bio.wikisort.org - Plant

Search / Calendar

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]

Packera paupercula
Conservation status

Secure  (NatureServe)
Scientific classification
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

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]


References


  1. Trock, Debra K. (2006). "Packera paupercula". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford. Retrieved 2008-05-22 via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  2. Packera paupercula. NatureServe. 2012.
  3. "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2022-07-17.
  4. "Packera paupercula in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2022-07-17.
  5. Weakley, Alan (2015). "Flora of the Southern and Mid-Atlantic States".
  6. "Hylodesmum". plantsoftheworldonline.org. Royal Botanical Gardens, Kew. Retrieved 2019-09-02.
  7. Mahoney, Alison; Kowal, Robert (1 May 2008). "Three New Varieties of Packera paupercula (Asteraceae, Senecioneae) in Midwestern and Southeastern North America". Novon: A Journal for Botanical Nomenclature. 18 (2): 220–228. doi:10.3417/2006016. S2CID 85845219. Retrieved 2 September 2019.





Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.

Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.

2019-2025
WikiSort.org - проект по пересортировке и дополнению контента Википедии