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

Fragaria chiloensis (L.) Mill.
coastal strawberry (beach strawberry; Pacific coast strawberry)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Val George  Email the photographer   (Photo ID #83580)

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Distribution of Fragaria chiloensis
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Species Information

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General:
Perennial herb from a fibrous root and short, thick rhizome, with short, leafless runners; stems trailing, rooting at the nodes; runners, leaf stalks and flower shoots silky-long-hairy and reddish.
Leaves:
Basal in rosettes, palmately compound, on stalks 4-20 cm long; leaflets 3, egg-shaped, short-stalked, 1.5-4 cm long, thick, leathery, the lower surface strongly net-veined, pale and somewhat hairy, the upper surface green, smooth and wrinkled, the margins coarsely toothed with the terminal tooth shorter than its neighbours.
Flowers:
Inflorescence an open cluster of 5 to 15 (20) stalked flowers atop axillary, leafless shoots 3-15 cm long, shorter than to slightly exceeding the leaves; corollas white, 2-4 cm across, the petals 5, egg-shaped to round, 8-16 mm long; calyces silky-hairy, 5-lobed, the lobes (sepals) lanceolate, 6-10 mm long, alternating with elliptic bractlets that are almost as long as the sepals; ovaries superior; stamens about 20.
Fruits:
Strawberries, hemispheric, 1-1.5 cm in diameter, hairy, covered with achenes; achenes about 2 mm long, slightly immersed in the fleshy receptacle.
Notes:
The garden strawberry, Fragaria x ananassa Duchesne (a complex group of hybrids involving F. chiloensis and F. virginiana) is sometimes found as a garden escape in SW BC. Plants intermediate to F. chiloensis or F. virginiana have been called F. crinita Rydb. Two sympatric subspecies occur in BC:

1. Hairs on stems and leaf-stalks appressed.............. ssp. lucida (Vilm.) Staudt

1. Hairs on stems and leaf-stalks spreading.................... ssp. pacifica Staudt

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
White
Blooming Period:
Early Spring
Fruit/Seed characteristics:
Colour: Red
Present from Spring to Summer
Source:  The USDA

Habitat / Range

Dry to mesic sand dunes and rocky coastal bluffs, just above high tide, in the lowland zone; frequent in coastal BC; N to AK and S to CA; disjunct to South America.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Fragaria chiloensis

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) 0 424 1950
Slope Gradient (%) 0 14 65
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
81 231 335
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 4
Modal Nutrient Regime
Class
A
Number of field plots
 species was recorded in:
22
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: CWH(16), ESSF(2), ICH(1), IDF(1), MS(1), SBS(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 cool mesothermal.

Synonyms and Alternate Names

Fragaria ×ananassa var. ananassa
Fragaria ×magna auct. non Thuill. p.p.
Fragaria chiloensis var. ananassa Weston

Taxonomic and Nomenclatural Links

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General References