View source for Chorizanthe watsonii

{{Treatment/ID
|accepted_name=Chorizanthe watsonii
|accepted_authority=Torrey & A. Gray
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=8: 199. 1870
|year=1870
}}
|common_names=Watson’s spineflower
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Chorizanthe;Chorizanthe subg. Amphietes;Chorizanthe sect. Acanthogonum;Chorizanthe watsonii
|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 watsonii]]</div></div>
|volume=Volume 5
|mention_page=page 447, 466
|treatment_page=page 468
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>spreading to erect, 0.2–1(–1.5) × 0.2–1(–1.5) dm, densely canescent-strigose. <b>Leaves</b> basal or nearly so; petiole (0.5–)1–2.5(–3) cm; blade oblanceolate, (0.3–)0.5–1.5(–2) × 0.2–0.4(–0.5) cm, thinly floccose to sparsely tomentose. <b>Inflorescences</b> with involucres in small clusters 0.5–1 cm diam., greenish to reddish; bracts 2, with laminar ones oblanceolate, (0.5–)0.8–1.5(–2) cm × (1–)2–4 mm, those at distal nodes becoming sessile, reduced and scalelike, linear-lanceolate, acicular, awns slightly curved, 0.5–1 mm. <b>Involucres</b> 1, green, cylindric, 5-ribbed, 3–4.5 mm, finely corrugate, pubescent; teeth 5, erect, unequal, with leaflike, narrowly lanceolate, 2–6 mm anterior tooth, others linear, 1–2 mm; awn uncinate, 0.4–0.8(–1) mm. <b>Flowers</b> 1, included to slightly exserted; perianth yellow, cylindric, 1.5–2.5 mm, thinly pubescent abaxially; tepals connate ca. 2/3 their length, monomorphic, oblong, acute, entire apically, mostly erect; stamens 3 or 9, slightly exserted; filaments distinct, 0.8–1 mm, glabrous; anthers yellow, ovate, 0.2–0.3 mm. <b>Achenes</b> brown, lenticular, 2.5–3 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Aug.
|habitat=Sandy to gravelly flats and slopes, mixed grassland, saltbush and sagebrush communities, pinyon-juniper woodlands
|elevation=300-2400 m
|distribution=Ariz.;Calif.;Idaho;Nev.;Oreg.;Utah;Wash.
|discussion=<p><i>Chorizanthe watsonii</i> is widely distributed in the cold desert of the Great Basin and in the northern part of the warmer Mojave Desert. Plants in the northern part of the range (especially on the Palouse Prairie of south-eastern Washington) usually have three stamens.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chorizanthe watsonii
|authority=Torrey & A. Gray
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Polygonaceae
|phenology=Flowering Apr–Aug.
|habitat=Sandy to gravelly flats and slopes, mixed grassland, saltbush and sagebrush communities, pinyon-juniper woodlands
|elevation=300-2400 m
|distribution=Ariz.;Calif.;Idaho;Nev.;Oreg.;Utah;Wash.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1870
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_982.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Chorizanthe
|subgenus=Chorizanthe subg. Amphietes
|section=Chorizanthe sect. Acanthogonum
|species=Chorizanthe watsonii
}}<!--

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