View source for Chorizanthe blakleyi

{{Treatment/ID
|accepted_name=Chorizanthe blakleyi
|accepted_authority=Hardham
|publications={{Treatment/Publication
|title=Leafl. W. Bot.
|place=10: 95. 1964
|year=1964
}}
|common_names=Blakley’s spineflower
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Chorizanthe;Chorizanthe subg. Amphietes;Chorizanthe sect. Ptelosepala;Chorizanthe blakleyi
|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 blakleyi]]</div></div>
|volume=Volume 5
|mention_page=page 448
|treatment_page=page 459
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>spreading to ascending, 0.5–1.5 × 0.5–3 dm, thinly pubescent. <b>Leaves</b> basal; petiole 0.5–2 cm; blade oblanceolate, 0.5–2.5 × 0.3–0.8 cm, thinly pubescent. <b>Inflorescences</b> with involucres in dense clusters 1–2 cm diam., yellowish green; bracts 2, without whorl of sessile bracts about midstem, usually leaflike, oblanceolate, 0.5–1.5 cm × 1.5–3 mm, gradually reduced and becoming scalelike at distal nodes, linear, aciculate, acerose, 0.3–0.8 cm × 1–2 mm, awns straight, 1–2.5 mm. <b>Involucres</b> 3–10+, yellowish green, urceolate, slightly ventricose basally, 3–4.5 mm, slightly corrugate, without scarious or membranous margins, thinly pubescent; teeth spreading, unequal, 1–3 mm; awns straight or uncinate with longer anterior one straight or slightly curved, mostly 2 mm, others uncinate, 0.5–1.5 mm. <b>Flowers</b> exserted; perianth bicolored with floral tube greenish white to white and the lobes white to pinkish, cylindric, 5–6 mm, sparsely pubescent; tepals connate 2/3 their length, dimorphic, obovate, those of outer whorl erect, slightly longer than those of inner whorl, 2-lobed apically, those of inner whorl erect, 2-lobed, erose apically; stamens 9, included; filaments distinct, 5–5.5 mm, glabrous; anthers yellow to golden, oblong, 1–1.2 mm. <b>Achenes</b> brown, globose-lenticular, 3–3.5 mm. <b>2n</b> = ca. 38.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jul.
|habitat=Sandy or gravelly flats and slopes, chaparral communities, oak woodlands
|elevation=600-1600 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Chorizanthe blakleyi</i> is known only from north-facing slopes and foothills of the Sierra Madre. The species is rare and localized. The yellowish green stem, branches, and involucres readily distinguish it. The white flowers align it with <i>C. obovata</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chorizanthe blakleyi
|authority=Hardham
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Polygonaceae
|phenology=Flowering May–Jul.
|habitat=Sandy or gravelly flats and slopes, chaparral communities, oak woodlands
|elevation=600-1600 m
|distribution=Calif.
|reference=None
|publication title=Leafl. W. Bot.
|publication year=1964
|special status=Endemic;Conservation concern
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_958.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Chorizanthe
|subgenus=Chorizanthe subg. Amphietes
|section=Chorizanthe sect. Ptelosepala
|species=Chorizanthe blakleyi
}}<!--

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