Polygonum persicaria L. Persicaria persicaria (L.) Small nom. inval. Persicaria puritanorum (Fernald) Soják Persicaria maculata (Raf.) Gray Persicaria maculosa Gray Persicaria ruderalis (Salisb.) C.F. Reed Persicaria ruderalis (Salisb.) C.F. Reed var. vulgaris (Webb & Moq.) C.F. Reed Persicaria vulgaris Webb & Moq. Polygonum dubium Stein Polygonum fusiforme Greene Polygonum minus auct. non Huds. Polygonum minus Huds. var. subcontinuum (Meisn.) Fernald Polygonum persicaria L. var. angustifolium Beckh. Polygonum persicaria L. var. ruderale (Salisb.) Meisn. Polygonum puritanorum Fernald Persicaria persicaria (L.) Small Lady’s thumb, persicaria, redleg, spotted ladysthumb, Adam’s plaster, lily of the valley
Lady’s thumb, a native of Europe and Asia, became naturalized throughout the entire United States after its introduction there. Identification: The plants reach 3' (91 cm) in height, though smaller plants are common. Leaves are long and narrow, up to about 5" (12 cm) long and an inch wide. Tiny pink and white flowers form spikes up to 3" (7.6 cm) long—the most noticeable feature of these rather inconspicuous plants. Leaves sometimes have a dark triangular ”thumbprint” on them. Edibility: The leaves and young shoots are “palatable and nutritious”[1] leaf vegetables. Young leaves may be added to salads, or cooked and served with vinegar, tasting a bit like spinach.[2] Online References:
Polygonum persicaria on CalPhotos Polygonum persicaria at Alaskawildflowers.us Polygonum persicaria on Turner Photographics' Wildflowers site Polygonum persicaria on Plants for a Future, a resource and information centre for edible and otherwise useful plants Polygonum persicaria on spes.vt.edu Polygonum persicaria at the University of Wisconsin's Robert W. Freckmann Herbarium Polygonum persicaria on eFloras References:
9/3/2009 · Nashua River Rail Trail, Ayer, Massachusetts 9/9/2013 · J. Harry Rich Forest, Groton, Massachusetts 9/9/2014 · Bemis Road, Pepperell, Massachusetts 8/17/2013 · Hopkinton State Park, Hopkinton, Massachusetts 9/9/2014 · Bemis Road, Pepperell, Massachusetts 7/17/2009 · Mt. Lebanon St, Trail, Pepperell, Massachusetts 9/9/2013 · J. Harry Rich Forest, Groton, Massachusetts 9/14/2009 · Near Nashoba Hospital, Ayer, Massachusetts 8/18/2013 · Bemis Road, Townsend, Massachusetts 9/9/2014 · Bemis Road, Pepperell, Massachusetts 8/7/2010 · Nashua River Rail Trail, near Nashoba Hospital, Ayer, Massachusetts Usually pink, but may be greenish white or purple. · 8/7/2010 · Nashua River Rail Trail, near Nashoba Hospital, Ayer, Massachusetts 2See Peterson, Lee Allen, Peterson Field Guides Edible Wild Plants, Eastern/Central North America, Houghton Mifflin Company, 1977, p. 116. Polygonum persicaria description by Thomas H. Kent, last updated 25 May 2020. © FloraFinder.org. All rights reserved. |
9/10/2016 · Arlington St., Groton, Massachusetts 8/18/2013 · Bemis Road, Townsend, Massachusetts A bit pinker than usual. · 9/18/2010 · Nashua River Rail Trail, Groton Center, Groton, Massachusetts 8/17/2013 · Hopkinton State Park, Hopkinton, Massachusetts 9/10/2016 · Arlington St., Groton, Massachusetts 9/10/2016 · Arlington St., Groton, Massachusetts A bit pinker than usual. · 9/18/2010 · Nashua River Rail Trail, Groton Center, Groton, Massachusetts 9/9/2014 · Bemis Road, Pepperell, Massachusetts 9/14/2009 · Near Nashoba Hospital, Ayer, Massachusetts 8/3/2009 · 111 Near 119, Pepperell, Massachusetts 9/9/2013 · J. Harry Rich Forest, Groton, Massachusetts 9/9/2014 · Bemis Road, Pepperell, Massachusetts 8/6/2009 · Nashua River Rail Trail, Groton, Massachusetts 8/6/2009 · Nashua River Rail Trail, Groton, Massachusetts 8/7/2010 · Nashua River Rail Trail, near Nashoba Hospital, Ayer, Massachusetts 9/9/2013 · J. Harry Rich Forest, Groton, Massachusetts Range:
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