CHARLOCK
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| File Size: 64 KB |
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Sinapis arvensis L.
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| [=Brassica kaber (DC. ) Wheeler] |
| Mitchell County, Kansas |
| Annual |
| Height: 8 to 32 inches |
| Family: Brassicaceae - Mustard Family |
| Flowering Period: May, June, July |
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| Also Called: | | Wild mustard. | | Stems: | | Erect, branched above, bristly-hairy or glabrous. | | Leaves: | | Alternate, simple, stalked below, sessile above, egg-shaped or rhombic, 2-8 inches long, 1-4 inches wide; margins coarsely toothed or sometimes lobed; upper leaves progressively smaller, rhombic to oblong; tips pointed. | | Inflorescences: | | Raceme, terminal. | | Flowers: | | Conspicuous, about 3/5 inch wide; sepals 4, in 2 opposite pairs; petals 4, pale yellow, diagonal to sepals. | | Fruits: | | Pods, linear, 1/2 to 3/4 inch long, mostly glabrous, ascending, with prominent, flattened beak about 1/2 inch long; seeds 7-13, nearly spherical, black to purplish brown. | | Habitat: | | Waste ground, gardens, cultivated fields, and roadsides. | | Distribution: | | Throughout Kansas. | | Origin: | | Introduced from Europe. | | Toxicity: | | Will occasionally accumulate toxic concentrations of nitrates. | | Comments: | | Charlock can be a problem weed. Its seeds can survive in the ground for a long time. | | | | See Brassica juncea , a related species. |
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| Charlock |  | | 140 KB | | Mitchell County, Kansas |
| | Charlock |  | | 140 KB | | Mitchell County, Kansas |
| | Charlock |  | | 137 KB | | Mitchell County, Kansas |
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