Arenaria serpyllifolia L.
thyme-leaved sandwort (thymeleaf sandwort)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #81467)


Map

E-Flora BC Static Map

Distribution of Arenaria serpyllifolia
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Arenaria serpyllifolia var. serpyllifolia

Species Information

General:
Annual herb from a short, slender taproot; stems slender, ascending, usually much-branched, downy, often becoming glandular above, 8-30 cm tall.
Leaves:
Leaves opposite, egg-shaped to lanceolate, 3-8 mm long, 1.5-4 mm wide, 3- to 5-nerved, needle-pointed, roughly hairy; stipules lacking.
Flowers:
Inflorescence of usually several flowers, borne in typically open, diffuse, leafy-bracted clusters; petals 5, white, narrowly egg-shaped, to 2 mm long; sepals 5, free, narrowly egg-shaped, sharp-pointed, about 3 mm long, hairy.
Fruits:
Capsules egg-shaped to pear-shaped, 3-4 mm long, 6-valved; seeds greyish-purple to black, 0.5 mm long, pimply in concentric rows.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Arenaria serpyllifolia

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

Avg

Min

Max

Elevation (metres)
800 213 1644
Slope Gradient (%)
38 0 210

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

195 5 345
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 5
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
93
Modal BEC Zone Class
IDF

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

BG(4), ESSF(1), ICH(23), IDF(35), MS(1), PP(19)

Habitat and Range

Dry roadsides and disturbed areas in the lowland, steppe and montane zones; common in S BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Arenaria leptoclados (Rchb.) Guss.
Arenaria serpyllifolia subsp. leptoclados (Rchb.) Nyman
Arenaria serpyllifolia subsp. serpyllifolia
Arenaria serpyllifolia var. tenuior Mert. & W.D.J. Koch