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Etymology: Senecio: from senex, "old man," referring to the gray hairs on the seeds
Plants: erect, annual, 8"-20" tall forb with usually 1 stem Leaves: with coarse, irregular teeth and/or pinnately-divided Flowers: head 1/4" - 1/3" wide, yellow disk flowers and no rays; inflorescence of 8-20 heads in a loose, branched cluster; blooms April-Dec. Fruits: dry seed on fluffy pappus Habitat: disturbed sites Hazardous: Careful, this plant is hazardous! Conservation Status: Introduced - naturalized
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = UPL* USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key
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© Wisconsin State Herbarium, UW-Madison
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