Lamb's Quarters (also known as White Goosefoot, Pigweed, Wild Spinach)
Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Caryophyllales, Family: Amaranthaceae, Genus: Chenopodium, Species: Chenopodium album · Amaranthaceae (Amaranth family) · Simple, deciduous herbaceous annual
Species
Chenopodium album
Leaf Type
Simple, deciduous herbaceous annual
Family
Amaranthaceae (Amaranth family)
Shape
Rhombic to lanceolate with irregular shallowly toothed or lobed margins near the base
Size
Approximately 1 to 3 inches long and 0.5 to 2 inches wide, typical for the species
Margin
Entire to irregularly wavy-toothed or shallowly lobed
Arrangement
Alternate along the grooved stem
Rarity
Very Common
Color & Pattern
Dull green to bluish-green upper surface, often coated with a whitish, powdery, mealy exudate (farinose pubescence) especially on the underside and new growth
Venation Pattern
Pinnate venation with a prominent central midrib and branching lateral veins
Texture & Surface
Soft, somewhat succulent, with a distinctive mealy or powdery texture due to vesicular hairs
Description
Lamb's quarters is an upright, branching annual herb that can grow from a few inches to several feet tall. It features angled, often striped stems with a mealy texture on the younger parts. The leaves are characteristically dusted with a white, flour-like powder that easily rubs off. Small, inconspicuous green flowers cluster tightly at the tips of the stems, eventually producing tiny, single-seeded fruits.
Key Features
White powdery or mealy coating on the underside of leaves and growing tips; rhombic-ovate leaves with irregular wavy margins; grooved, often purple-striped stems; alternate leaf arrangement
Habitat
Disturbed soils, agricultural fields, gardens, waste places, roadsides, and riverbanks; thrives in nitrogen-rich soils in full sun
Geographic Range
Cosmopolitan distribution; native to Europe and Asia, but naturalized extensively across North America and globally in temperate zones
Condition Notes
Good overall health; leaves appear turgid, fresh, and free from significant disease, though showing the natural powdery mealiness characteristic of the species
Interesting Facts
Lamb's quarters is closely related to quinoa and spinach. Its seeds were historically harvested by indigenous peoples and early Europeans as a nutritious grain substitute. It is also an extreme accumulator of nutrients, thriving in soils high in nitrogen.
Medicinal & Uses
Edible greens can be cooked like spinach or eaten raw in moderation when young. Rich in vitamins A and C, calcium, and iron. Traditionally used as a spring tonic and poultice for burns, though caution is required due to oxalic acid content.
Ecological Role
Provides an important food source for many bird species that eat the seeds, and serves as a host plant for various beneficial insects and caterpillars. It can act as a pioneer species in restoring disturbed soils.
Similar Species
Atriplex patula (Spearscale) and other Chenopodium species (such as Chenopodium hybridum or maple-leaved goosefoot), distinguished primarily by exact leaf shape, margin lobing, and seed characteristics
Foraging Tips
Look for disturbed soils in gardens and farms from spring through autumn. Easily identified by the frosted, mealy appearance of the newest leaves and the alternate arrangement on grooved stems. Young leaves and tender stem tips are best for foraging.
Toxicity Warning
Contains oxalic acid and saponins, similar to spinach and chard. Safe for most people when consumed in moderate amounts, but boiling and discarding the cooking water reduces oxalate levels. Excessive raw consumption can be harmful, especially for livestock or individuals with kidney issues.