ragweed, giant
COMMON NAME: | Ragweed, giant | |
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SCIENTIFIC NAME: | Ambrosia trifida | |
FAMILY: | Asteraceae | |
LIFECYCLE: | Annual | |
FEATURES: | Tall growing annual species up to 8 feet tall. Leaves palmately vein with three to five large lobes. Inflorescence is a stalk of small flowers at the apex of the plant similar to common ragweed. |
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DESCRIPTION: | Tall growing, highly competitive summer annual weed species. Flowers in late summer to early fall. |