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

Galinsoga quadriradiata Cav.
shaggy galinsoga (shaggy soldier)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Robert Flogaus-Faust  Email the photographer   (Photo ID #26261)

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Distribution of Galinsoga quadriradiata
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Species Information

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Annual herb from a fibrous root; stems branched, spreading-hairy, especially above, 20-70 cm tall.
Basal leaves lacking; stem leaves opposite, simple, stalked, egg-shaped to narrowly egg-shaped, coarsely toothed, sparsely stiff-hairy, 3-8.5 cm long (including the stalk), 1-4 cm wide.
Heads with ray and disk flowers, numerous in leafy-bracted clusters, the bases spreading-hairy with gland-tipped hairs; involucres 2-3 mm tall; involucral bracts egg-shaped; receptacles conic, covered with narrow, membranous scales; ray flowers white, 1-2 mm long; disk flowers yellow.
Achenes obscurely angled, coarse-hairy, those of the disk flowers compressed; pappus of 9-14 long-pointed, white scales.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic waste places in the lowland zone; rare in SW and SC BC; introduced from C and S America.

Source: The Illustrated Flora of British Columbia


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

Galinsoga aristulata E.P. Bicknell
Galinsoga bicolorata H. St. John & D. White
Galinsoga caracasana (DC.) Sch. Bip.
Galinsoga ciliata (Raf.) S.F. Blake

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References