E-Flora BC: Electronic Atlas of the Flora of British Columbia

Castilleja ambigua var. ambigua Hook. & Arn.
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Castilleja ambigua var. ambigua
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Annual herb from a taproot; stems decumbent to ascending, 10-35 cm long/tall, simple or often branched, minutely to coarsely spreading-hairy.
Leaves:
Alternate, unstalked, lanceolate to oblong or egg-shaped, 1-5 cm long, entire below, pinnately 3- to 5-toothed or -lobed above, rough-short-hairy.
Flowers:
Inflorescence a dense, compact, prominently bracted, terminal spike 3-12 cm long, the bracts greenish tipped with white, yellow or pink, 14-22 mm long, oblong to egg-shaped, differing gradually from the leaves, becoming palmately cleft into 2 to 8, short, blunt or rounded lobes; corollas yellow with purple markings, 14-25 mm long, exceeding the bracts and calyces, tubular, club-shaped, 2-lipped, the upper lip beak-like, minutely hairy, straight, 4-5 mm long, the lower lip 3-4 mm long, somewhat inflated, 3-pouched, tipped with 3 erect, slender, purple teeth 1-3 mm long; calyces tubular, long-hairy, 12-20 mm long, 2-cleft, each segment 2-lobed, the lobes linear, shorter than the tube, coloured like the tips of the bracts; stamens 4.
Fruits:
Capsules, ellipsoid, 8-12 mm long; seeds several, 1-2 mm long, with tight-fitting netted coats.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet vernal sites, tidal marshes or open grassy brackish sites in the lowland zone; rare on S Vancouver Island; S to CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Castilleja ambigua var. ambigua

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

Minimum

Average

Maximum

Elevation (metres)
Slope Gradient (%) 15 15 15
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
200 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
Modal Nutrient Regime
Class
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in:

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References