Heartsepal Buckwheat (Eriogonum multiflorum)
Description
Herbs, 5-20 - 3-6 dm, reddish. Aerial flowering stems slender or stout, 4-15 dm, floccose to tomentose. Leaves: petiole 0.3-1 cm (rosette), or 0.2-0.5 cm (cauline), tomentose to floccose; blade narrowly lanceolate to narrowly elliptic or oblong to narrowly ovate, 1.5-5(-8) - 0.3-2.2(-2.5) cm, densely tomentose abaxially, tomentose or floccose to glabrate adaxially, sometimes thickened and auriculate-subclasping proximally; margins entire or crisped, rarely revolute. Inflorescences 50-200 - 20-100 cm; bracts triangular, 1-3 mm. Peduncles 0.1-0.4 cm, tomentose to floccose. Involucres turbinate to turbinate-campanulate, 2-2.5 - 1.5-2(-2.5) mm, tomentose to floccose or occasionally glabrous abaxially, tomentose adaxially; teeth 5, 0.3-0.8 mm. Flowers 1.5-2.5 mm; perianth white to reddish brown; tepals: those of outer whorl oblong-cordate, 1.5-2 - 1.5-2 mm, those of inner whorl lanceolate to oblong, 1.5-2.5 - 0.2-0.5 mm; stamens slightly exserted, 1.5-3 mm. Achenes 1.5-2 mm.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Polygonaceae
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Genus: Eriogonum
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