Persicaria hydropiperoides |
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water pepper, swamp smartweed |
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Habit | Herbaceous perennial, up to 1 m. tall, usually decumbent and tending to root freely. |
Leaves | Leaves numerous on short petioles, alternate, scarcely reduced upward, lanceolate to oblong-lanceolate with an acute base, 5-12 cm. long; sheathing stipules 1-2 cm. long with bristly hairs around the top. |
Flowers | Inflorescence of 2 or more spike-like, interrupted racemes; perianth greenish to white or pinkish, 2.5-3 mm. long, 5-lobed half the length, the segments oblong and sub-equal; stamens 8 with short filaments |
Fruits | Achene with three sharp angles, black, smooth and shining, about 3 mm. long. |
Persicaria hydropiperoides |
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Flowering time | July-September |
Habitat | Moist to swampy areas, often growing in mud, from the lowlands to the lower mountain valleys. |
Distribution | Occurring chiefly west of the Cascades crest in Washington; British Columbia to Mexico and South America, east across North America to the Atlantic coast.
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Origin | Native |
Conservation status | Not of concern |
Sibling taxa | |
Web links |
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