Polemonium acutiflorum
Polemonium acutiflorum (7833466098).jpg
At Denali National Park and Preserve in Alaska
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Polemoniaceae
Genus: Polemonium
P. acutiflorum
Binomial name
Polemonium acutiflorum
Willd. ex Roem. & Schult.

Polemonium acutiflorum, known as tall Jacob's-ladder, is a flowering plant in the family Polemoniaceae. It is native to western Canada and Alaska.[2][3]


  1. ^ Maiz-Tome, L. (2016). "Polemonium acutiflorum". IUCN Red List of Threatened Species. 2016: e.T64321387A67730462. doi:10.2305/IUCN.UK.2016-1.RLTS.T64321387A67730462.en. Retrieved 18 November 2021.
  2. ^ Maiz-Tome, L. 2016. Polemonium acutiflorum. The IUCN Red List of Threatened Species 2016: e.T64321387A67730462. https://dx.doi.org/10.2305/IUCN.UK.2016-1.RLTS.T64321387A67730462.en. Downloaded on 30 March 2020.
  3. ^ "Polemonium acutiflorum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 9 October 2015.