Persicaria (Red Leg, Redshank, Pale Persicaria, Lady's Thumb)
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- Common Name: Persicaria (Red Leg, Redshank, Pale Persicaria, Lady's Thumb)
- Latin Name: Persicaria maculosa; Persicaria lapathifolia
- Family Name: Polygonaceae
Persicaria is a member of the Polygonaceae family where many members contain oxalic acid which binds with calcium, thus preventing absorption. It is also a diuretic so best avoided.
Although a wild flower, Persicaria is often cultivated and grown in UK gardens. See also Knotweed, Bistort and Red Bistort.