Antenoron virginianum
| Scientific Name: | Antenoron virginianum |
| Synonym: | Polygonum virginianum, Tovara virginiana |
| Family: | Polygonaceae |
| Common Name: | Virginia Knotweed |
| Authority: | (Linnaeus) Roberty & Vautier |
| Etymology: | Antenoron = Latin for "after the manner of a ship's mast" and virginianum = described in Virginia |
| C Value: | 3 |
| Wetness: | FAC |
| # of Species in Genus in Illinois: | 1 |
| Duration: | Perennial |
| Reproduction: | Monoecious |
| Flower Type: | Perfect |
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| Flower Color: | White |
| Growth Habit: | Forb |
| Leaf Arrangement: | Alternate |
| Leaf Type: | Simple |
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| Leaf Margin: | Entire |
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| Distribution: | BONAP Distribution Map |
| Status (State): | Not Listed |
| Status (Federal): | Not Listed |
| ID Tips: | Leaves are broad, up to 6 inches long and 3 inches wide, rounded at the base and sharply pointed at the tip, on short stems. Leaves are usually hairy on both sides, but may be hairless on the underside. Look for ocrea (sheathing stipules). |
| Gee Whiz: | Is it a weed or not?! |
| Humor: | |
| More Info: | Illinois Wildflowers Search |