Chenopodium bryoniifolium (Chenopodium bryoniifolium)
Description
Herbs annual,50-80 cm tall.Stem erect,much branched above,terete below,green striate and slightly obtusely ribbed above;branches obliquely spreading,slender.Petiole slender;leaf blade of lower and middle leaves ovate-triangular to ovate-rhombic,usually 3-4 × 2-3 cm,2-3 × as long as petiole,slightly farinose abaxially,not farinose adaxially,base broadly cuneate,margin distinctly 3-lobed,apex acute;middle lobe triangular,lateral lobes near base,usually 2-toothed;upper leaves smaller,leaf blade subhastate.Glomerules borne on upper branches,arranged into slender,spikelike panicles.Flowers bisexual.Perianth segments 5,slightly spreading in fruit,ovate,abaxially keeled,farinose.Pericarp dark brown,adnate to seed.Seed horizontal,black,very slightly lustrous,lenticular,1.3-1.5 mm in diam.,distinctly radially lineate.Fl.and fr.Jul-Sep.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Amaranthaceae
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Genus: Chenopodium
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