Cymopterus humilis

Cymopterus humilis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Oreoxis
Species:	O. humilis
Binomial name
Oreoxis humilis Raf.
Synonyms [1]
Cymopterus humilis (Raf.) Tidestr.

Oreoxis humilis, is a rare species of flowering plant in the parsley family known by the common name Pikes Peak spring-parsley. It is endemic to Colorado in the United States, where it is known only from the vicinity of Pikes Peak. There are three occurrences, for a total population of about 4240 individuals. ^[2]

This perennial herb grows about 12 centimeters tall and blooms in yellow flowers during the summer. It grows on granite substrates above the tree line. ^[2]

The plant is threatened by construction and maintenance on the Pikes Peak Highway. ^[2]

Taxonomy

Oreoxis humilis was scientifically named by Constantine Samuel Rafinesque in 1830. ^[1] It is one of just two accepted species in the genus Oreoxis , also named by Rafinesque. The genus is classified as part of the family Apiaceae. ^[3] It has just one synonym, Cymopterus humilis, created when Ivar Tidestrom move the species to Cymopterus in 1941. It has no subspecies. ^[1]

Names

Oreoxis humilis is known by the common names Pikes Peak spring-parsley and alpine parsley. ^{[2] [4]}

References

1. "Oreoxis humilis Raf". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 11 October 2025.
2. Oreoxis humilis. The Nature Conservancy.
3. "Oreoxis Raf". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 11 October 2025.
4. Duft, Joseph F. (1989). Alpine Wildflowers of the Rocky Mountains. Missoula, Montana: Mountain Press. ISBN   978-0-87842-238-8 . Retrieved 11 October 2025.

External links

• USDA Plants Profile