Platanus occidentalis

Family:PLATANACEAE
Species:Platanus occidentalis Linnaeus
Common Name:American Sycamore; Plane Tree; Buttonwood
Habitat:**
Associated Ecological Communities:**
Growth Habit:Tree
Duration:Perennial
Category:Vascular
USDA Symbol:PLOC
Plant Notes:American Sycamore is a large native deciduous tree in the Plane-Tree family (Platanaceae). It can be found throughout Alabama. American Sycamore grows along rivers and streams, around lakes and ponds, and in bottomland forests. It is one of the largest of the trees in eastern North America, reaching heights exceeding 150 feet and diameters of 6 feet or more. American Sycamore typically has a single trunk, but can form multitrunked clumps. The bark is thin, light gray in color, and peels in large papery sheets. The trunks contain a patchwork of older and younger bark ranging from green through white to brown in color. Leaves are alternate, petiolate, ovate in outline, and 3-7 lobed. The margins are entire to coarsely serrate. The leaf surface is pubescent, becoming glabrate with persistent hairs along the veins. The base of the petiole is enlarged and encloses a bud. Stipules are large and have toothed margins. Leaves turn brownish-yellow before falling. Flowers are produced in dense heads. Staminate heads are produced on axillary peduncles and pistillate heads are produced on terminal peduncles. The heads are reddish in color. The fruit is a dense ball of achenes. The achenes separate over the winter and each individual achene has a tuff of tan hairs. The seed are consumed by many bird and small mammal species. American Sycamore is fast growing and is often used as a street or shade tree. The wood is dense but brittle. It is used for paper, inexpensive furniture, pallets, and butcher’s blocks. American Sycamore is tolerant of pollution and is often planted in cities. It is available from many nurseries, and various cultivars are available. It prefers a moist, loamy soil in full sun. The tree trunks should be protected from damage from mowers or weed eaters. Sycamore anthracnose is an introduced fungal disease that can cause significant damage the foliage, causing premature leaf drop. Powdery mildew may also infect the leaves, leaving them unsightly. Neither disease
Taxonomic Notes:**
Status:Native, FACW- (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyPLATANACEAE - Plane-Tree family
Genus Platanus
Species Platanus occidentalis Linnaeus - American Sycamore; Plane Tree; Buttonwood

Citation

Citation PLATANUS OCCIDENTALIS Linnaeus, Sp. Pl. 999. 1753.
Basionym: **
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Platanus excelsa Platanus excelsa Salisbury, Prodr. Stirp. Chap. Allerton 393. 1796, nom. illegit.Platanus occidentalis Linnaeus 1753. 
Platanus glabrata Platanus glabrata Fernald, Proc. Amer. Acad. Arts 36: 493. 1901. MEXICO
Platanus lobata Platanus lobata Moench, Methodus 358. 1794, nom. illegit.Platanus occidentalis Linnaeus 1753. 
Platanus occidentalis var. attenuata Platanus occidentalis Linnaeus, var. attenuata Sargent, Man. Trees N. Amer., ed. 2. 372. 1922.  
Platanus occidentalis var. lobata Platanus occidentalis Linnaeus, var. lobata Bommer, Platanes 17. 1869, nom. inadmiss.Platanus lobata Moench 1794, nom. illegit.; Platanus occidentalis Linnaeus 1753. 
Platanus orientalis var. occidentalis Platanus orientalis Linnaeus, var. occidentalis (Linnaeus) Kuntze, Revis. Gen. Pl. 2: 636. 1891, nom. illegit.Platanus vulgaris Spach, var. angulosa Spach 1841; Platanus occidentalis Linnaeus 1753. 
Platanus vulgaris var. angulosa Platanus vulgaris Spach, var. angulosa Spach, Ann. Sci. Nat., Bot., ser. 2. 15: 293. 1841.Platanus occidentalis Linnaeus 1753. 
Platanus occidentalis var. glabrata Platanus occidentalis Linnaeus, var. glabrata (Fernald) Sargent, Bot. Gaz. 67: 230. 1919.Platanus glabrata Fernald 1901. 

