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Broad-leaved Arrowhead (Sagittaria latifolia) |
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Sagittaria engelmanniana The leaves of Engelmann's Arrowhead are extremely narrow and sometimes blade-shaped. Some varieties of Broad-leaved Arrowhead also have very narrow leaves. However Broad-leaved Arrowhead has a larger number of stamens (25 to 40 per flower) than Engelmann's Arrowhead (15 to 25 per flower).
Sagittaria rigida The leaves of Sessile-fruited Arrowhead usually (but not always) lack backward pointing projections. The fruits (and female flowers) of Sessile-fruited Arrowhead are sessile to the stem, but those of Broad-leaved Arrowhead are borne on stalks. Broad-leaved Arrowhead (Sagittaria latifolia) Identification: Aquatic. Flowers with three, large white petals. Flowers arranged in groups of three. Stamens 25 to 40 per flower. Fruits stalked. Leaves arrowhead shaped, but extremely variable in width. Distribution: Throughout North America. Habitat: Broad-leaved Arrowhead is the commonest and most widespread species of the genus and is found in a variety of aquatic habitats including ponds, swamps, lakes, and the shores of rivers. Flowering period: July to October.
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Broad-leaved Arrowhead (Sagittaria latifolia)
Similar Species: The leaves of Broad-leaved Arrowhead are extreme variable in width and shape. Engelmann's Arrowhead (Sagittaria engelmanniana) Sessile-fruited Arrowhead (Sagittaria rigida)
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Similar Species |
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