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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Chenopodiaceae||View Description||Dichotomous Key|
|Genus: Chenopodium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Chenopodium missouriense Aellen
Habit: Annual 40--200 cm. Leaf: petiole to 2.5 cm; blade 1.5--8(10) cm, ovate to +- triangular- or lanceolate-diamond-shaped, powdery, irregularly wavy-dentate to deeply toothed, occasionally lobed near base, base tapered. Inflorescence: inflorescence branches +- curved or pendent; clusters generally dense (or sparse if of late germination), in axillary and terminal spikes or panicles. Flower: calyx lobes elliptic to ovate, not enclosing fruit in age. Fruit: 1--1.5 mm diam; wall free or occasionally +- loosely attached to seed and free in age, thick, brown-black, papillate, shining. Seed: horizontal, +- spheric or oval, or a few vertical or oblique; seed coat black, occasionally +- red, netted, radially grooved or smooth, margin rounded. Chromosomes: 2n=54.
Ecology: Open, generally disturbed areas; Elevation: < 1000 m. Bioregional Distribution: n SNF, s SN, SnJV, SCo, PR; Distribution Outside California: native to central and eastern United States. Flowering Time: Sep--Oct Note: Similar to Chenopodium album.
Synonyms: Chenopodium album L. var. missouriense (Aellen) Bassett & Crompton
Unabridged Note: Generally treated as part of a broadly conceived Chenopodium album.
eFlora Treatment Author: Steven E. Clemants & Nuri Benet-Pierce
Jepson Online Interchange
Previous taxon: Chenopodium macrospermum
Next taxon: Chenopodium murale
Citation for this treatment: Steven E. Clemants & Nuri Benet-Pierce 2017. Chenopodium missouriense, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19136, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.