Petrophytum

Petrophytum caespitosum

Taxonavigation

Taxonavigation: Rosales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids I Ordo: Rosales

Familia: Rosaceae
Subfamilia: Amygdaloideae
Tribus: Spiraeeae
Genus: Petrophytum
Species: P. caespitosum – P. cinerascens – P. hendersonii

Name

Petrophytum (Nutt.) Rydb., Mem. New York Bot. Gard. 1: 206 (1900). (as 'Petrophyton')

Synonyms

• Basionym
  • Spiraea [infragen.unranked] Petrophytum Nutt., Fl. N. Amer. (Torr. & A. Gray) 1(3): 418 (1840).
    • Type species: Spiraea caespitosa Nutt.
• Homotypic
  • Petrophyton Rydb., Mem. New York Bot. Gard. 1: 206 (1900) (orth. var.)

References

Primary references

• Rydberg, P.A. 1900. Catalogue of the Flora of Montana and the Yellowstone National Park. Memoirs of The New York Botanical Garden 1: 1–492. BHL Reference page. 
• Torrey, J. & Gray, A. 1838–1840. A Flora of North America containing abridged Descriptions of all the known indigenous and naturalized Plants growing North of Mexico; arranged according to the Natural System, Vol. 1. 740 pp. Wiley & Putnam, New-York. BHL Reference page. 

Links

• Govaerts, R. et al. 2025. Petrophytum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Mar. 18. Reference page. 
• International Plant Names Index. 2025. Petrophytum. Published online. Accessed: 18. Mar. 2025. Reference page.

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