| Plant: Coarse, vigorous, 4 foot annual with bur like seed pod. |  |
| Flower/Seed pod: Male and female flowers are on different flower heads on the same plant. Female flowers are clustered below the male flower heads. Seeded is a bur 3/4 to 1-1/2 inches long with many hooked spines. There are two incurved hooks at the end of the bur. The seedlings and seeds are poisonous. |  
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| Leaf: Heart shaped, 4 inches long, green on both sides. Irregularly toothed, thick and sand papery. Leaf stems are about the same length as the leaves. |  |
| Flowering period: | July to October |
| Use by Indians: | Leaves were used as wraps to cook other food. |
| Can be found here: | Big Canyon, Back Bay Dr., Interpretive Center. |
| Native Plant: Yes | Halophyte: No |
| Family Name: Sunflower |
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Date: 10/17/2005
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