Chenopodium murale |
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nettle-leaf goosefoot, sowbane |
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Stems | erect, branched, 1–6(–10) dm, glabrous (to sparsely farinose when young); proximal branches decumbent. |
Leaves | nonaromatic; petiole 1–2.5 cm; blade triangular, ovate, or rhombic-ovate, 0.8–4(–8) × 0.4–3(–5) cm, base cuneate to rounded, margins irregularly dentate, apex acute to acuminate, glabrous (rarely indistinctly farinose when young). |
Inflorescences | glomerules in terminal and lateral panicles, 6–7 × 4–5 cm; glomerules subglobose, 2–4 mm diam., or some flowers not in glomerules; bracts absent. |
Flowers | perianth segments 5, distinct nearly to base; lobes ovate, 0.5–0.8 × 0.6–0.7 mm, apex acute to obtuse, keeled abaxially, farinose, covering fruit at maturity; stamens 5; stigmas 2, 0.2 mm. |
Achenes | depressed-ovoid; pericarp adherent, pustulate, becoming smooth with maturity. |
Seeds | lenticular, round, 1–1.5 mm diam.; seed coat black, minutely rugose to ± smooth. |
2n | = 18. |
Chenopodium murale |
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Phenology | Fruiting fall. |
Habitat | Waste places, roadsides, clay mounds, open oak woods, prairies, rocky hillsides, along railways |
Elevation | 0-2000 m (0-6600 ft) |
Distribution |
AR; AZ; CA; CT; DC; DE; FL; GA; IL; IN; KY; LA; MA; MD; ME; MI; MO; NC; NJ; NV; NY; OH; OK; OR; PA; RI; SC; TN; TX; UT; VA; VT; WI; WV; BC; NB; ON; QC; SK; native to Europe; Asia; n Africa [Introduced in North America; introduced nearly worldwide, mostly in subtropics and warm-temperate regions]
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Discussion | Chenopodium murale is distinctive and is one of the more common species of the genus in the world, especially in tropical and subtropical regions. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 4, p. 287. |
Parent taxa | Chenopodiaceae > Chenopodium > subg. Chenopodium > sect. Chenopodium > subsect. Undata |
Sibling taxa | |
Name authority | Linnaeus: Sp. Pl. 1: 219. (1753) |
Web links |
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