Packera paupercula
Template:Short description Template:Speciesbox
Packera paupercula is a flowering plant species of the genus Packera and family Asteraceae, native to North America, where it is widespread across Canada and much of the United States.[1] Its common names include balsam ragwort and balsam groundsel.[2] It is a perennial herb that grows Script error: No such module "convert". tall.[3] Its habitats include wet meadows, open woodlands, and rocky outcrops.[4]
It flowers as early as April in the southern part of its range, and as late as August in the northern part of its range.[1][5]
Taxonomy
Packera paupercula taxonomically complex, with varying amounts of infraspecific taxa recognized by different authorities. No single classification to date has received wide acceptance.[1][5] The Royal Botanic Gardens, Kew currently recognizes the following varieties:[6][7]
- P. paupercula var. appalachiana - Restricted to the Appalachian Mountains
- P. paupercula var. paupercula - Widespread from Newfoundland to Alaska, south through the Rocky Mountains and Appalachians
- P. paupercula var. pseudotomentosa - Native to the Midwest, Upper South, and Ontario
- P. paupercula var. savannarum - Restricted to the upper Midwest
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Variety pseduotomentosa is identified by its permanent tomentose pubescence and stoloniferous growthVariety pseduotomentosa is identified by its permanent tomentose pubescence and stoloniferous growth
References
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- ↑ a b c Template:EFloras
- ↑ Packera paupercula. NatureServe. 2012.
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