Chenopodium fremontii

S. Watson

Botany (Fortieth Par allel), 287. 1871

Treatment appears in FNA Volume 4. Treatment on page 291. Mentioned on page 277, 292.
Stems erect to spreading, simple proximally, branched distally, 1–8 dm, farinose. Leaves non-aromatic; petiole 0.4–2.5 cm; blade usually broadly triangular, sometimes ovate to elliptic, 0.7–6 cm thick, base truncate or cuneate, margins entire or with a pair of basal teeth or lobes, apex rounded to obtuse, farinose abaxially. Inflorescences glomerules in terminal and axillary interrupted spikes, 16–22 × 4–5 cm; glomerules 2–5 mm diam., maturing mixed; bracts small, margins entire. Flowers: perianth segments 5, distinct nearly to base; lobes ovate, 0.7–1 × 0.5–0.9 mm, apex obtuse, carinate, farinose to subglabrous, completely covering fruit at maturity; stamens 5; stigmas 2, 0.2–0.5 mm. Utricles ovoid; pericarp nonadherent, warty-smooth. Seeds round, 1–1.3 mm diam.; seed coat dark reddish brown to black (sometimes with light streaks), ± smooth. 2n = 18.

Phenology: Fruiting late summer–fall.
Habitat: A wide variety of habitats from desert, cliffs, talus, and moist shaded areas under aspen, junipers, or pinyons, often in riparian habitats
Elevation: 2000-2900 m

Distribution

V4 549-distribution-map.gif

Alta., B.C., Man., Sask., Ariz., Calif., Colo., Idaho, Kans., Mont., Nebr., Nev., N.Mex., N.Dak., Oreg., S.Dak., Tex., Utah, Wyo., Mexico (Baja California, Coahuila, Tamaulipas).

Discussion

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Chenopodium fremontii"
AuthorSteven E. Clemants + and Sergei L. Mosyakin +
AuthorityS. Watson +
BasionymsFremontiana +
DistributionAlta. +, B.C. +, Man. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Kans. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wyo. +, Mexico (Baja California +, Coahuila + and Tamaulipas). +
Elevation2000-2900 m +
HabitatA wide variety of habitats from desert, cliffs, talus, and moist shaded areas under aspen, junipers, or pinyons, often in riparian habitats +
IllustratorYevonn Wilson-Ramsey +
PhenologyFruiting late summer–fall. +
Publication titleBotany (Fortieth Par allel), +
Publication year1871 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V4/V4 549.xml +
Taxon familyChenopodiaceae +
Taxon nameChenopodium fremontii +
Taxon parentChenopodium subsect. Fremontia +
Taxon rankspecies +
VolumeVolume 4 +