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: Baldwin, Barbour, Blount, Bullock, Butler, Calhoun, Chambers, Cherokee, Choctaw, Clarke, Clay, Cleburne, Coffee, Colbert, Conecuh, Covington, Crenshaw, Cullman, Dale, Dallas, DeKalb, Elmore, Escambia, Etowah, Franklin, Greene, Hale, Henry, Houston, Jackson, Jefferson, Lawrence, Lee, Limestone, Macon, Madison, Marengo, Marion, Marshall, Mobile, Monroe, Montgomery, Morgan, Pike, Randolph, Russell, Shelby, St. Clair, Sumter, Talladega, Tallapoosa, Tuscaloosa, Walker, Wilcox

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1951 - 2007

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
JSU142038 Calhoun 26 May 1996 S. E. Hruska
1265
JSU
Platanus occidentalis Linnaeus
10291AUA_ACC Lee 10 AUG 1962 AVAULT, JIM
AUA
PLATANUS OCCIDENTALIS L.
UNA00031854 Mobile 06 Aug 1965 Rebecca Deramus
D681 2
UNA
Platanus occidentalis L.
TROY000007773 Dale 12 Jul 1999 Brian F. Prazinko
s.n.
TROY
Platanus occidentalis Linnaeus
42263AUA_ACC Franklin 1 JUL 1972 POUNDERS, C. T.
088
AUA
PLATANUS OCCIDENTALIS L.
64277AUA_ACC Pike 16 SEP 2004 DIAMOND, JR., ALVIN R.
14697
AUA
PLATANUS OCCIDENTALIS L.
UWAL0042507 Bullock 26 Aug 2017 Horne, Howard E.
4140
UWAL
Platanus occidentalis Linnaeus
43722AUA_ACC Conecuh 1 SEP 1985 DIAMOND, JR., ALVIN R.
1647
AUA
PLATANUS OCCIDENTALIS L.
TROY000032878 Dallas 12 May 2011 Alvin R. Diamond
22101
TROY
Platanus occidentalis Linnaeus
JSU142069 Shelby 25 Sep 1983 D. D. Beavers
s.n.
JSU
Platanus occidentalis Linnaeus
11615AUA_ACC Tallapoosa 3 AUG 1967 HAMILTON, JAMES H.
AUA
PLATANUS OCCIDENTALIS L.
JSU142054 Etowah 14 Jun 1969 Jan Cofield
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142061 Macon 27 Oct 1973 M. Sutherland
155
JSU
Platanus occidentalis Linnaeus
UWAL0043502 Baldwin 04 Jun 2000 Larsen, H.S.
376
UWAL
Platanus occidentalis L.
JSU143053 Talladega 28 Jun 1969 Diane Bigbee
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142048 Clay 06 Oct 1993 J. M. Ballard
3345
JSU
Platanus occidentalis Linnaeus
TROY000037909 Houston 30 Apr 2013 Alvin R. Diamond
23970
TROY
Platanus occidentalis Linnaeus
UNA00031863 Hale 05 Aug 1966 Norris H. Williams
369
UNA
Platanus occidentalis L.
UNA00031839 Greene 22 Jul 1967 Joab L. Thomas
T1144
UNA
Platanus occidentalis L. var. glabrata (Fern.) Sarg.
JSU142074 Tuscaloosa 29 Apr 1967 R. Richardson
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142072 Tallapoosa 17 Apr 1973 William Ponder
151
JSU
Platanus occidentalis Linnaeus
UWAL0005620 Sumter 02 Oct 1993 Stanton, Lee
B-082
UWAL
Platanus occidentalis L.
TROY000007772 Dale 07 May 2000 Tiffany Pennington
648
TROY
Platanus occidentalis Linnaeus
UWAL0005500 Montgomery 20 Mar 2011 Diamond, A.R.
21796
UWAL
Platanus occidentalis Linnaeus
11507AUA_ACC Macon 15 APR 1967 DENT, D. M.
AUA
PLATANUS OCCIDENTALIS L.
17505AUA_ACC Conecuh 3 AUG 1969 WEAVER, JIMMY
122
AUA
PLATANUS OCCIDENTALIS L.
JSU142862 Calhoun 15 Sep 1985 C. L. Lawler
054
JSU
Platanus occidentalis Linnaeus
14839AUA_ACC Lee 24 APR 1969 GRIFFIN, J. W.
93
AUA
PLATANUS OCCIDENTALIS L.
JSU142049 Cleburne 28 Sep 1992 J. M. Ballard
650
JSU
Platanus occidentalis Linnaeus
JSU142056 Jefferson 17 Apr 1993 L. Weninegar
112
JSU
Platanus occidentalis Linnaeus
48856AUA_ACC Pike 6 APR 1988 DIAMOND, JR., ALVIN R.
4396
AUA
PLATANUS OCCIDENTALIS L.
