western dogbane
Apocynaceae (Dogbane family)
Introduction to Vascular Plants
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
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) |
860 | 860 | 860 |
| Slope
Gradient (%) |
32 | 32 | 32 |
|
Aspect (degrees) |
239 | 240 | 240 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 6 | 6 |
| Modal
Nutrient Regime
Class |
E | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Status Information
Synonyms
Synonyms and Alternate Names:
x Apocynum
Taxonomic Keys
1. Corollas greenish-white to white, 2-4.5 mm long, usually less than twice as long as the calyces; leaves ascending................. A. cannabinum
1. Corollas pinkish, 3.5-10 mm long, usually more than twice as long as the calyces; leaves spreading to drooping. 2. Calyces usually at least half as long as the corollas, lobes abruptly sharp-pointed to long-pointed ............................x A. floribundum 2. Calyces usually less than half as long as the corollas, lobes obtuse .....................A. androsaemifolium |