Sourgrass
Sourgrass is a common name given to several plant species which have a sour taste. Most are in fact not grasses:
- Digitaria insularis, a true grass (Poaceae)
- Oxalis species (woodsorrels) of the Oxalidaceae, namely:
- Oxalis pes-caprae (Bermuda-buttercup)
- Oxalis grandis (large yellow woodsorrel)
- Oxalis montana (mountain woodsorrel)
- Oxalis stricta (yellow woodsorrel)
- Rumex acetosella (sorrel) of the Polygonaceae
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