|University of California, Berkeley|
|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 atrovirens Rydb.
Habit: Annual, erect, 7--60 cm, many-branched generally from base. Leaf: petiole generally strongly upcurved; blade 9--25 mm, length 2--3 × width, narrowly oblong or elliptic, generally prominently 3-veined, moderately to densely powdery, entire or occasionally 1--2 pairs of lobes near base, base generally rounded to tapered, tip generally obtuse to round, occasionally small-pointed at tip. Inflorescence: clusters in axillary and terminal spikes and panicles. Flower: sepals obovate, +- keeled, sparsely powdery, not enclosing fruit in age, tip rounded. Fruit: 1--1.5 mm diam; fruit wall smooth, attached to seed, loose in age. Seed: horizontal; seed coat wrinkled abaxially; margin thinly ridged. Chromosomes: 2n=18.
Ecology: Open places, scrub, woodland, conifer forest; Elevation: 300--3500 m. Bioregional Distribution: NW, CaR, SN, SnBr, PR, GB, n DMoj; Distribution Outside California: to Wyoming, central United States, New Mexico. Flowering Time: Jul--Sep Note: +- like Chenopodium pratericola.
eFlora Treatment Author: Steven E. Clemants & Nuri Benet-Pierce
Jepson Online Interchange
Previous taxon: Chenopodium album
Next taxon: Chenopodium berlandieri
Citation for this treatment: Steven E. Clemants & Nuri Benet-Pierce 2017. Chenopodium atrovirens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=19140, accessed on March 27, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 27, 2017.