Quercus phellos

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:FAGACEAE
Species:Quercus phellos L.
Common Name:Willow Oak
Habitat:**
Associated Ecological Communities:**
Growth Habit:Tree
Duration:Perennial
Category:Vascular
USDA Symbol:QUPH
Plant Notes:Willow Oak is a native deciduous tree in the Beech family (Fagaceae). It is native to most of Alabama. Willow Oak occurs on floodplains, along rivers and streams, and in poorly drained uplands. It is a large tree reaching heights of 100-120 feet. The bark is thin, gray, and irregularly furrowed. Leaves are alternate with very short petioles, linear to narrowly elliptic in outline, with entire margins. The leaves are widest near the middle with almost parallel sides and end in a bristle tip. The midrib is the only prominent vein. Leaves are dark green and shiny above and pale green below. Both sides of the leaf are glabrous, or leaves may be pubescent along the midrib below. Leaves turn yellowish-brown before falling. Male flowers are produced in drooping yellow-green catkins. The female flowers are solitary and sessile. The fruit is a nut that requires two years to mature. The cup of the acorn is very flat and shallow, covering ¼ of the acorn. Willow Oak is a popular shade and street tree available from many nurseries. It prefers a medium to wet clayey soil and full sun, and can tolerate some flooding especially when it is dormant. Willow Oak is fast growing and tolerant of pollution, making it a popular species for planting in urban settings. Some consider it to be over utilized.--A. Diamond
Taxonomic Notes:**
Status:Native, FACW- (NWI)
References:**

** Not applicable or data not available.

Classification

FamilyFAGACEAE - Beech family
Genus Quercus
Species Quercus phellos L. - Willow Oak

Citation

Citation Quercus phellos Linnaeus, Sp. Pl. 2: 994. 1753.
Basionym: **
Type: USA: VIRGINIA: Without data, Clayton 780 ["906"] (lectotype: BM). Lectotypified by J.L. Reveal et al., Huntia 7: 233. 1987.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Quercus phellos var. sylvatica Quercus phellos Linnaeus, var. sylvatica Michaux, Hist. Chênes Amér. pl. 12. 1801. "New Jersey to Florida".
Quercus phellos var. viridis Quercus phellos Linnaeus, var. viridis Aiton, Hort. Kew. 3: 354. 1789, nom. inadmiss.Quercus phellos Linnaeus 1753. 

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Autauga, Baldwin, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Cherokee, Choctaw, Cleburne, Coffee, Colbert, Covington, Cullman, Dale, Dallas, DeKalb, Elmore, Escambia, Etowah, Fayette, Greene, Hale, Jackson, Jefferson, Lauderdale, Lawrence, Lee, Limestone, Lowndes, Macon, Marengo, Marshall, Mobile, Monroe, Montgomery, Morgan, Pickens, Pike, Randolph, Shelby, St. Clair, Sumter, Talladega, Tuscaloosa, Winston

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AUA, JSU, SAMF, TROY, UNA, USAM, UWAL

