| 词条 | Vernonia noveboracensis |
| 释义 |
|image = Vernonia noveboracensis 1.JPG|image_caption=Closeup of flowers |status = G5 |status_system = TNC |genus = Vernonia |species = noveboracensis |authority = (L.) Michx. |range_map = Veno.png |range_map_caption = Natural range in North America }}Vernonia noveboracensis (New York ironweed[1] or vein-leaf hawkweed) is a plant in the daisy family, Asteraceae. It is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia.[2] DescriptionVernonia noveboracensis is a herbaceous plant with alternate, simple leaves, on stiff, greenish purple stems. The flowers are purple, borne in summer and fall.[3] This ironweed is an herbaceous perennial that spreads by seeds and runners. Ironweed can be an aggressive weed in moist soils.[4]See alsoJoe Pye WeedReferences1. ^{{PLANTS|id=VENO|taxon=Vernonia noveboracensis|accessdate=29 July 2015}} {{Taxonbar|from=Q1983017}}{{Asteraceae-stub}}2. ^{{cite web|url= http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220014135|work=Flora of North America|title=Vernonia noveboracensis}} 3. ^{{cite book|author=Blanchan, Neltje|title=Wild Flowers Worth Knowing|year=2005|publisher=Project Gutenberg Literary Archive Foundation|authorlink=Neltje Blanchan}} 4. ^{{cite book|last=Martin|first=Alexander C.|title=Weeds|year=1972|publisher=Western Publishing Company|location=Racine, Wisconsin|page=116}} 2 : Vernonia|Flora of the Eastern United States |
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