1 "Most leaves as wide as long or nearly so, (7-)15-43(-54) mm long; stems usually with green and white longitudinal lines, rarely red; testa with radial furrows close and minute roughness between them" "Chenopodium opulifolium" 1 "Most leaves distinctly longer than wide, normally at least 1.5 times longer, usually over 3 cm long; stems often reddish; testa with radial furrows widely spaced and smooth between them" "Chenopodium album"