Range of years during which specimens were collected: 1894 - 1998

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU124114 Cherokee 31 May 1968 Landers, Kenneth E.
s.n.		 JSU
Quercus phellos Linnaeus
UNA00001907 Lowndes 03 Oct 1997 Haynes, Robert R.
9610		 UNA
Quercus phellos L.
JSU124194 Marshall 19 Jul 1982 Minor, Donna K.
s.n.		 JSU
Quercus phellos Linnaeus
UNA00032611 Tuscaloosa 06 Dec 1968 Brooks, Carol J.
593		 UNA
Quercus phellos L.
JSU124182 Etowah 10 Sep 1982 Pugh, F.E.
20		 JSU
Quercus phellos Linnaeus
AUA000042993 Cullman 10 Sep 1931 Wolf, Wolfgang
 AUA
Quercus Phellos L.
TROY000031818 Pickens 03 Oct 2010 Keener, Brian R.
6195		 TROY
Quercus phellos Linnaeus
JSU124196 Monroe 1 Nov 1997 Whetstone, R. David
19110		 JSU
Quercus phellos Linnaeus
TROY000050436 Greene 09 Sep 2018 Keener, Brian R.
10882		 TROY
Quercus phellos Linneaus
AUA_ACC_36390 Barbour 5 Oct 1972 Bowers, John R.
117		 AUA
Quercus Phellos L.
TROY000020090 Shelby 05 Oct 2002 Franks, Michael
14		 TROY
Quercus phellos Linnaeus
JSU124185 Jefferson 14 Sep 1985 Barber, J. Patrick
1770		 JSU
Quercus phellos Linnaeus
JSU124110 Calhoun 27 Sep 1992 Spaulding, Daniel D.
2985		 JSU
Quercus phellos Linnaeus
JSU124112 Calhoun 13 Sep 1992 Spaulding, Daniel D.
2822		 JSU
Quercus phellos Linnaeus
UWAL0019065 Fayette 30 Jun 1989 Kral, Robert
76769		 UWAL
Quercus phellos L.
TROY000045706 Autauga 13 Oct 2016 Parker, Matthew R.
171		 TROY
Quercus phellos Linnaeus
JSU124106 Calhoun 18 Oct 1992 Spaulding, Daniel D.
3029		 JSU
Quercus phellos Linnaeus
UWAL0007740 Marengo 10 Oct 2008 England, J. Kevin
1401		 UWAL
Quercus phellos L.
AUA_ACC_17616 Lee 13 Aug 1969 Hayes, J.L.
139		 AUA
Quercus Phellos L.
TROY000029821 Elmore 29 Aug 2004 Heath, William
7		 TROY
Quercus phellos Linnaeus
SAMF0002266 Jefferson Summer 1947 Rinkenberger, Barbara
s.n.		 SAMF
Quercus phellos Linnaeus
UWAL0007743 Montgomery 01 Nov 2007 Diamond, Alvin R.
18588		 UWAL
Quercus phellos L.
UNA00032646 Tuscaloosa 15 Oct 1894 Smith, Eugene A.
s.n.		 UNA
Quercus phellos L.
JSU143619 Calhoun 09 May 1967 Harris, N.D.
s.n.		 JSU
Quercus phellos Linnaeus
AUA_ACC_61213 Choctaw 20 Oct 1994 Crouch, Virginia E.
1221		 AUA
Quercus Phellos L.
UWAL0001582 Pickens 03 Oct 2010 Keener, Brian R.
6195		 UWAL
Quercus phellos L.
UNA00032651 Morgan _ Jun 1891 Mohr, Charles
s.n.		 UNA
Quercus phellos L.
JSU143617 Calhoun 09 May 1972 Davis, Pam
s.n.		 JSU
Quercus phellos Linnaeus
UWAL0007744 Sumter 17 Jun 2000 Holland, Richard
AP00-22		 UWAL
Quercus phellos L.
JSU124192 Marshall 27 Oct 1991 Spaulding, Daniel D.
1050		 JSU
Quercus phellos Linnaeus
TROY000028756 Marengo 10 Oct 2008 England, J. Kevin
1401		 TROY
Quercus phellos Linnaeus
JSU124103 Calhoun 13 Sep 1992 Spaulding, Daniel D.
2873		 JSU
Quercus phellos Linnaeus
UNA00068974 Cherokee 27 Jun 2007 Barger, T. Wayne
119		 UNA
Quercus phellos L.
JSU124109 Calhoun 20 Jul 1995 Hruska, Susan E.
788		 JSU
Quercus phellos Linnaeus
JSU124098 Bibb 25 Sep 1982 Whetstone, R. David
