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Species Details
Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesBasal leaves egg to lance-shaped; sessile; hairless; 1-6 cm long; margin entire or slightly toothed (Moss, 1983).
FlowersSepals 3-5 mm long; petals white to pink or purple; 5-9 mm long (Moss, 1983).
Fruits and SeedsDehiscent pod (silique) erect; crowded; hairless; 4-8 cm long; 1.5-3 mm wide; seeds in two rows; egg-shaped; winged on distal end (Moss, 1983).
Scientific Name
Arabis drummondii A. Gray
Common Name
Drummond's rock cress (Johnson et al., 1995).
General Description
A biennial or perennial species with one to few stems, hairless to sparingly hairy, 10-70 cm tall; bears white to pink/purple flowers (Moss, 1983).
Leaves
Basal leaves egg to lance-shaped; sessile; hairless; 1-6 cm long; margin entire or slightly toothed (Moss, 1983).
Flowers
Sepals 3-5 mm long; petals white to pink or purple; 5-9 mm long (Moss, 1983).
Fruits and Seeds
Dehiscent pod (silique) erect; crowded; hairless; 4-8 cm long; 1.5-3 mm wide; seeds in two rows; egg-shaped; winged on distal end (Moss, 1983).
Phenology
May to August (JSTOR).
Notes
2n=14*, 20 (Moss, 1983). Also known as Boechera stricta (E-Flora BC).
Similar species:
Arabis divaricarpa: purple rock cress; has narrower pods and only 1 row of seeds (Johnson et al., 1995).
Range/Distribution
Alberta: SW along mountain range (Canadensys). CAN (BC, SK, MB, ON, QC, NL, NB, NS, YT, NT); USA (AK, WA, OR, CA, NV, ID, MT, WY, UT, CO, AZ, NM, ND, SD, NE, MN, IA, WI, MI, IL, IN, OH, NY, DE, NJ, CT, MA, RI, VT, ME,…
Alberta: SW along mountain range (Canadensys). CAN (BC, SK, MB, ON, QC, NL, NB, NS, YT, NT); USA (AK, WA, OR, CA, NV, ID, MT, WY, UT, CO, AZ, NM, ND, SD, NE, MN, IA, WI, MI, IL, IN, OH, NY, DE, NJ, CT, MA, RI, VT, ME, NH) (USDA).
Citation
Page Citation for Arabis drummondii A. Gray
Page Citation
"Species Details - Arabis drummondii A. Gray, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-7923/12-16714. Accessed 11 Dec. 2024.
Specimen Information
There are 79 specimens of this Species.
112773 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Kananaskis Country, Peter Lougheed Provincial Park, Storm Creek
Date Collected1973-07-15
112944 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Mountain Park
Date Collected1987-06-07
112943 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Yukon, Kluane Lake
Date Collected1987-07-06
112942 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Mountain Park
Date Collected1987-06-07
112941 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Watson Creek Provincial Recreation Area
Date Collected1987-06-02
113746 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Cardinal River
Date Collected1979-06-30
115658 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Willmore Wilderness Park, Cote Creek
Date Collected1976-08-04
117892 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Lovett Lookout Tower
Date Collected1987-06-06
119913 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Weldwood Forest Management Area
Date Collected1965-06-18
29803 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Northwest Territories, Etacho Point
Date Collected1949-07-11/1949-07-21
77918 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Northwest Territories, East Mountain
Date Collected1972-07-19
124030 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Kakwa Wildland Provincial Park, Sulfur Ridge
Date Collected2006-07-18
125629 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Police Outpost
Date Collected2007-08-14
125257 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Whitehorse Wildland Park, Grave Flats
Date Collected1979-07-26
125265 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Plateau Mountain Ecological Reserve, Plateau Mountain
Date Collected1982-07-22
125258 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Plateau Mountain Ecological Reserve, Plateau Mountain
Date Collected1979-08-20
125267 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Plateau Mountain Ecological Reserve, Plateau Mountain
Date Collected1979-08-20
125263 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Plateau Mountain Ecological Reserve, Plateau Mountain
Date Collected1981-07-21
125262 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Beehive Ecological Reserve
Date Collected1981-07-18
125259 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Beehive Ecological Reserve, Beehive Mountain
Date Collected1980-07-04
125264 - Arabis drummondii A. Gray
University of Alberta Vascular Plant Herbarium
Common NameDrummond's rock cress (Johnson et al., 1995).
Place CollectedNorth America: Canada, Alberta, Beehive Ecological Reserve
Date Collected1981-06-26