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)

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Distribution of Cerastium semidecandrum
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Species Information

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General:
Annual herb from a slender taproot; stems erect to ascending, branched, hairy, sometimes glandular, 1-20 cm tall.
Leaves:
Basal leaves oblanceolate with a stalk-like base; stem leaves opposite, egg-shaped to elliptic-oblong, 5-18 mm long, white-hairy; stipules lacking.
Flowers:
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.
Fruits:
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

Ecology

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

Minimum

Average

Maximum

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
Class
D
Number of field plots
 species was recorded in:
3
Modal BEC Zone Class
PP
All BEC Zones (# of stations/zone) species was recorded in: IDF(1), PP(1)

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References