Persicaria hydropiper (L.) Spach
Family: Polygonaceae
marsh-pepper smartweed,  more...
[Polygonum hydropiper L.,  more]
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Botanical Illustration  
Etymology: Persicaria: peach-like, the medieval name for knotweed
Plants: erect to spreading, annual, 6"-24" tall, mostly smooth, often reddish, peppery tasting forb; stems nodes with short hairs, upper ones swelling with closed flowers; taprooted
Leaves: alternate, narrowly lance-like, mostly less than 1" wide
Flowers: greenish-pink, 4-or 5-parted, petals and petal-like sepals connected at the base; inflorescence thin, usually unbroken clusters arching or nodding near the tip; blooms July-Sept.
Fruits: brown/black, dull, dry seed
Habitat: wet; marshes, streambanks
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Marion Sheehan  
Persicaria hydropiper image
Botanical Illustration  
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