Buddleja davidii Franch.
butterfly-bush (orange eye butterflybush)
Scrophulariaceae (Butterfly-bush family)
(Previously in Buddlejaceae)
Introduction to Vascular Plants
butterfly-bush (orange eye butterflybush)
Scrophulariaceae (Butterfly-bush family)
(Previously in Buddlejaceae)
Introduction to Vascular Plants
Species Information
General:
Deciduous shrub 1-5 m tall; branches hairy with hairs radiating in a starshape.
Leaves:
Opposite, egg-shaped to lanceolate, 3-25 cm long, saw-toothed to more or less entire, grey woolly-hairy beneath, green above.
Flowers:
Inflorescence a large, terminal, branched raceme 15-25 cm long; corollas narrowly tubular below then spreading to 4 lobes, 7-9 mm wide, purplish with an orange eye.
Fruits:
Sharp-pointed, 2-segmented capsules, 5-8 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 Buddleja davidii
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) |
|||
| Slope
Gradient (%) |
|||
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
|||
| Modal
Nutrient Regime
Class |
|||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
|||
|
All BEC Zones (# of stations/zone) species was recorded in |
|||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry disturbed areas and rocky slopes in the lowland zone; frequent in SW BC, known from SE Vancouver Island and the lower Fraser Valley; introduced from China.Status Information
| Origin Status | Provincial Status | BC List (Red Blue List) | COSEWIC |
|---|---|---|---|
| Exotic | SNA (2019) | Exotic | Not Listed |
BC Ministry of Environment: BC Species and Ecosystems Explorer.