TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora.

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

CHENOPODIACEAE

GOOSEFOOT FAMILY

Dieter H. Wilken, except as specified

Annual to tree, sometimes monoecious or dioecious, glandular or with bead-like hairs that collapse with age, becoming scaly or powdery
Stem often fleshy
Leaves generally alternate, entire to lobed; veins generally pinnate
Inflorescence: raceme, spike, catkin-like, or spheric cluster, or flower 1; bracts 0–few
Flower: sepals 1–5, often 0 in pistillate flowers, free or fused, generally persistent in fruit; petals 0; stamens 0–5; ovary generally superior, chamber 1, ovule 1, styles 1–3
Fruit: generally utricle
Seed 1, vertical (fruit compressed side-to-side) or horizontal (fruit compressed top-to-bottom)
Genera in family: 100 genera, 1300 species: worldwide, especially deserts, saline or alkaline soils; some cultivated for food (Beta , beets, chard; Chenopodium , quinoa)
Recent taxonomic note: Recently treated in expanded Amaranthaceae

CHENOPODIUM

PIGWEED, GOOSEFOOT

Annual or perennial herb, glabrous, glandular, or powdery
Stem: branches 0 to generally ± spreading
Leaves generally petioled, linear to deltate, entire to lobed, reduced upward; base generally tapered
Inflorescence: spheric clusters, spikes, or panicle-like, generally dense; bracts generally 0; flowers generally sessile
Flower: calyx segments generally 5, fused or not, persistent, flat to keeled; stamens generally 5; ovary lenticular to spheric, stigmas 2–5
Seed vertical or horizontal, red-brown to black; wall very thin
Species in genus: ± 150 species: temp; some cultivated for food or grain
Etymology: (Greek: goose foot, from leaf shape of some)
Reference: [Wahl 1954 Bartonia 27:1–46; Crawford 1975 Brittonia 27:279–288]
Fr generally required for identification.

Introduced

C. strictum Roth var. glaucophyllum (Aellen) Wahl

Annual 45–120+ cm
Leaves glabrous or sparsely powdery above; basal 25–40 mm, generally ovate, irregularly serrate; cauline 12–20 mm, lanceolate to narrowly ovate, entire
Flower: sepals not enclosing fruit, back flat or weakly keeled, sparsely powdery
Fruit ± 1 mm diam; wall generally adherent to seed
Seed horizontal
Chromosomes: 2n=36
Ecology: Open, disturbed places
Elevation: < 1700 m.
Bioregional distribution: Cascade Range Foothills, Sierra Nevada, Great Central Valley, San Francisco Bay Area, Outer South Coast Ranges, South Coast, San Bernardino Mountains, Desert Mountains (uncommon)
Distribution outside California: to Canada; native to e US
Flowering time: Aug–Oct
Perhaps best considered part of C. album. Var. strictum native to Eurasia.

previous taxon | next taxon
bioregional map for CHENOPODIUM%20strictum%20var.%20glaucophyllum being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Chenopodium strictum var. glaucophyllum
Retrieve dichotomous key for Chenopodium
Return to treatment index page
Glossary
University & Jepson Herbaria Home Page | Copyright © by the Regents of the University of California