Sagittaria latifolia |
Sagittaria cristata |
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broadleaf arrowhead, duck potato, wapato |
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Habit | Plants perennial. | |
Roots | rhizomes absent; tubers present. |
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Leaves | emersed; petioles ascending to erect; to 50 cm; blades sagittate, 1–30 × 2–15 cm. |
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Inflorescences | emersed, with 3–9 whorls, 4–25 cm; peduncles 10– 55 cm; lowest inflorescence node with 3 pistillate flowers; pedicels cylindrical, 0.5–3.5 cm. |
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Flowers | to 4 cm in diameter; sepals recurved to spreading; petals without spot at base. |
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Fruits | heads 1–2 cm in diameter; achenes oblanceolate, 2–3.5 mm; wings absent; beaks lateral or horizontal, 1–2 mm. |
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Sagittaria latifolia |
Sagittaria cristata |
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Distribution | ||
Discussion | Edges of streams and lakes, pools, ditches. Flowering Jul–Sep. 0–100 m. BR, Col, CR, WV. CA, ID, WA; throughout most of North America; South America. Native. |
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Source | Flora of Oregon, volume 1, page 132 Tamra Prior |
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Sibling taxa | ||
Synonyms | Sagittaria latifolia var. latifolia | |
Web links |
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