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

Delphinium menziesii DC.
Menzies' Larkspur
Ranunculaceae (Buttercup family)

Introduction to Vascular Plants

© Jeremy Gatten  Email the photographer   (Photo ID #9360)

E-Flora BC Static Map
Distribution of Delphinium menziesii
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.

SUBTAXA PRESENT IN BC
Delphinium menziesii ssp. menziesii

Species Information

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



General:
Perennial herb from tuberous roots; stems slender, erect, simple or branched above, 35-70 cm tall, minutely-hairy, sometimes glandular, bases often reddish.
Leaves:
At time of flowering the basal leaves none to 4 and stem leaves 3 to 7, alternate, stalks 0.5-11 cm long, blades round, 1.5-5 cm long, 3-9 cm wide, reduced upward, palmately divided, the leaflets incised into narrowly oblong to linear segments, the ultimate segments 5 to 18 and 2-15 mm wide on basal leaves, 1-10 mm wide on stem leaves, entire, minutely-hairy.
Flowers:
Inflorescence a 3- to 15-flowered, terminal raceme, the flowers bilaterally symmetric; bracts linear, green to bluish, 4-6 mm long, minutely-hairy; flower stalks ascending, 1.5-4 cm long, minutely-hairy, sometimes glandular; petals 4, the upper 2 united, pale blue to white, spurred, enclosed in upper sepal, nectary inside spur, the lower petals 2, blue, mostly covering stamens, clawed, 8-12 mm long, shallowly notched at tip, the hairs white or blue, sparse, mostly near junction of blade and claw; sepals 5, blue to purple, minutely-hairy, the lateral two spreading, 13-20 mm long, 5-11mm wide, the lower two similar to lateral, the upper one spurred, the spur straight, 11-17 mm long; pistils 3.
Fruits:
Follicles, 11-17 mm long, 3.5- to 4-times longer than wide, minutely-hairy; seeds obpyramidal, winged, smooth.
Notes:
Toxic; known to cause livestock poisoning.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry grassy bluffs, meadows and forest openings in the lowland and lower montane zones; common in SW BC; S to OR.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Delphinium menziesii

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) 24 278 1560
Slope Gradient (%) 0 41 210
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
23 175 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 5
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
50
Modal BEC Zone Class
CDF
All BEC Zones (# of stations/zone) species was recorded in: CDF(25), ESSF(1), IDF(2), PP(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References