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June 21, 2010
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Southeastern, New Hampshire
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Common Arrowhead has very distinctive arrowhead leaves with long, somewhat pointed
tips. One thing that distinguishes Arrowhead from similar looking plants such
as Arrow Arum (Peltandra virginica) is that the veins of the leaves all originate
at the same point -- near the top of the stem. Also, the top backward pointing lobes
of the Common Arrowhead are far larger than other similar looking leaves. Those lobes
cover half or more than half the surface area as the main portion of the leaf.
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