Packera dubia, synonym Packera tomentosa, is a species of flowering plant in the composite family.[1] It is known by the common name woolly ragwort. It is native to the Southeastern United States, primarily to the coastal plain but extending into some areas inland.[2] Its preferred habitat is open, sandy areas and granitic outcrops. It is common throughout its range.[3]
| Packera dubia | |
|---|---|
| |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Packera |
| Species: | P. dubia
|
| Binomial name | |
| Packera dubia (Spreng.) Trock & Mabb.
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| Synonyms[1] | |
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Packera dubia is a perennial that produces a head of yellow flowers in late spring. Its seeds have been shown to have varying masses within a single head of flowers, perhaps as an adaptation for better dispersal in disturbed habitats.[4]
References
edit- ^ a b "Packera dubia (Spreng.) Trock & Mabb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-03-25.
- ^ "Flora of the Southern and Mid-Atlantic States".
- ^ Flora of North America
- ^ Leverett, L. D. and Jolls, C. L. (2014), "Cryptic seed heteromorphism in Packera tomentosa (Asteraceae): differences in mass and germination". Plant Species Biology, 29: 169–180. doi:10.1111/1442-1984.12011.
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