12589		 JSU
Quercus phellos Linnaeus
UNA00060851 Bullock 11 Sep 2003 Diamond, Alvin R.
14140		 UNA
Quercus phellos L.
UWAL0044996 Bullock 18 Jul 2017 Horne, Howard E.
4036		 UWAL
Quercus phellos Linnaeus
JSU124197 Shelby 3 Sep 1972 McCool, Jeff
s.n.		 JSU
Quercus phellos Linnaeus
UWAL0043567 Baldwin 16 Jun 2001 Larsen, Harry S.
689		 UWAL
Quercus phellos L.
JSU144259 Calhoun 06 May 1967 Prater, Pat
s.n.		 JSU
Quercus phellos Linnaeus
AUA000042992 Lauderdale 10 Jul 1919 Wolf, Wolfgang
 AUA
Quercus Phellos L.
TROY000036757 Bullock 31 Aug 2012 Dykes, Bailee
1164		 TROY
Quercus phellos Linnaeus
JSU124097 Calhoun 7 Sep 1986 Lawler, Carol L.
1132		 JSU
Quercus phellos Linnaeus
TROY000006027 Monroe 20 Sep 2007 Diamond, Alvin R.
18273		 TROY
Quercus phellos Linnaeus
JSU124191 Limestone 14 Jun 1996 Whetstone, R. David
18014		 JSU
Quercus phellos Linnaeus
TROY000006026 Lowndes 06 Aug 2004 Diamond, Alvin R.
14574		 TROY
Quercus phellos Linnaeus
SAMF0002269 Jefferson Summer 1947 McCullough, Herbert A.
s.n.		 SAMF
Quercus phellos Linnaeus
JSU124107 Calhoun 27 Sep 1992 Spaulding, Daniel D.
2943		 JSU
Quercus phellos Linnaeus
JSU124193 Marshall 11 Sep 1992 Spaulding, Daniel D.
3078		 JSU
Quercus phellos Linnaeus
UWAL0005476 Montgomery 15 May 2011 Diamond, Alvin R.
22124		 UWAL
Quercus phellos Linnaeus
TROY000006021 Bullock 11 Sep 2003 Diamond, Alvin R.
14140		 TROY
Quercus phellos Linnaeus
JSU124104 Calhoun 18 Oct 1992 Spaulding, Daniel D.
3014		 JSU
Quercus phellos Linnaeus
AUA_ACC_70276 Covington 19 May 2009 Hansen, Curtis J.
3975		 AUA
Quercus Phellos L.
UNA00032626 Hale 05 Aug 1966 Williams, Norris H.
404		 UNA
Quercus phellos L.
JSU124118 DeKalb 5 Jul 1969 Landers, Kenneth E.
s.n.		 JSU
Quercus phellos Linnaeus
UNA00032657 Hale 03 May 1966 Maginness, Sherrie E.
213		 UNA
Quercus phellos L.
JSU124113 Calhoun 1 Nov 1983 Nixon, Christopher F.
1020		 JSU
Quercus phellos Linnaeus
UNA00032642 Tuscaloosa 18 Nov 1968 Brooks, Carol J.
574		 UNA
Quercus phellos L.
JSU124100 Calhoun 29 Mar 1967 Sanford, N.C.
s.n.		 JSU
Quercus phellos Linnaeus
AUA000042991 Cullman 14 Apr 1919 Wolf, Wolfgang
1589		 AUA
Quercus Phellos L.
AUA000041187 Lee 7 Apr 2019 Schotz, Alfred
CSP606		 AUA
Quercus Phellos L.
JSU124200 Talladega 6 Jun 1980 Carlisle, N.J.
s.n.		 JSU
Quercus phellos Linnaeus
AUA_ACC_63849 Lowndes 6 Aug 2004 Diamond, Alvin R.
14574		 AUA
Quercus Phellos L.
JSU124187 Jefferson 14 Sep 1985 Barber, J. Patrick
1770		 JSU
Quercus phellos Linnaeus
AUA_ACC_63146 Bullock 11 Sep 2003 Diamond, Alvin R.
14140		 AUA
Quercus Phellos L.
JSU124095 Calhoun 13 Sep 1992 Spaulding, Daniel D.
2838		 JSU
Quercus phellos Linnaeus
UWAL0038600 Lawrence 01 Sep 2018 England, J. Kevin
9433		 UWAL
Quercus phellos Linnaeus
TROY000037283 Butler 23 Oct 2012 Webb, Wayne K.
s.n.		 TROY
Quercus phellos Linnaeus
JSU124093 Calhoun 2 May 1999 Spaulding, Daniel D.
10591		 JSU
Quercus phellos Linnaeus
UWAL0015563 Lawrence 15 Sep 2013 England, J. Kevin
