Difference between revisions of "Chorizanthe polygonoides"

Torrey & A. Gray

Proc. Amer. Acad. Arts 8: 197. 1870.

Treatment appears in FNA Volume 5. Treatment on page 466. Mentioned on page 446, 448.
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Chorizanthe polygonoides
 
name=Chorizanthe polygonoides
|author=
 
 
|authority=Torrey & A. Gray
 
|authority=Torrey & A. Gray
 
|rank=species
 
|rank=species
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|publication year=1870
 
|publication year=1870
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V5/V5_977.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_977.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Chorizanthe
 
|genus=Chorizanthe

Latest revision as of 22:15, 5 November 2020

Plants prostrate, 0.1–0.5 × 0.3–2(–2.5) dm, villous. Leaves basal; petiole 0.5–1 cm; blade oblanceolate to elliptic, 0.3–1 × 0.2–0.3 cm, thinly pubescent. Inflorescences with involucres in small clusters 0.5–1 cm across even at dichotomies, greenish or reddish; bracts 2, petiolate or sessile, similar to proximal leaf blades, oblanceolate or narrowly elliptic to linear-lanceolate, 0.3–1 cm × 1–3 mm, awns absent. Involucres 1, greenish or reddish, campanulate, 5–6-ribbed, 1.5–2.5 mm, corrugate, thinly pubescent; teeth 5–6, unequal, 3 longer ones 1.5–3 mm, these alternating with 2 or 3 shorter ones 1–2 mm, anterior tooth not leaflike; awns of prominent teeth uncinate and 1.5–3 mm, those of shorter teeth straight and 1–2 mm. Flowers 1, included to slightly exserted; perianth white to rose, cylindric, 1.5–1.8(–2) mm, densely pubescent abaxially; tepals connate 2/3 their length, monomorphic, oblong, obtuse to truncate or minutely emarginate apically; stamens (6) 9, slightly exserted; filaments distinct, 0.8–1 mm, glabrous; anthers reddish, ovate, 0.2–0.3 mm. Achenes dark brown to black, 3-gonous, 2–2.5 mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Involucres 2-2.5 mm; awns of prominent involucral teeth 1.5-2 mm Chorizanthe polygonoides var. polygonoides
1 Involucres 1.5-2 mm; awns of prominent involucral teeth 2-3 mm Chorizanthe polygonoides var. longispina