Cotoneaster horizontalis Decne.
rock cotoneaster (rockspray cotoneaster)
Rosaceae (Rose family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #9402)


E-Flora BC Static Map

Distribution of Cotoneaster horizontalis
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Species Information

Low shrub, less than 0.5 m tall; stems spreading, the branches stiff, straight, on a horizontal plane; twigs brown-woolly.
Alternate, deciduous or semi-evergreen, egg-shaped to nearly circular, 1-1.5 cm long, entire, abruptly pointed at the tip, dark green, shining and mostly smooth above, paler and sparsely hairy below.
Inflorescences of solitary (sometimes paired), axillary, nearly unstalked flowers; corollas pink, the petals 5, erect; calyces hairy, the 5 lobes triangular; ovaries inferior; stamens about 20.
Berry-like pomes (like miniature apples), egg- to globe-shaped, about 0.5 cm long, red; stones (nutlets) usually 3.

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.

USDA Species Characteristics

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

Habitat and Range

Dry to mesic waste places or open forests in the lowland zone; rare garden escape on S Vancouver Island, the Gulf Islands and the lower Fraser Valley; introduced from Asia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Cotoneaster horizontalis var. wilsonii Havemeyer ex E.H. Wilson