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

Hackelia deflexa (Wahlenb.) Opiz
Northern Stickseed (nodding hackelia; nodding stickseed)
Boraginaceae (Borage family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #64060)

E-Flora BC Static Map
Distribution of Hackelia deflexa
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Hackelia deflexa ssp. americana

Species Information

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Annual or biennial herb from a taproot; stems usually single, sometimes few, spreading-hairy below, appressed straight-hairy above, 15-100 cm tall.
Basal leaves few and withering or absent; stem leaves 2-15 cm long, 0.5-3 cm wide, the lower oblanceolate and somewhat stalked, the upper lanceolate or narrowly elliptic and unstalked, coarsely stiff-hairy or appressed straight-hairy, entire, alternate.
Inflorescence of several elongating, narrow clusters, naked or with leafy bracts at the base, the flower stalks curved downward in fruit; corollas blue or sometimes white, tiny; petals fused at base into short narrow tube that spreads (1.5-3 mm wide) to 5 lobes, with 5 bulges at the throat.
Nutlets 4, clustered together, 2-3 mm long, with marginal barb-tipped prickles distinct to base, facial prickles 0-3.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grasslands, shrublands, forest openings and disturbed areas in the steppe and lower montane zones; frequent throughout BC east of the Coast-Cascade Mountains, circumboreal, E to PQ and S to WA, CO and IA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Hackelia deflexa

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) 549 922 1295
Slope Gradient (%) 10 16 23
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
50 49 50
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 4 5
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: BG(1), IDF(1)

Taxonomic and Nomenclatural Links

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General References