Pinus ponderosa Lawson & C. Lawson var. ponderosa
ponderosa pine
Pinaceae (Pine family)
Introduction to Vascular Plants
ponderosa pine
Pinaceae (Pine family)
Introduction to Vascular Plants
Photograph
Map
Distribution of Pinus ponderosa var. ponderosa
Click here to view the full interactive map and legend
Species Information
General:
Tree to 40-50 m tall; bark thick, deeply furrowed, dark reddish-brown or blackish when young, changing to cinnamon red when older and exfoliating as irregular scales.
Leaves:
Needles mostly in threes, often twos, occasionally fours or fives, (10) 12-20 (25) cm long, clustered towards branch ends; yellowish-green.
Cones:
Seed cones near branch tips, deep reddish-purple when young, maturing late in second year, turning brown; egg-shaped, 8-14 cm long; scales brown with thickened, yellowish, prickly tip; pollen cones yellow to purplish, strongly clustered.
Ecology
Ecological Framework for Pinus ponderosa var. ponderosa
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) |
781 | 220 | 1896 |
| Slope
Gradient (%) |
31 | 0 | 244 |
|
Aspect (degrees) |
199 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
1818 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(154), ESSF(10), ICH(162), IDF(863), MS(34), PP(540) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry slopes, river terraces and flats in the steppe and montane zones; common in SC and SE BC; S to CA, NM, TX, NE, and SD.Status Information
| Scientific Name | Origin Status | Provincial Status | BC List (Red Blue List) | COSEWIC |
|---|---|---|---|---|
| Pinus ponderosa var. ponderosa | Native | S4S5 (2020) | Yellow | Not Listed |
| Pinus ponderosa var. scopulorum | Native | SU (2020) | Unknown | Not Listed |
BC Ministry of Environment: BC Species and Ecosystems Explorer.
Synonyms
Synonyms and Alternate Names:
Pinus beardsleyi A. Murray
Pinus benthamiana Hartw.
Pinus brachyptera Engelm.