JSU142059 Lee 31 Jul 1973 G. H. Crance
163
JSU
Platanus occidentalis Linnaeus
41644AUA_ACC Baldwin 21 APR 1973 MASON, JANET
149
AUA
PLATANUS OCCIDENTALIS L.
JSU142046 Clarke 13 Sep 1997 R. D. Whetstone
18868
JSU
Platanus occidentalis Linnaeus
JSU142073 Tuscaloosa 09 May 1969 Sandra Morello
s.n.
JSU
Platanus occidentalis Linnaeus
14836AUA_ACC DeKalb 3 MAY 1969 CHITWOOD, JOHN C.
AUA
PLATANUS OCCIDENTALIS L.
UWAL0005619 Marengo 15 Oct 2006 Reynolds, R. Brock
0025
UWAL
Platanus occidentalis L.
TROY000021635 Henry 19 Apr 2005 Robert Kral
96150
TROY
Platanus occidentalis Linnaeus
SAMF0001386 Cullman 20 Oct 1988 Ridgeway, Blanche
13
SAMF
Platanus occidentalis Linnaeus
UNA00055620 Blount 16 Jun 1998 Brian R. Keener
1050
UNA
Platanus occidentalis L.
UWAL0036059 Blount 14 Jun 2013 Anderson, Kelly
0266
UWAL
Platanus occidentalis L.
58228AUA_ACC Tallapoosa 11 APR 1997 TYLER, PATRICIA J.
TYLER07
AUA
PLATANUS OCCIDENTALIS L.
UWAL0013715 Houston 30 Apr 2013 Diamond, Alvin R.
23970
UWAL
Platanus occidentalis Linnaeus
JSU142037 Blount 29 Apr 1993 Adam Dasinger
62
JSU
Platanus occidentalis Linnaeus
JSU142039 Calhoun 18 Oct 1992 D. D. Spaulding
2995
JSU
Platanus occidentalis Linnaeus
41645AUA_ACC Etowah 6 MAY 1973 HARWELL, W. CHARLES
200
AUA
PLATANUS OCCIDENTALIS L.
JSU143909 Calhoun 21 Jun 1969 Jessica tudor
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142052 DeKalb 19 Apr 1968 Norman Harris
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142064 Marshall 19 Jul 1982 Donna K. Minor
s.n.
JSU
Platanus occidentalis Linnaeus
48444AUA_ACC Russell 5 OCT 1980 JACKSON, MIKE
002
AUA
PLATANUS OCCIDENTALIS L.
TROY000046291 Elmore 28 Jun 2017 Alvin R. Diamond
27858
TROY
Platanus occidentalis Linnaeus
JSU142076 Limestone 14 Jun 1996 R. D. Whetstone
18015
JSU
Platanus occidentalis Linnaeus
JSU142216 Monroe 06 Jul 2011 T. Wayne Barger
RH-284
JSU
Platanus occidentalis Linnaeus
41473AUA_ACC Henry 20 MAY 1972 COX, J. E.
154
AUA
PLATANUS OCCIDENTALIS L.
TROY000007774 Escambia 20 May 1995 Cynthia L. Brittain
212
TROY
Platanus occidentalis Linnaeus
UWAL0038734 Lawrence 01 Sep 2018 England, J. Kevin
9407
UWAL
Platanus occidentalis Linnaeus
TROY000032503 Montgomery 20 Mar 2011 Alvin R. Diamond
21796
TROY
Platanus occidentalis Linnaeus
UNA00031873 St. Clair 24 Jun 1951 C. G. Hollis
s.n.
UNA
Platanus occidentalis L.
UNA00068984 Cherokee 22 Aug 2007 T. Wayne Barger
174
UNA
Platanus occidentalis L.
2544AUA_ACC Lee 18 MAY 1953 WALSH, C. S.
AUA
PLATANUS OCCIDENTALIS L.
UWAL0032675 Marion 28 May 2016 England, J. Kevin
6448
UWAL
Platanus occidentalis Linnaeus
JSU142065 Randolph 27 Aug 1986 C. F. Nixon
2898
JSU
Platanus occidentalis Linnaeus
JSU142040 Calhoun 27 Sep 1992 D. D. Spaulding
2954
JSU
Platanus occidentalis Linnaeus
UWAL0010134 Conecuh 18 Jun 2010 Diamond, Alvin R.
22260
UWAL
Platanus occidentalis Linnaeus
JSU142055 Jackson 22 May 1998 K. R. Brodeur
727
JSU
Platanus occidentalis Linnaeus
43735AUA_ACC Monroe 3 SEP 1985 DIAMOND, JR., ALVIN R.
