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

Bassia hyssopifolia (Pall.) Kuntz
five-hooked bassia (fivehorn smotherweed)
Amaranthaceae (Amaranth family)
(Previously in Chenopodiaceae)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Bassia hyssopifolia
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Species Information

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Annual herb; stems erect, simple to freely branched, 15-60 cm tall, woolly-hairy, often reddish-tinged.
Stem leaves alternate, entire, linear or narrowly lanceolate, 1-4 cm long, without stalks, soft- to woolly-hairy, especially when plants are in flower.
Inflorescence of densely clustered terminal and lateral spikes, with smaller axillary spikes below, greenish; bracts reduced.
Membranous bladders flattened, 2 mm broad with curved, strongly hooked spines; seeds horizontal, flattened.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Black
Present over the Summer
Source:  The USDA

Habitat / Range

Dry alkaline flats, roadsides and waste places in the steppe and montane zones; infrequent in SC and SE BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Bassia hyssopifolia

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) 512 516 519
Slope Gradient (%) 4 7 10
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
8 355 332
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 6 7
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: IDF(3)


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

Echinopsilon hyssopifolius (Pall.) Moq.
Kochia hyssopifolia (Pall.) Schrad.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References