5(–2) mm; awns uncinate with longer ones 1.5–2.5 mm and anterior one mostly 2–2.5 mm, these alternating with shorter 1–1.5 mm ones. <b>Flowers</b> slightly exserted; perianth bicolored with floral tube white and tepals white to rose, campanulate, 2–3 mm, pubescent abaxially; tepals connate 1/3 their length, monomorphic, oblong, usually rounded and erose apically; stamens 3 or 6–9, slightly exserted; filaments distinct, 2–2.5 mm, glabrous; anthers cream to rose, ovate, 0.2–0.3 mm. <b>Achenes</b> light brown, globose-lenticular, 2–2.5 mm. <b>2n</b> = 38, 40, (42, 44, 46).</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jul.
|habitat=Sandy places, coastal scrub communities, pine-oak woodlands
|elevation=10-500 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Chorizanthe angustifolia</i> is common along the immediate coast and mesas mainly in west-central California. Plants with slightly scarious, pink involucral margins have been distinguished as <i></i>var.<i> eastwoodiae</i>, but as both this and the nonscarious <i></i>var.<i> angustifolia</i> occur together, no distinction is made here. William Gambel obtained the only collection known from Los Angeles County in the 1840s; it has not been found there since. Narrow-leaf spineflower often grows with <i>C. diffusa</i> in intermingled populations and care must be taken to avoid mixed collections.</p>
|tables=
|references=
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-->{{#Taxon:
name=Chorizanthe angustifolia
|authority=Nuttall
|rank=species
|parent rank=section
|synonyms=Chorizanthe angustifolia var. eastwoodiae
|basionyms=
|family=Polygonaceae
|phenology=Flowering Apr–Jul.
|habitat=Sandy places, coastal scrub communities, pine-oak woodlands
|elevation=10-500 m
|distribution=Calif.
|reference=None
|publication title=Proc. Acad. Nat. Sci. Philadelphia
|publication year=1848
|special status=Endemic;Conservation concern
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_943.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Chorizanthe
|subgenus=Chorizanthe subg. Amphietes
|section=Chorizanthe sect. Ptelosepala
|species=Chorizanthe angustifolia
}}<!--

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