Cymopterus humilis, synonym Oreoxis humilis,[1] is a rare species of flowering plant in the carrot family known by the common name Rocky Mountain alpineparsley. 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]

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

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]

References

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  1. ^ a b c "Cymopterus humilis (Raf.) Tidestr." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-12-25.
  2. ^ a b c Oreoxis humilis. The Nature Conservancy.
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