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

Distribution of Galinsoga quadriradiata
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Annual herb from a fibrous root; stems branched, spreading-hairy, especially above, 20-70 cm tall.

Leaves:
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.

Flowers:
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.

Fruits:
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

Key to the Species and Taxonomic Notes

TAXONOMIC KEY TO GALINSOGA

1. Pappus scales of disk flowers tapering to a long point; pappus of ray flowers present G. quadriradiata

1. Pappus scales of disk flowers rounded or blunt; pappus of ray flowers minute or lacking G. parviflora

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

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

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

Flora North America treatment for Asteraceae
Flora North America treatment for Galinsoga quadriradiata
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-11-24 10:04:53 PM ]

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