Plagiobothrys tenellus (Nutt. ex Hook.) A. Gray
slender popcornflower (Pacific popcornflower)
Boraginaceae (Borage family)

Introduction to Vascular Plants


© Hans Roemer     (Photo ID #10693)


E-Flora BC Static Map

Distribution of Plagiobothrys tenellus
Click here to view the full interactive map and legend

Species Information

Annual herb from a taproot; stems several, simple or few-branched, erect to ascending, 5-25 cm tall, spreading-hairy and often also with backward-pointing, appressed hairs.
Basal leaves in a peristent rosette, 0.7-4 cm long, 2-8 mm wide; stem leaves few, lanceolate, usually smaller than basal leaves, spreading-hairy, entire, alternate.
Inflorescence terminal, coiled, narrow, elongating, sometimes paired clusters (racemes); flowers small; petals fused at the base into a tube that flares (2-4 mm wide) at top to 5 lobes, with 5 bulges at the throat; fruiting calyces 3-5 mm long, ascending-hairy.
Nutlets usually 4, cross-shaped, 1.5-2.5 mm long, warty in rows.

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 Plagiobothrys tenellus

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)
Slope Gradient (%)
90 90 90

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

200 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 1
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

Habitat and Range

Mesic to dry meadows and coastal bluffs in the lowland zone; rare on S Vancouver Island and the Gulf Islands; S to ID, UT and Baja CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Plagiobothrys asper Greene