Quercus × harbisonii
Quercus × harbisonii,[1][2] commonly known as Harbison's oak and Harbison oak, is a rare hybrid species of oak in the family Fagaceae. DescriptionIt is a medium-sized deciduous to semi-evergreen tree.[3] TaxonomyThe Harbison oak is a naturally occurring hybrid of the post oak and live oak. It was originally described by Sargent as Quercus stellata var. margaretta × Quercus virginiana var. geminata.[1] Some taxonomists regard Quercus margarettae and Quercus geminata as separate species. EJ Palmer noted that some Quercus × harbisonii were of the typical subspecies.[2] Thus, Quercus × harbisonii is easily said as a hybrid of the post oak and live oak in the broad sense. DistributionThe tree is found in the southeastern United States. It is known from the states of Florida, North Carolina, South Carolina, Georgia, Texas and Oklahoma.[3][4] References
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