Difference between revisions of "Chenopodium watsonii"

A. Nelson

Bot. Gaz. 34: 362. 1902.

IllustratedEndemic
Basionym: Chenopodium olidum S. Watson Proc. Amer. Acad. Arts 9: 95. 1874,
Treatment appears in FNA Volume 4. Treatment on page 293. Mentioned on page 277, 291.
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|publication year=1902
 
|publication year=1902
 
|special status=Illustrated;Endemic
 
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_557.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_557.xml
 
|genus=Chenopodium
 
|genus=Chenopodium
 
|subgenus=Chenopodium subg. Chenopodium
 
|subgenus=Chenopodium subg. Chenopodium

Latest revision as of 21:59, 5 November 2020

Stems erect or ascending to decumbent, branched from base, 1–4.5 dm, sparsely to densely farinose. Leaves aromatic; petiole 0.4–1.4 cm; blade broadly rounded-triangular to rounded-rhombic or ovate, 1–2.6 × 0.5–2.9 cm, base rounded or subtruncate or broadly cuneate, margins entire or proximal leaves with 1–2 teeth on each side at base, apex rounded to obtuse or acute or apiculate, densely farinose on both surfaces. Inflorescences glomerules in paniculate spikes, 14–24 × 2–3 cm, maturing irregularly; bracts leaflike. Flowers: perianth segments 5, connate into 0.3 mm tube; lobes ovate, keeled, 1–1.4 × 0.9–1.2 mm, apex acute to obtuse, farinose, enclosing fruit at maturity; stamens 5; stigmas 2. Achenes ovoid; pericarp adherent, usually strongly whitened, honeycombed. Seeds subglobose, 0.9–1.3 mm diam., margins obtuse; seed coat whitened, coarsely honeycombed. 2n = 18.


Phenology: Fruiting late summer–fall.
Habitat: Woods and shrublands of various types, badlands, erosion breaks in prairies, volcanic rocks, pinyon and juniper, sagebrush, disturbed ground, old mine areas, roadsides
Elevation: 600-3200 m

Distribution

V4 557-distribution-map.gif

Alta., Sask., Ariz., Calif., Colo., Kans., Mont., N.Mex., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Chenopodium watsonii"
Steven E. Clemants +  and Sergei L. Mosyakin +
A. Nelson +
Chenopodium olidum +
Alta. +, Sask. +, Ariz. +, Calif. +, Colo. +, Kans. +, Mont. +, N.Mex. +, S.Dak. +, Utah +  and Wyo. +
600-3200 m +
Woods and shrublands of various types, badlands, erosion breaks in prairies, volcanic rocks, pinyon and juniper, sagebrush, disturbed ground, old mine areas, roadsides +
Fruiting late summer–fall. +
Chenopodium watsonii +
Chenopodium subsect. Favosa +
species +