Galium triflorum Michx.
sweet-scented bedstraw (fragrant bedstraw)
Rubiaceae (Madder family)

Introduction to Vascular Plants


© Bryan Kelly-McArthur     (Photo ID #66164)


E-Flora BC Static Map

Distribution of Galium triflorum
Click here to view the full interactive map and legend

Species Information

Perennial herb from a creeping rhizome; stems prostrate to ascending or climbing, several, branched, square, short-hairy on the angles, the hooked hairs pointed downwards, 20-80 cm long.
Basal leaves few, soon deciduous; stem leaves in whorls of 6, sometimes 4 or 5 on the smaller branches, narrowly elliptic to oblanceolate, 1-veined, 1.5-4.5 cm long, unstalked, short-hairy on the margins and with hooked bristles on the veins beneath, the hairs pointed forward.
Inflorescence of usually 3, stalked flowers in loose, open axillary or terminal clusters; corollas saucer-shaped, whitish, 2-3 mm wide, 4-lobed; calyces obsolete.
Nutlets, 2, 2-2.5 mm long, with numerous, short, hooked white to brown bristles.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Galium triflorum

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)
878 0 2750
Slope Gradient (%)
15 0 205

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

106 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 0 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

AT(4), BG(22), BWBS(219), CDF(161), CWH(1020), ESSF(832), ICH(1696), IDF(511), IMA(1), MH(11), MS(415), PP(26), SBPS(35), SBS(1289), SWB(5)

Habitat and Range

Moist to mesic streambanks, thickets and forests in the lowland, steppe and montane zones; common throughout BC; circumpolar, N to AK, YT and SW NT, E to NF and S to FL, CA and MX; Eurasia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Galium brachiatum Pursh
Galium pennsylvanicum W. Bartram
Galium triflorum var. asprelliforme Fernald
Galium triflorum var. viridiflorum DC.