Galinsoga quadriradiata Cav.
shaggy galinsoga (shaggy soldier)
Asteraceae (Aster family)
Introduction to Vascular Plants
shaggy galinsoga (shaggy soldier)
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
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.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Mesic waste places in the lowland zone; rare in SW and SC BC; introduced from C and S America.Status Information
Synonyms
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 Keys
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 |