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Photographer: Emmet J. Judziewicz
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Family Polygonaceae
Persicaria longiseta (Bruyn) Moldenke
Oriental lady's-thumb
Persicaria: peach-like, the medieval name for knotweed
longiseta: longus for "long, extended;" seta for “a bristle or stiff hair of an animal”
from longus for "long" or "extended" and seta for "a bristle or stiff hair of an animal"
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| Status: | Introduced - locally established |
| Plant: | drooping, annual, 12"-32" tall forb; branched stems smooth, not glandular, overlapping nodes with hairy bristles up to 1/3" long; taprooted |
| Flower: | pink to rose, 5-parted, petals and petal-like sepals connected at the base; inflorescence 3/4"- 1 1/2" dense, slender, spike-like clusters (raceme) on stalks jointed at the top |
| Fruit: | black, smooth, shiny, dry, 3-angled seed |
| Leaf: | alternate, dark green, thin, lance-like to elliptical |
| Habitat: | moist; disturbed sites |
| Notes: | similar to P. careyi-glandular- stemmed; P. maculosa-short-haired nodes |
| (Glossary) |
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 Moldenke&phog=Emmet J. Judziewicz&spcode=PERLON1)
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