Collomia linearis Nutt.
narrow-leaved collomia (tiny trumpet)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants


© Virginia Skilton     (Photo ID #13929)


E-Flora BC Static Map

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

Species Information

Annual herb from a taproot; stems erect, unbranched or branched above in robust plants, finely hairy below but long-hairy and glandular above, 10-60 cm tall.
Alternate, numerous, linear or lanceolate, 1-5 cm long, 1-10 mm wide, generally hairless above, glaucous and minutely hairy and slightly glandular below, unstalked, entire; uppermost leaves (below the flower clusters) wider than the rest and often pale at the base.
Inflorescence of 1 to several, terminal, head-like clusters of 7-20 unstalked flowers; corollas pink, bluish or white, the slender, trumpet-shaped tube 8-15 mm long, spreading to five short (1.5-3 mm) lobes; calyces 4-7 mm long, the five narrowly triangular lobes 1.5-3 mm long during flowering but elongating to 3-4 mm in fruit; pollen generally white.
Capsules, with 1-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 linearis

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)
946 318 1807
Slope Gradient (%)
33 0 90

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

192 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 5
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

BG(30), BWBS(1), ESSF(12), ICH(32), IDF(77), MS(24), PP(37), SBPS(1), SBS(5)

Habitat and Range

Dry to moist open grasslands, clearings, old fields, roadsides, and other disturbed sites in the lowland, steppe, and montane zones; common in S BC, less so northward where possibly introduced in some localities; N to AK, YT and NT, E to NB and NS and S to NE, WI, NM and CA.

SourceThe Illustrated Flora of British Columbia