Duffie Oak

{{Short description|Historic Southern live oak tree}}

{{Infobox tree

| name = Duffee Oak

| image = Duffie Oak Sept 2023.jpg

| image_caption = The Duffee Oak in 2023

| species = Southern live oak

| binomial = Quercus virginiana

| location = Mobile, Alabama

| map = USA Alabama#USA

| coordinates = {{coord|30.68608|N|88.06202|W|type:landmark|display=inline title}}

| custodian =

| felled =

}}

The Duffee Oak is a historic Southern live oak in Mobile, Alabama. Being approximately 300 years old, it is considered by scholars to be the oldest living landmark in the city.{{cite web |last=Borland |first=Timothy |title=Treehugger 4: Duffee Live Oak |work=Mobile Bay Magazine |publisher=PMT Publishing |date=July 22, 2011 |url=http://www.mobilebaymag.com/Mobile-Bay/Bay-Buzz/Blog-2011/Mobile-Tree-Hugger-Part-II/ |access-date=November 13, 2012 |url-status=dead |archive-url=https://web.archive.org/web/20140512075932/http://www.mobilebaymag.com/Mobile-Bay/Bay-Buzz/Blog-2011/Mobile-Tree-Hugger-Part-II/ |archive-date=May 12, 2014 }}{{cite web |title=Notes on Mobile Bay Wildlife |work=Mod Mobilian |url=http://modmobilian.com/notes/noteswildlife/ |access-date=November 13, 2012 }}{{dead link|date=September 2017 |bot=InternetArchiveBot |fix-attempted=yes }}{{cite web |title=Alabama's Famous & Historic Tree Program |work=Alabama Forestry Commission |publisher=State of Alabama |url=http://www.forestry.state.al.us/PDFs/famous_and_historic_trees.pdf |access-date=November 13, 2012 |archive-url=https://web.archive.org/web/20081120154053/http://www.forestry.state.al.us/PDFs/famous_and_historic_trees.pdf |archive-date=November 20, 2008 |url-status=dead }}{{cite web |title= Live Oak Project, Mobile, AL |work=Native Tree Society |publisher=Eastern Native Tree Society |url=http://www.nativetreesociety.org/fieldtrips/alabama/20090525-mobile/20090525-mobile.htm |access-date=November 13, 2012 }} It was originally known as the Seven Sisters Oak for its number of large limbs. It was later renamed for former mayor of Mobile George A. Duffee, who lived nearby.

The tree has a circumference at breast height (CBH) of {{convert|30|ft|11|in|m}}, a height of {{convert|48|ft|m}} and a limb spread of {{convert|126|ft|m}}. It was recognized by the National Arborist Association in 1977. The Alabama Forestry Commission recognized it as a famous and historic tree in 2003.