Polypodium hesperium Maxon
western polypody
Polypodiaceae (Polypody family)
Introduction to Vascular Plants
western polypody
Polypodiaceae (Polypody family)
Introduction to Vascular Plants
Species Information
General:
Evergreen perennial from a long creeping scaly rhizome.
Leaves:
Lanceolate, 5-25 cm long, 1-5 cm wide, pinnately cleft with elongated segments, the segments entire or slightly toothed; rachis with a few scattered hairs at the upper side, close to the leaf tip.
Notes:
This is an allotetraploid species that originated from a hybrid of P. amorphum and P. glycyrrhiza.
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 Polypodium hesperium
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) |
551 | 5 | 1360 |
| Slope
Gradient (%) |
52 | 0 | 170 |
|
Aspect (degrees) |
184 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 7 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
73 | ||
| Modal
BEC Zone Class |
ICH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(24), ESSF(1), ICH(28), IDF(12), MH(1), MS(2), PP(3) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry to mesic rocks from the lowland and steppe to subalpine zones; infrequent throughout BC south of 56degreeN; E to W AB and S to CO, NM, AZ and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Polypodium vulgare subsp. columbianum (Gilbert) HultTn
Polypodium vulgare var. columbianum Gilbert
Polypodium vulgare var. hesperium (Maxon) A. Nels. & J.F. Macbr.