4533		 UWAL
Quercus phellos Linnaeus
TROY000032417 Montgomery 15 May 2011 Diamond, Alvin R.
22124		 TROY
Quercus phellos Linnaeus
TROY000019998 Montgomery 01 Nov 2007 Diamond, Alvin R.
18588		 TROY
Quercus phellos Linnaeus
UWAL0007741 Marengo 15 Oct 2006 Reynolds, R. Brock
38		 UWAL
Quercus phellos L.
JSU124183 Jackson 10 May 1999 Brodeur, Kristin R.
1791		 JSU
Quercus phellos Linnaeus
UWAL0038677 Winston 07 Oct 2018 England, J. Kevin
9585		 UWAL
Quercus phellos Linnaeus
JSU124181 Etowah 23 Sep 1972 Phifer, Gene
s.n.		 JSU
Quercus phellos Linnaeus
AUA000042994 Cullman 1 Nov 1910 Wolf, Wolfgang
 AUA
Quercus Phellos L.
TROY000020091 Talladega 24 Mar 1999 Carver, D.A.
18		 TROY
Quercus phellos Linnaeus
JSU124184 Jackson 21 Jun 1969 Bible, Rebecca
s.n.		 JSU
Quercus phellos Linnaeus
TROY000006024 Dale 18 May 1993 Austinhirst, Ruth
67		 TROY
Quercus phellos Linnaeus
JSU124195 Monroe 12 Sep 1997 Whetstone, R. David
18616		 JSU
Quercus phellos Linnaeus
UNA00032662 Greene 22 Jul 1967 Thomas, Joab L.
T1113		 UNA
Quercus phellos L.
JSU124096 Calhoun 27 Sep 1992 Spaulding, Daniel D.
2942		 JSU
Quercus phellos Linnaeus
TROY000020089 Randolph 17 Aug 1988 Nixon, Christopher F.
4171		 TROY
Quercus phellos Linnaeus
JSU124190 Limestone 12 Oct 1998 Hofmann, Tim L.
01824		 JSU
Quercus phellos Linnaeus
AUA000038152 Morgan 22 Aug 2015 England, J. Kevin
5646		 AUA
Quercus Phellos L.
TROY000006022 Coffee 15 Nov 1999 Allen, Anthony
9		 TROY
Quercus phellos Linnaeus
JSU124105 Calhoun 18 Oct 1992 Spaulding, Daniel D.
3001		 JSU
Quercus phellos Linnaeus
AUA_ACC_69349 Escambia 16 Apr 2009 Hansen, Curtis J.
3719		 AUA
Quercus Phellos L.
UNA00032636 Tuscaloosa _ Oct 1895 Smith, Eugene A.
s.n.		 UNA
Quercus phellos L.
JSU124119 Dallas 9 Jun 1984 Whetstone, R. David
14055		 JSU
Quercus phellos Linnaeus
ALNHS00003754 Marengo 15 Jul 2015 Barger, T. Wayne
SP#1823		 ALNHS
Quercus phellos L.
AUA_ACC_10205 Lee 5 May 1962 Landers, K.E.
 AUA
Quercus Phellos L.
UNA00032652 Tuscaloosa 31 Oct 1959 Edwards, Jackie
19		 UNA
Quercus phellos L.
JSU124117 Colbert 2 Jun 1969 Sizemore, Donny
s.n.		 JSU
Quercus phellos Linnaeus
AUA000042999 Cullman 2 Jun 1931 Wolf, Wolfgang
 AUA
Quercus Phellos L.
UWAL0035830 Blount 30 Jun 2014 Anderson, Kelly
593		 UWAL
Quercus phellos L.
JSU143618 Cherokee 24 Apr 1969 Cofield, Jan
s.n.		 JSU
Quercus phellos Linnaeus
AUA_ACC_10665 Macon 15 May 1963 Smoot, B.C.
 AUA
Quercus Phellos L.
JSU124189 Jefferson 14 Sep 1985 Barber, J. Patrick
1770		 JSU
Quercus phellos Linnaeus
AUA_ACC_21465 Fayette 18 Apr 1970 Rush, Larry
051		 AUA
Quercus Phellos L.
JSU124102 Calhoun 13 Sep 1992 Spaulding, Daniel D.
2850		 JSU
Quercus phellos Linnaeus
UWAL0043566 Baldwin 04 Jun 2000 Larsen, Harry S.
346		 UWAL
Quercus phellos L.
USAM000006938 Mobile 01 May 1969 LeLong, Michel G.
5089		 USAM
Quercus phellos Linnaeus
JSU124101 Calhoun 20 Sep 1992 Spaulding, Daniel D.
2887		 JSU
Quercus phellos Linnaeus
UNA00032631 Bibb 15 Oct 1982 Burckhalter, Robert
