Cotoneaster lacteus. RED CLUSTERBERRY. Western China
Rosaceae

Shrub, arching, to 8 feet or more high, but often seen as a lower, informal hedge. Alternate, simple 1-3 inch long leaves that are dark green above, hairy white below. White flowers in clusters, long-lasting clusters of 1/4 inch diameter orange-red berries into to fall and winter. The berries, like those of Pyracantha (firethorn), attracts birds, which eat and disperse them. C. lacteus has been planted at Burnhap Pavilion, at the back of CIS, and in different groupings around the Arrillaga Sports Center (clipped as hedge), including occasionally in the green border near Campus Drive toward the Galvez end. C. lacteus is weedy in California: Invasive Plants of California Wildlands, a trait shared with other cotoneaster including C. pannosa, which has naturalized at Jasper Ridge Biological Preserve as well as campus rural areas.

Illustrations (links open new windows): habit |

Additions/Revisions: This is a new entry, not in book.

Name derivation, genus | species: From L. cotoneum (quince) and -aster (resembling somewhat) from the similarity of the leaves of some species | milky (the flowers)

Related material: California Invasive Plant Council Invasive Plants of California Wildlands.

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