Quercus ×macdonaldii Greene & Kellogg (pro sp.)
MacDonald oak, McDonald Oak
Fagaceae (Beech Family)
Synonym(s): Quercus dumosa var. macdonaldii
USDA Symbol: QUMA4
Small to medium-sized tree with compact, rounded crown; occurring only on California islands.
This rare and local oak apparently is a hybrid between California Scrub Oak and Valley Oak. It is named for Capt. James M. McDonald, who financed the publication of Illustrations of West American Oaks (1889) by Albert Kellogg and Edward L. Greene.
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Bloom InformationBloom Time: Mar , Apr , May
Native Distribution: Santa Rose, Santa Cruz, and Santa Catalina islands of S. California; absent from mainland; near sea level.
Native Habitat: Ravines and canyons; in chaparral and woodlands.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Santa Barbara Botanic Garden - Santa Barbara, CA
Recommended Species Lists
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Additional resourcesUSDA: Find Quercus x macdonaldii in USDA Plants
FNA: Find Quercus x macdonaldii in the Flora of North America (if available)
Google: Search Google for Quercus x macdonaldii
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff