Chenopodium L.
Fls perfect or ♀ in small axillary clusters, or the clusters in simple or compound spikes. Per. segs 2-5 ± united; stamens (0)-2-5. Styles 2-3, ± free. Fr. a membr. utricle ± invested by persistent per. Seed with crustaceous variously marked testa; embryo annular, endosperm cop. Annual to perennial herbs or shrubs with over 100 spp., mainly of temperate regions.