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Native Plant Database

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Quercus ×macdonaldii Greene (pro sp.)

MacDonald oak, McDonald Oak

Fagaceae (Beech Family)

USDA Symbol: QUMA4

USDA Native Status: Native to U.S.

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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Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Complexity: Simple
Flower:
Fruit:

Bloom Information

Bloom Time: Mar , Apr , May

Distribution

USA: CA
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.
USDA Native Status: L48(N)

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Santa Barbara Botanic Garden - Santa Barbara, CA

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Quercus ×macdonaldii in USDA Plants
FNA: Find Quercus ×macdonaldii in the Flora of North America (if available)
Google: Search Google for Quercus ×macdonaldii

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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