Comments
provided by eFloras
Many previous reports of Chenopodium opulifolium in North America were based on misidentifications. Determining its present occurrence and exact distribution in the New World requires special study.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Stems erect to ascending, usually much-branched, 0.2-0.7(-10) dm, densely farinose. Leaves non-aromatic; petiole 0.5-2(-3) cm, shorter than or equaling leaf blades; blade ovate to rhombic-ovate, 1-3.5(-4.5) × 1-3(-4) cm, base broadly cuneate to abruptly truncate, distinctly 3-lobed, margins dentate to ± entire, apex obtuse (rarely subacute), grayish, usually densely farinose on both surfaces. Inflorescences glomerules in terminal and lateral compound spikes, 2-19 cm; glomerules subglobose, 3-4 mm diam.; bracts absent. Flowers: perianth segments 5, distinct nearly to base; lobes ovate, ca. 1 × 1.1 mm, apex obtuse, densely farinose, keeled, covering fruit at maturity; stamens 5; stigmas 2, 0.2 mm. Utricles depressed-ovoid; pericarp nonadherent, smooth to indistinctly granulate. Seeds lenticular to compressed-subglobose, 0.8-1.25 mm diam.; seed coat black, smooth or faintly reticulate. 2n = 54.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
introduced; Ont.; Ill., Ind., Md., N.C., Pa.; native s Europe, introduced occasionally in other parts of the world.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
provided by eFloras
Fruiting late summer-fall.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Disturbed soils in open habitats; 0-200m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA