Quercus × Macdonaldii
''Quercus'' × ''macdonaldii'',Jepson: ''Quercus'' × ''macdonaldii''
Retrieved 28 February 2015.USDA: ''Quercus'' × ''macdonaldii''
Retrieved 28 February 2015. formerly ''Quercus macdonaldii'', with the common names MacDonald's oak and Macdonald oak, is a rare hybrid species of oak in the family Fagaceae.

Description

The tree is between 5 and 15 meters tall, with scaly bark on the trunk. The twigs are gray and tomentose. The leaves are between 4 and 7 centimeters in length, the blades are oblong to obovate, and adaxially Glabrousness, glabrous to sparsely hairy. The Petiole (botany), petiole ...
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Santa Cruz Island
Santa Cruz Island (Spanish language, Spanish: ''Isla Santa Cruz'', Chumashan languages, Chumash: ''Limuw'') is located off the southwestern coast of Ventura, California, United States. It is the largest island in California and largest of the eight islands in the Channel Islands (California), Channel Islands archipelago and Channel Islands National Park. Forming part of the northern group of the Channel Islands, Santa Cruz is long and wide with an area of . The island's coastline has steep cliffs, large sea caves, coves, and sandy beaches. The highest point is Devils Peak (Santa Barbara County, California), Devils Peak, at . A central valley splits the island along the Santa Cruz Island Fault, with volcanic rock on the north and older sedimentary rock on the south. This volcanic rock was heavily fractured during an uplift phase that formed the island, and over a hundred large sea caves have been carved into the resulting faults. The largest is Painted Cave, among the world's la ...
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