Stems erect to ascending, much-branched to simple, 1–10.5 dm, farinose. Leaves nonaromatic; petiole 0.2–9 cm; blade narrowly to broadly lanceolate, rhombic, ovate, or triangular, 1.2–12(–15) × 0.5–7.5(–9) cm, base cuneate to truncate, margins serrate, irregularly dentate, or entire, often with 2 basal lobes, apex acute to acuminate, farinose. Inflorescences glomerules in compound spikes, 5–17 cm; glomerules irregularly rounded, 4–7 mm diam.; bracts absent. Flowers: perianth segments 5, distinct nearly to base; lobes ovate to deltate, 0.7–1.5 × 0.7–1.3 mm, apex obtuse, farinose, often prominently keeled, covering fruit at maturity or not; stamens 5; stigmas 2, 0.3–0.5 mm. Achenes or utricles depressed-ovoid; pericarp adherent or nonadherent near stylar base, alveolate-rugose. Seeds round, 1–2 mm diam., margins rounded; seed coat brown to black, honeycomb pitted. 2n = 36.

Distribution

• Generated Map
• Legacy Map

Alta., B.C., Man., N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., D.C., Del., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., N.C., N.Dak., N.H., N.J., N.Mex., N.Y., Nebr., Nev., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., introduced widely.

Discussion

Varieties 6 (6 in the flora).

Selected References

None.

Lower Taxa

Chenopodium berlandieri var. berlandieri, Chenopodium berlandieri var. boscianum, Chenopodium berlandieri var. bushianum, Chenopodium berlandieri var. macrocalycium, Chenopodium berlandieri var. sinuatum, Chenopodium berlandieri var. zschackei

Key

1	Seeds 1.2-2 mm diam	> 2
1	Seeds 1-1.3 mm diam	> 4
2	Style bases with yellow area; seeds 1.2-1.5 mm diam	Chenopodium berlandieri var. zschackei
2	Style bases without yellow area; seeds 1.3-2 mm diam	> 3
3	Inflorescences large and drooping; seeds 1.7-2 mm diam	Chenopodium berlandieri var. bushianum
3	Inflorescences small and erect; seeds 1.3- 1.9 mm diam	Chenopodium berlandieri var. macrocalyci
4	Leaves not 3-lobed; inflorescences becoming bractless	Chenopodium berlandieri var. boscianum
4	Leaves 3-lobed; inflorescences with or without bracts	> 5
5	Inflorescences bractless	Chenopodium berlandieri var. berl
5	Inflorescences with leafy bracts	> 6
6	Style bases without yellow area	Chenopodium berlandieri var. sinuatum
6	Style bases with yellow area	Chenopodium berlandieri var. zschackei