sour grass

1. Any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine (synset 112624720)
   is a type of: herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
   subtypes:

   • garden sorrel, rumex acetosa, sour dock - European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens
   • rumex acetosella, sheep sorrel, sheep's sorrel - small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry places
   • bitter dock, broad-leaved dock, rumex obtusifolius, yellow dock - European dock with broad obtuse leaves and bitter rootstock common as a weed in North America
   • french sorrel, garden sorrel, rumex scutatus - low perennial with small silvery-green ovate to hastate leaves
   belongs to: genus rumex, rumex - docks: coarse herbs and shrubs mainly native to north temperate regions
   same as: dock, sorrel

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