67		 UNA
Quercus phellos L.
JSU124120 Dallas 9 Jun 1984 Whetstone, R. David
14055		 JSU
Quercus phellos Linnaeus
TROY000006028 Pike 25 Apr 1991 Dean, Brenda
14		 TROY
Quercus phellos Linnaeus
AUA_ACC_48044 Morgan 26 Nov 1981 Lockhart, Drew
147		 AUA
Quercus Phellos L.
UNA00045721 Barbour 09 May 1998 MacDonald, John R.
11149		 UNA
Quercus phellos L.
JSU124188 Lee 1 Jul 1973 French, Tom W.
162		 JSU
Quercus phellos Linnaeus
AUA_ACC_14673 Lee 3 Apr 1969 Chitwood, John C.
 AUA
Quercus Phellos L.
AUA000043000 Cullman 25 Aug 1931 Wolf, Wolfgang
 AUA
Quercus Phellos L.
UWAL0047645 Marengo 15 Jul 2015 Barger, T. Wayne
SP#1823		 UWAL
Quercus phellos L.
JSU124116 Cleburne 9 Sep 1979 Crenshaw, Regina
s.n.		 JSU
Quercus phellos Linnaeus
UWAL0014101 Bullock 31 Aug 2012 Dykes, Bailee
1164		 UWAL
Quercus phellos Linnaeus
JSU124186 Jefferson 17 May 1985 Barber, J. Patrick
1477		 JSU
Quercus phellos Linnaeus
UWAL0047390 Greene 09 Sep 2018 Keener, Brian R.
10882		 UWAL
Quercus phellos L.
JSU124094 Calhoun 13 Sep 1992 Spaulding, Daniel D.
2858		 JSU
Quercus phellos Linnaeus
UWAL0034696 Limestone 19 May 1995 Kral, Robert
84689		 UWAL
Quercus phellos L.
JSU124111 Calhoun 14 Sep 1993 Hruska, Susan E.
7		 JSU
Quercus phellos Linnaeus
JSU124108 Calhoun 20 Sep 1992 Spaulding, Daniel D.
2913		 JSU
Quercus phellos Linnaeus
UNA00062953 Lowndes 06 Aug 2004 Diamond, Alvin R.
14574		 UNA
Quercus phellos L.
UWAL0007742 Monroe 20 Sep 2007 Diamond, Alvin R.
18273		 UWAL
Quercus phellos L.
SAMF0002268 Jefferson 20 May 1953 Cunningham, J.
s.n.		 SAMF
Quercus phellos Linnaeus
UWAL0019919 Morgan 22 Aug 2015 England, J. Kevin
5646		 UWAL
Quercus phellos Linnaeus
TROY000006023 Dale 14 Oct 1997 Rundell, Hannelore
377		 TROY
Quercus phellos Linnaeus
JSU124115 Choctaw 13 Sep 1997 Higginbotham, Jerri W.
198		 JSU
Quercus phellos Linnaeus
AUA_ACC_17622 Lee 5 Aug 1969 Mcvay, D.A.
165		 AUA
Quercus Phellos L.
TROY000006025 Escambia 20 May 1995 Brittain, Cynthia L.
227		 TROY
Quercus phellos Linnaeus
UNA00032606 Greene 05 Oct 1968 Thomas, Joab L.
1843		 UNA
Quercus phellos L.
JSU124199 Talladega 8 May 1968 Payton, Charles
s.n.		 JSU
Quercus phellos Linnaeus
UWAL0039364 Autauga 13 Oct 2016 Parker, Matthew R.
171		 UWAL
Quercus phellos L.
JSU124099 Calhoun 27 Sep 1992 Spaulding, Daniel D.
1976		 JSU
Quercus phellos Linnaeus
TROY000043476 Lawrence 15 Sep 2013 England, J. Kevin
4533		 TROY
Quercus phellos Linnaeus
JSU124198 St. Clair 5 Sep 1983 Baldwin, D. Dean
s.n.		 JSU
Quercus phellos Linnaeus
AUA_ACC_22732 Lee 7 Nov 1971 Hudson, Mary
218		 AUA
Quercus Phellos L.
UNA00032647 Morgan 01 May 1898 Mohr, Charles
s.n.		 UNA
Quercus phellos L.
JSU145752 Calhoun 11 Sep 1992 Hutchinson, Francine
960		 JSU
Quercus phellos Linnaeus
AUA_ACC_69306 Escambia 16 Apr 2009 Hansen, Curtis J.
3713		 AUA
Quercus Phellos L.
UNA00055950 Dale 10 Apr 1998 MacDonald, John R.
11003		 UNA
Quercus phellos L.
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