Cardamine nuttallii Greene
slender toothwort (beautiful bitter-cress; Nuttall's toothwort; palmate toothwort)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
slender toothwort (beautiful bitter-cress; Nuttall's toothwort; palmate toothwort)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a short, slender, fleshy rhizome, less than 3 cm long and 1-3 (4) mm thick; stems erect, 20-30 cm tall, glabrous.
Leaves:
Basal leaves long-stalked, blades simple, orbicular to heart-shaped, shallowly round-toothed to lobed, sometimes deeply 3- or 5-lobed or compound with 3-5 (7) leaflets; stem leaves 1-3, grouped mostly above middle of stem, lobed, or compound with 3 or 5 lanceolate to egg-shaped-lanceolate, entire leaflets, 1-4 cm long.
Flowers:
Inflorescence a few-flowered racemes, without bracts; flowers stalks erect to ascending, 10-20 mm long; petals pink to reddish or purplish, 7-12 mm long; sepals 3-5 mm long.
Fruits:
Siliques, erect, 1.5-5 cm long, about 1.5 mm wide; styles slender, 3-6 mm long.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Cardamine nuttallii
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
| Site Information |
Value / Class |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
23 | 10 | 37 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 5 | 5 |
| Modal
Nutrient Regime
Class |
E | ||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist woods and bottom lands in the lowland zone; common in SW BC, known from S Vancouver Island, the Gulf Islands and adjacent mainland of BC; S to N CA.Status Information
Synonyms
Synonyms and Alternate Names:
Cardamine nuttallii var. nuttallii Greene
Cardamine nuttallii var. pulcherrima (Greene) Taylor & MacBryde
Dentaria tenella Pursh
Dentaria tenella var. pulcherrima (Greene) Detling