English > sour grass: 1 sense > noun 1, plant| Meaning | Any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine. |
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| Synonyms | dock, sorrel |
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| Member of | Rumex, genus Rumex | docks |
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| Narrower | French sorrel, garden sorrel, Rumex scutatus | Low perennial with small silvery-green ovate to hastate leaves |
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| bitter dock, broad-leaved dock, yellow dock, Rumex obtusifolius | European dock with broad obtuse leaves and bitter rootstock / rootstock common as a weed in North America |
| sheep sorrel, sheep's sorrel, Rumex acetosella | small plant having pleasantly acid-tasting arrow-shaped leaves |
| sour dock, garden sorrel, Rumex acetosa | European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens |
| Broader | herb, herbaceous plant | A plant lacking a permanent woody stem |
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| Spanish | acedera, romaza |
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