Polemonium foliosissimum
In bloom
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Polemoniaceae
Genus: Polemonium
Species:
P. foliosissimum
Binomial name
Polemonium foliosissimum
Synonyms[1]
List
    • Polemonium albiflorum Eastw.
    • Polemonium archibaldiae A.Nelson
    • Polemonium decurrens Brand
    • Polemonium filicinum var. archibaldiae (A.Nelson) Brand
    • Polemonium foliosissimum subsp. albiflorum (Eastw.) Brand
    • Polemonium foliosissimum f. alpinum (Brand) Wherry
    • Polemonium foliosissimum subsp. archibaldiae (A.Nelson) Wherry
    • Polemonium foliosissimum subsp. decurrens (Brand) Wherry
    • Polemonium foliosissimum f. molle (Greene) Wherry
    • Polemonium foliosissimum subsp. robustum (Rydb.) Brand
    • Polemonium foliosissimum subsp. verum Wherry
    • Polemonium grande Greene
    • Polemonium molle Greene
    • Polemonium pterospermum A.Nelson & Cockerell
    • Polemonium robustum Rydb.

Polemonium foliosissimum, the towering Jacob's-ladder, is a rare species of flowering plant in the phlox family Polemoniaceae, native to the western United States; Arizona, Colorado, Idaho, Nevada, New Mexico, Utah and Wyoming.[2][1][3] As its synonym Polemonium archibaldiae it has gained the Royal Horticultural Society's Award of Garden Merit.[4]

Subtaxa

The following varieties are accepted:[1]

  • Polemonium foliosissimum var. alpinum Brand - Idaho, Nevada, Utah, Wyoming
  • Polemonium foliosissimum var. foliosissimum - Arizona, Colorado, New Mexico, Utah

References

  1. 1 2 3 "Polemonium foliosissimum A.Gray". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 19 May 2021.
  2. โ†‘ USDA, NRCS (n.d.). "Polemonium foliosissimum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 20 July 2016.
  3. โ†‘ "Polemonium foliosissimum". Tropicos. Retrieved 2012-05-08.
  4. โ†‘ "Polemonium archibaldiae". The Royal Horticultural Society. 2021. Retrieved 19 May 2021.


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