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Species Details
Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesLance-shaped leaves; margins entire or toothed; bifid hairs (Moss, 1983). Rosette at base (Johnson et al., 1995). 1.5-8 cm long, 2-6 mm wide; become unstalked upwards (E-Flora BC).
FlowersThick stalks with enlarged tips; petals pale yellow; 2.5-3 mm long (Moss, 1983). Unbranched, elongated inflorescence; matures bottom upwards (raceme); stalks 3-8 mm long; sepals often purplish, 4-6 mm long (E-Flora BC).
Fruits and SeedsDry dehiscent pod (silique); erect; 2-5 cm long; 1 mm thick (Moss, 1983). Densely hairy; beaks thick; seeds egg-shaped; 1.5-2 mm long; wingless (E-Flora BC).
Scientific Name
Erysimum inconspicuum (S. Wats.) MacMill.
Common Name
small-flowered rocket (Moss, 1983).
General Description
A perennial herb with stiff, simple or branched, grey-hairy stem that grown 30-60 cm tall; flowers are pale yellow (Johnson et al., 1995).
Leaves
Lance-shaped leaves; margins entire or toothed; bifid hairs (Moss, 1983). Rosette at base (Johnson et al., 1995). 1.5-8 cm long, 2-6 mm wide; become unstalked upwards (E-Flora BC).
Flowers
Thick stalks with enlarged tips; petals pale yellow; 2.5-3 mm long (Moss, 1983). Unbranched, elongated inflorescence; matures bottom upwards (raceme); stalks 3-8 mm long; sepals often purplish, 4-6 mm long (E-Flora BC).
Fruits and Seeds
Dry dehiscent pod (silique); erect; 2-5 cm long; 1 mm thick (Moss, 1983). Densely hairy; beaks thick; seeds egg-shaped; 1.5-2 mm long; wingless (E-Flora BC).
Phenology
April to August (JSTOR).
Notes
2n=54, 81* (Moss, 1983).
Range/Distribution
Alberta: Predominantly southern half of province (Canadensys). CAN (BC, MB, NB, NS, SK, NT, ON, QC, YT); USA (AK, WA, OR, NV, MT, ID, UT, AR, WY, ND, SD, CO, NM, NE, KS, MN, IA, MO, WI, IL, MI, IN, OH, MD, PA, NY, MA,…
Alberta: Predominantly southern half of province (Canadensys). CAN (BC, MB, NB, NS, SK, NT, ON, QC, YT); USA (AK, WA, OR, NV, MT, ID, UT, AR, WY, ND, SD, CO, NM, NE, KS, MN, IA, MO, WI, IL, MI, IN, OH, MD, PA, NY, MA, NH, ME) (USDA).
Citation
Page Citation for Erysimum inconspicuum (S. Wats.) MacMill.
Page Citation
"Species Details - Erysimum inconspicuum (S. Wats.) MacMill., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-4784/12-102384. Accessed 22 Aug. 2025.
Specimen Information
There are 125 specimens of this Species.
111078 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Medicine Hat
Date Collected1978-06-16
114299 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Jasper National Park
Date Collected2005-06-24
118387 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Kootenay Plains Ecological Reserve, Two O'Clock Creek
Date Collected2007-07-10
53240 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Northwest Territories, Heart Lake
Date Collected1973-07
41263 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Northwest Territories, Tuktoyaktuk
Date Collected1971-07-04
30212 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Northwest Territories, Etacho Point
Date Collected1928-08-24
29811 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Northwest Territories, Etacho Point
Date Collected1949-07-11/19949-07-21
77706 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Northwest Territories, East Mountain
Date Collected1972-07-19
122064 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Mount Stelfox
Date Collected2009-07-21
125421 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Claresholm
Date Collected1965-07-01
125422 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Claresholm
Date Collected1965-07-01
125423 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Claresholm
Date Collected1965-07-01
125424 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Erin Lodge
Date Collected1979-07-12
125425 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Erin Lodge
Date Collected1979-07-12
125426 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Erin Lodge
Date Collected1979-07-12
125427 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Worsley
Date Collected1979-07-26
125428 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Kootenay Plains
Date Collected1981-07-28
125429 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Turin Dunes Natural Area
Date Collected1988-07-20
127855 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Manitoba, Agassiz Provincial Forest
Date Collected1984-07-01
128537 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Blakiston Creek
Date Collected1972-07-13
128849 - Erysimum inconspicuum (S. Wats.) MacMill.
University of Alberta Vascular Plant Herbarium
Common Namesmall-flowered rocket (Moss, 1983).
Place CollectedNorth America: Canada, British Columbia, Imperial Ridge
Date Collected1982-07-03