Aquatic and Wetland Vascular Plants of the Northern Great Plains
12. Chenopodiaceae, the Goosefoot Family
2. Chenopodium L. -- Goosefoot2. Chenopodium rubrum L. -- Red goosefoot
Plants erect to decumbent, sometimes low and spreading, 1-10 dm tall; stems simple to freely branched. Leaf blades green on both surfaces, often reddish-tinged, drying dark, only weakly farinose when young, soon glabrate, lanceolate to trullate or deltate, sometimes weakly hastate, 2-8(10) cm long, 0.7-5(8) cm wide, irregularly sinuate-dentate to sinuate-lobed, seldom entire; petioles mostly 0.5-3(5) cm long. Perianth 2- to 4-lobed; fruit vertical, the pericarp brown; seed dark brown, shiny, orbicular to oval, 0.5-0.8 mm in diameter. Aug--Oct. Same habitats as the preceding; common, often locally abundant; (Newf. to B.C., s to NJ, MO, NE, n NM and CA; also Eurasia).
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