Castilleja occidentalis

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Castilleja
Species:
C. occidentalis
Binomial name
Castilleja occidentalis

Castilleja occidentalis is a member of the genus Castilleja (paintbrush), commonly referred to as western Indian paintbrush. Like other members, it is a hemi-parasite.

Distribution

This species has a wide distribution, from the Rocky Mountains north to BC, Alberta and Montana (Glacier National Park) and south to Utah and New Mexico (but not known in Wyoming or Idaho)[1]

Habitat

The western paintbrush occurs in areas above[1] and below the treeline. It is found in dry places, favoring rocky soils and talus slopes. It has thin, lanceolate leaves (with occasionally lobed upper leaves) borne on woody stems. The bracts are pale yellow to nearly white. Along with the plants' habitat, this coloration aids identification.[2]

However, this paintbrush often occurs in fragile wet meadows, where it is vulnerable to trampling. Further, coloration can vary to red and purple with all colors between.[1]

Associated plants

The western paintbrush is often associated with tufted hairgrass (Deschampsia caespitosa), golden avens (Geum rossii), and Bellard kobresia (Kobresia myosuroides)

References

  1. 1 2 3 "Castilleja occidentalis". 13 January 2010. Archived from the original on 13 January 2010. Retrieved 29 July 2018.
  2. ↑ "Scroph1". Larkspurbooks.com. Retrieved 29 July 2018.
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