Biology:Packera paupercula

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Short description: Species of flowering plant

Packera paupercula
Packera paupercula.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Packera
Species:
P. paupercula
Binomial name
Packera paupercula
(Michx.) Á.Löve & D.Löve
Synonyms[1]
  • Senecio pauperculus Michaux
  • Senecio balsamitae Muhlenberg ex Willdenow
  • Senecio crawfordii Britton
  • Senecio flavovirens Rydberg
  • Senecio gaspensis Greenman
  • Senecio multnomensis Greenman
  • Senecio tweedyi Rydberg

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 1–3 feet (0.30–0.91 metres) 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

References

External links

Wikidata ☰ Q7122974 entry