Polemonium viscosum Nutt.
sky pilot (skunk Jacob's-ladder; skunk polemonium; sticky Jacob's-ladder; sticky polemonium)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants

Photograph

© Alan S. Tracey     (Photo ID #5479)


Map

E-Flora BC Static Map

Distribution of Polemonium viscosum
Click here to view the full interactive map and legend

Species Information

General:
Low, often dwarfed, perennial herb from a branched stem-base and stout taproot; plant densely glandular-hairy or stalked-glandular, strongly skunky-smelling; stems several, erect, 10-30 cm tall.
Leaves:
Mostly basal, up to 15 cm long including the short stalks, with expanded persistent papery bases; leaflets numerous, crowded, cleft almost to the base into 2 to 5 elliptic to spoon-shaped lobes and so appearing whorled, each segment 1.5-6 mm long, 1-3 mm wide.
Flowers:
Inflorescences dense head-like clusters of short-stalked, sweet-scented flowers; corollas blue-purple, funnel-shaped, 17-25 (30) mm long, the 5 rounded lobes shorter than the tube; calyces 7-12 mm long, with 5 lanceolate lobes; stamens shorter than to sometimes equal to the corolla.
Fruits:
Capsules, 3-chambered.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Polemonium viscosum

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)
2361 2280 2562
Slope Gradient (%)
49 26 82

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

162 95 277
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
Modal Nutrient Regime
Class
B
# of field plots
 species was recorded in:
6
Modal BEC Zone Class
AT

All BEC Zones (# of stations/zone) species was recorded in

AT(5), ESSF(1)

Habitat and Range

Dry rocky ridges and slopes in the upper subalpine and alpine zones; infrequent in the Coast-Cascade Mountains S of 51degreeN, rare in extreme SE BC; E to SW AB and S to NM, NV and NE OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Polemonium confertum A. Gray
Polemonium viscosum subsp. genuinum Wherry
Polemonium viscosum subsp. lemmonii (Brand) Wherry