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.
Revision as of 20:01, 24 September 2019 by FNA>Volume Importer

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

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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

Selected References

None.

Lower Taxa

None.
... more about "Chenopodium fremontii"
Steven E. Clemants +  and Sergei L. Mosyakin +
S. Watson +
Fremontiana +
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 +  and Tamaulipas). +
2000-2900 m +
A wide variety of habitats from desert, cliffs, talus, and moist shaded areas under aspen, junipers, or pinyons, often in riparian habitats +
Fruiting late summer–fall. +
Botany (Fortieth Par allel), +
Chenopodium fremontii +
Chenopodium subsect. Fremontia +
species +