Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Crepis > Crepis occidentalis

Crepis occidentalis (largeflower hawksbeard)

Synonyms: Crepis grandifolia (heterotypic); Crepis occidentalis typica; Crepis occidentalis var. occidentalis

Wikipedia Abstract

Crepis occidentalis is a North American species of flowering plant in the daisy family known by the common names western hawksbeard, or largeflower hawksbeard. It is native to western Canada (British Columbia, Alberta, Saskatchewan) and the western United States (from the Pacific to the western Great Plains).
View Wikipedia Record: Crepis occidentalis

Infraspecies

Crepis occidentalis conjuncta (largeflower hawksbeard)
Crepis occidentalis costata (largeflower hawksbeard)
Crepis occidentalis occidentalis
Crepis occidentalis pumila (largeflower hawksbeard)

Attributes

Bloom Period [1]  Late Spring
Drought Tolerance [1]  Medium
Fire Tolerance [1]  High
Frost Free Days [1]  3 months 20 days
Fruit/Seed Abundance [1]  Medium
Fruit/Seed Begin [1]  Spring
Fruit/Seed End [1]  Summer
Growth Form [1]  Single Crown
Growth Period [1]  Spring, Summer
Growth Rate [1]  Moderate
Leaf Type [1]  Deciduous
Lifespan [1]  Annual/Perennial
Propagation [1]  Seed
Regrowth Rate [1]  Rapid
Root Depth [1]  8 inches (20 cm)
Seed Spread Rate [1]  Moderate
Seed Vigor [1]  Medium
Seeds Per [1]  799998 / lb (1763696 / kg)
Shape/Orientation [1]  Prostrate
Structure [2]  Herb
Vegetative Spread Rate [1]  None
Flower Color [1]  Yellow
Foliage Color [1]  Green
Fruit Color [1]  Brown
Flower Conspicuous [1]  Yes
Height [1]  12 inches (0.3 m)
Hardiness Zone Minimum [1]  USDA Zone: 4 Low Temperature: -30 F° (-34.4 C°) → -20 F° (-28.9 C°)
Light Preference [1]  Full Sun
Soil Acidity [1]  Neutral
Soil Fertility [1]  Infertile
Water Use [1]  Low
Screening - Summer [1]  Porous
Screening - Winter [1]  Porous

Protected Areas

Ecosystems

Predators

Antilocapra americana (pronghorn)[3]
Brachylagus idahoensis (Pygmy Rabbit)[3]
Centrocercus urophasianus (Sage Grouse)[3]
Pogonomyrmex occidentalis (western harvester ant)[3]

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 3The Sagebrush Sea by Cornell Lab of Ornithology
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0