Valeriana scouleri Rydb.
Scouler's valerian
Caprifoliaceae (Valerian family)
(Previously in Valerianaceae)
Introduction to Vascular Plants
Scouler's valerian
Caprifoliaceae (Valerian family)
(Previously in Valerianaceae)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a stout rhizome or branched stem-base with fibrous roots; stems ascending to erect, solitary, simple, smooth except hairy at the nodes, 15-70 cm tall.
Leaves:
Basal leaves spoon-shaped or pinnately cleft with 1-2 pairs of lateral segments up to 3 cm long and 1.5 cm wide, enlarged terminal segment up to 8 cm long and 4 cm wide, leaves stalked; stem leaves few, smaller, opposite, entire or slightly toothed, 2-4 pairs, short-stalked.
Flowers:
Inflorescence a compact, flat-topped cluster with usually male/female flowers; corollas white or pink, 5-9 mm long, lobed, the lobes 1/2 as long as the tube; calyces with 12-18 feathery segments; stamens well exserted.
Fruits:
Achenes, lanceolate to more oblong or linear, 5-6 mm long, 1-2 mm wide, smooth.
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 Valeriana scouleri
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) |
1071 | 565 | 2140 |
| Slope
Gradient (%) |
35 | 0 | 90 |
|
Aspect (degrees) |
265 | 236 | 290 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 2 | 4 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
4 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(3), ESSF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Wet to moist woodlands, streamsides, cliffs and meadows in the lowland, steppe and montane zones; infrequent in SW BC south of 51degreeN, rare eastward; E to SW AB and S to NW CA.Status Information
Synonyms
Synonyms and Alternate Names:
Valeriana sitchensis subsp. scouleri (Rydb.) F.G. Mey.
Valeriana sitchensis var. scouleri (Rydb.) M.E. Jones