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

Hackelia floribunda (Lehm.) I.M. Johnst.
many-flowered stickseed (manyflower stickseed; many-flowered hackelia)
Boraginaceae (Borage family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #3833)

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Distribution of Hackelia floribunda
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Species Information

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General:
Biennial or short-lived perennial herb from a taproot; stems single to few, spreading long-hairy on lower part, appressed, upswept, straight-hairy above, 0.3-1 m tall.
Leaves:
Basal leaves sometimes persistent but usually smaller than stem leaves and soon withering, oblanceolate, stalked; stem leaves ample, 4-20 cm long and 5-30 mm wide, the lower oblanceolate and stalked, the upper more lanceolate or lance-elliptic and unstalked, reduced upward, appressed straight-hairy or coarsely stiff-hairy, entire, alternate.
Flowers:
Inflorescence of several narrow, elongating, many-flowered clusters with leafy bracts at the base; petals blue, fused at base into a short,narrow tube that spreads (4-8 mm wide) at top to 5 lobes, with 5 minutely pimply, yellow bulges at the throat.
Fruits:
Nutlets 4, clustered together, 2-4 mm long, with marginal, barb-tipped prickles mostly free (but sometimes fused) to near base, facial prickles 0-3.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic rocky slopes, grasslands and shrublands in the lowland and steppe zones; frequent in S BC east of the Coast-Cascade Mountains; E to W ON and S to CA and NM.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Hackelia floribunda

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) 385 1481 2268
Slope Gradient (%) 0 36 70
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
94 138 335
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 5
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
12
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(7), IDF(1), MS(2), SBS(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 not evaluated, unknown or variable.

Synonyms and Alternate Names

Hackelia leptophylla (Rydb.) I.M. Johnst.
Lappula floribunda (Lehm.) Greene

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References