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

Triteleia grandiflora Lindl.
large-flowered triteleia (largeflower triteleia)
(Previously in Liliaceae)

Introduction to Vascular Plants

© Gordon Neish  Email the photographer   (Photo ID #20117)

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Distribution of Triteleia grandiflora
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Species Information

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Perennial herb from a deep, straw-coloured, fibrous-scaly, nearly globe-shaped, bulb-like corm; flowering stems erect, 20-70 cm tall, slender, smooth.
Basal leaves 1 to 3, linear, keeled, 20-50 cm long, 3-10 mm wide, smooth, sheathing at the base, the margins entire; stem leaves lacking.
Inflorescence a compact to open, terminal umbel of 5 to 20, erect to ascending, more or less equally stalked flowers, above several membranous bracts, the stalks 0.5-4 cm long; flowers light- to deep blue to whitish, vase-shaped to narrowly bell- or top-shaped, of 6 fused segments, 1.5-2.5 cm long; corolla lobes in two petal-like whorls, nearly equalling to longer than the tubes, spreading, the outer 3 narrowly egg-shaped to lanceolate, the inner 3 wider, ruffled; stamens 6; pistil 1, 3-chambered.
Capsules, egg-shaped, stalked; seeds rounded, black.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Mid Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Spring
Source:  The USDA

Habitat / Range

Dry to mesic slopes in the steppe and lowland zones; frequent in SC and SE BC, formerly known from S Vancouver Island, but probably extirpated there; S to WY, UT, ID and OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Triteleia grandiflora

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) 570 795 997
Slope Gradient (%) 0 23 73
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
75 262 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 4
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ICH(3), IDF(1), PP(6)


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 not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References