Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium Read more about this collection »

LeavesBasal leaves toothed margins; divided into leaflets (pinnate); grey-green in colour; hairy; upper leaves sessile; lance-shaped; margin entire or toothed (Moss, 1983). Basal leaves in rosette; 1.5-8 cm long; absent when flowering; stem leaves alternate; smaller and simpler (Johnson et al., 1995). FlowersUnbranched, elongated inflorescence; mature bottom upwards (raceme); numerous racemes; 5-15 cm long; dense flowers; sepals 1 mm long; petals shorter than sepals or no petals present (Moss, 1983). White (Johnson et al., 1995). Fruits and SeedsPods 2-3.5 mm long; egg-shaped; hairless or slightly hairy; rounded at winged tip (Moss, 1983). 2 seeds per pod (Johnson et al., 1995). No beak (E-Flora BC).

Scientific Name Lepidium densiflorum Schrad. Common Name common pepper-grass, prairie pepper-grass (Johnson et al., 1995). General Description An annual or winter annual plant with one erect stem, branched, grey-green with short hairs that grown to a height ot 20-50 cm tall; bears small white flowers (Moss, 1983). Leaves

Basal leaves toothed margins; divided into leaflets (pinnate); grey-green in colour; hairy; upper leaves sessile; lance-shaped; margin entire or toothed (Moss, 1983). Basal leaves in rosette; 1.5-8 cm long; absent when…

Flowers

Unbranched, elongated inflorescence; mature bottom upwards (raceme); numerous racemes; 5-15 cm long; dense flowers; sepals 1 mm long; petals shorter than sepals or no petals present (Moss, 1983). White (Johnson et al., 1995).

Fruits and Seeds Pods 2-3.5 mm long; egg-shaped; hairless or slightly hairy; rounded at winged tip (Moss, 1983). 2 seeds per pod (Johnson et al., 1995). No beak (E-Flora BC). Phenology May to July (JSTOR). Notes

2n=32 (Moss, 1983). Also known as Lepidium densiflorum var. densiflorum and Lepidium densiflorum var. macrocarpu (this species has larger fruits at 3-3.5 mm long) (Moss, 1983). Pepper-grasses have been eaten; they have been added to salads, sandwiches and hors-d'oeuvres to add zest (Johnson et al., 1995). It has been added to soups, sauces and casseroles; pods and seeds have a stronger taste; seeds can be dried for later use; good source vitamins and minerals; vitamin C levels used to prevent scurvy (Johnson et al., 1995).

Range/Distribution

Alberta: Predominantly southern half of province (Canadensys). CAN (BC, YT, NT, SK, MB, ON, QC, NB, NS, PE, NL); USA (AK, WA, OR, CA, MT, ID, AZ, ND, SD, NE, KS, CO, NM, OK, TX, MN, IA, WI, KY, TN, MS, AL, LA, FL, SC,…

Page Citation

"Species Details - Lepidium densiflorum Schrad., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-4789/12-16819. Accessed 01 Apr. 2025.

43 results plotted on map in 40 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

110348 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Medicine Hat Date Collected1978-06-15

108437 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Head-Smashed-in Buffalo Jump Date Collected1982-08-10

105374 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Manitoba, Riding Mountain National Park Date Collected1979-07-04

105854 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Suffield Training Area Date Collected1995-06-14

40344 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, North Wabasca Lake Date Collected1968-08-19

38950 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Crimson Lake Provincial Park Date Collected1968-08-28

28745 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Cline River Date Collected1968-08-29

38723 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Calling Lake Date Collected1968-08-23

46377 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Kinsella Date Collected1972-07-11

26399 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Cold Lake, French Bay Date Collected1968-07-15

45824 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park Date Collected1970-07-22

54567 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Brooks Date Collected1971-05-31

42200 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Lakeland Provincial Recreation Area Date Collected1968-07-24

23279 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Long Lake Provincial Park Date Collected1967-07-25

101565 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, RB Miller Biological Station Date Collected1961-08-08

9835 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Alberta, Fitzgerald Date Collected1950-06-18

73144 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Saskatchewan, Birsay Date Collected1960-06-13

22713 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Manitoba, Winnipeg Date Collected1959-07-11

39526 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Saskatchewan, South Saskatchewan River Date Collected1971-06-28

9828 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, Manitoba, Wekusko Lake Date Collected1949-08-07/1949-08-13

55053 - Lepidium densiflorum Schrad.

University of Alberta Vascular Plant Herbarium

Common Namecommon pepper-grass, prairie pepper-grass (Johnson et al., 1995). Place CollectedNorth America: Canada, British Columbia, Cathedral Park Date Collected1975-07-09

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