Collomia heterophylla Douglas ex Hook.
vari-leaved collomia (variableleaf collomia)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants


© Jeanne Ross     (Photo ID #10934)


E-Flora BC Static Map

Distribution of Collomia heterophylla
Click here to view the full interactive map and legend

Species Information

Annual or biennial herb from a taproot; stems ascending to erect, simple or much-branched with several stems from the base, slimy-hairy especially above, 5-40 cm tall.
Alternate, mostly stalked, usually hairy and slightly glandular; lower leaves 1-2 times pinnately cleft, the blades to 3.5 cm long and 2 cm wide; middle and upper leaves progressively less divided upwards, the uppermost leaves (below the flower clusters) smaller than the others, nearly unstalked, elliptic, merely toothed or entire.
Inflorescence of dense, head-like, terminal (and sometimes axillary) clusters; corollas pink, lavender or white, the slightly flaring tube 8-17 mm long, spreading to five, 3- 4 mm long lobes; calyces 5-8 mm long, the five lobes narrowly lanceolate.
Capsules, with 2- or 3-seeded chambers; seeds becoming sticky when moistened.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Collomia heterophylla

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




Elevation (metres)
299 130 536
Slope Gradient (%)
22 0 70

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

155 112 337
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 0 2
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

CDF(1), CWH(9)

Habitat and Range

Mesic forest openings, sandy or gravelly clearings, and streambanks in the lowland zone; locally frequent on S Vancouver Island, infrequent on the adjacent coast and lower Fraser Valley; S to ID, WY, AZ and CA.

SourceThe Illustrated Flora of British Columbia