Quercus × harbisonii,[1][2] commonly known as Harbison's oak and Harbison oak, is a rare hybrid species of oak in the family Fagaceae.

Quercus × harbisonii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Species:
Q. × harbisonii
Binomial name
Quercus × harbisonii
C.S. Sargent

Description edit

It is a medium-sized deciduous to semi-evergreen tree.[3]

Taxonomy edit

The 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.

Distribution edit

The 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 edit

  1. ^ a b Sargent, C.S. (January–June 1918). "Notes on North American Trees Quercus". The Botanical Gazette. LXV: 458–459 – via Biodiversity Heritage Library.
  2. ^ a b Palmer, Ernest J. (1948). "Hybrid Oaks of North America". Journal of the Arnold Arboretum. 29 (1): 1–48. doi:10.5962/p.185588. ISSN 0004-2625. JSTOR 43781279.
  3. ^ a b "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-12-12.
  4. ^ SERNEC (11 December 2023). "Data Portal search for "Quercus harbisonii"". SouthEast Regional Network of Expertise and Collections (www.sernecportal.org). Retrieved 11 December 2023.