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

Cerastium semidecandrum L.
little chickweed (fivestamen chickweed)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #58440)

E-Flora BC Static Map
Distribution of Cerastium semidecandrum
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Annual herb from a slender taproot; stems erect to ascending, branched, hairy, sometimes glandular, 1-20 cm tall.
Basal leaves oblanceolate with a stalk-like base; stem leaves opposite, egg-shaped to elliptic-oblong, 5-18 mm long, white-hairy; stipules lacking.
Inflorescence in a spreading cluster; flowers stalks at first sharply deflexed at the base, later almost erect, glandular-hairy; petals 5, white, narrow, 2-4 mm long, slightly notched; sepals 5, narrowly lanceolate, sharp-pointed, 3-5 mm long, glandular-hairy, broadly papery-margined.
Capsules cylindric, 4.5-6.5 mm long, 10-valved; stalks of the fruits curved downwards at first, later almost erect; seeds yellowish-brown, 0.4-0.6 mm long. vol2_6

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides and fields in the lowland zone; rare in SC BC, frequent in SW BC, known from S Vancouver Island and lower Fraser Valley; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Cerastium semidecandrum

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) 850 950 1050
Slope Gradient (%) 35 46 59
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
175 206 235
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 2 3
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: IDF(1), PP(1)


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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References