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Quercus ×macdonaldii Greene & Kellogg (pro sp.)
MacDonald oak, McDonald Oak
Synonym(s): Quercus dumosa var. macdonaldii
USDA Symbol: QUMA4
USDA Native Status: L48 (N)
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.
Bloom InformationBloom Time: Mar , Apr , May
DistributionUSA: 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.
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
Record Last Modified: 2007-01-01
Research By: TWC Staff