1721
AUA
PLATANUS OCCIDENTALIS L.
JSU142053 Etowah 15 Sep 1982 F. E. Pugh
41
JSU
Platanus occidentalis Linnaeus
2543AUA_ACC Lee 13 MAY 1956 KRUEGER, DONALD R.
AUA
PLATANUS OCCIDENTALIS L.
UWAL0039762 Elmore 28 Jun 2017 Diamond, Alvin R.
27858
UWAL
Platanus occidentalis Linnaeus
UWAL0005617 Choctaw 04 Apr 2006 Skinner, Angie
0048
UWAL
Platanus occidentalis L.
JSU142047 Clarke 13 Sep 1997 R. D. Whetstone
18868
JSU
Platanus occidentalis Linnaeus
JSU142060 Limestone 12 Oct 1997 T. L. Hofmann
00870
JSU
Platanus occidentalis Linnaeus
34767AUA_ACC Tallapoosa 28 MAR 1974 CLAYBROOK, CHARLES R.
032
AUA
PLATANUS OCCIDENTALIS L.
TROY000033996 Conecuh 18 Jun 2010 Alvin R. Diamond
22260
TROY
Platanus occidentalis Linnaeus
SAMF0001384 Shelby 27 Mar 1996 Stiles, Jimmy
60
SAMF
Platanus occidentalis Linnaeus
UNA00041691 St. Clair 09 Nov 1997 Brian R. Keener
506
UNA
Platanus occidentalis L.
SAMF0001387 Shelby 20 Sep 1988 Collier, Stephen
74
SAMF
Platanus occidentalis Linnaeus
UNA00031834 Hale 05 Aug 1966 Sherrie E. Maginness
193
UNA
Platanus occidentalis L.
58362AUA_ACC Tallapoosa 14 JUN 1997 TYLER, PATRICIA J.
TYLER97
AUA
PLATANUS OCCIDENTALIS L.
UWAL0013514 Bullock 02 Nov 2012 Dykes, Bailee
1459
UWAL
Platanus occidentalis Linnaeus
JSU142075 Walker 05 May 1956 Bruce Roberts
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142063 Marshall 23 Apr 1992 D. D. Spaulding
1427
JSU
Platanus occidentalis Linnaeus
47354AUA_ACC Chambers 30 JUN 1983 HAYES, SHERRAD
37
AUA
PLATANUS OCCIDENTALIS L.
JSU143910 Colbert 17 Jul 1965 K. E. Landers
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142045 Calhoun 04 May 1967 P. Prater
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142050 Colbert 01 Jun 1969 Donny Sizemore
s.n.
JSU
Platanus occidentalis Linnaeus
36300AUA_ACC Covington 23 NOV 1972 KELLEY, B. L.
149
AUA
PLATANUS OCCIDENTALIS L.
TROY000034170 Marengo 28 Jun 2011 J. Kevin England
2981
TROY
Platanus occidentalis Linneaus
UNA00031844 Mobile 30 Apr 1967 Rebecca Deramus
D1056
UNA
Platanus occidentalis L.
JSU142058 Lee 08 Aug 1968 S. C. Johnson
X-49-190
JSU
Platanus occidentalis Linnaeus
UNA00063580 Pike 16 Sep 2004 Alvin R. Diamond
14697
UNA
Platanus occidentalis L.
UWAL0019977 Morgan 22 Aug 2015 England, J. Kevin
5640
UWAL
Platanus occidentalis Linnaeus
19548AUA_ACC Lee 8 APR 1969 MOORE, HAROLD D.
060-69
AUA
PLATANUS OCCIDENTALIS L.
TROY000007776 Pike 05 Apr 1991 Walt Porter
3
TROY
Platanus occidentalis Linnaeus
UWAL0005616 Butler 20 May 2009 Diamond, A.R.
20720
UWAL
Platanus occidentalis L.
43755AUA_ACC Conecuh 1 SEP 1985 DIAMOND, JR., ALVIN R.
1642
AUA
PLATANUS OCCIDENTALIS L.
48281AUA_ACC Shelby 12 OCT 1980 WEBB, A. L.
090
AUA
PLATANUS OCCIDENTALIS L.
JSU142041 Calhoun 16 Mar 1986 C. L. Lawler
102
JSU
Platanus occidentalis Linnaeus
41474AUA_ACC Cherokee 22 APR 1972 HALE, A. R.
071
AUA
PLATANUS OCCIDENTALIS L.
JSU142057 Jefferson 28 May 1984 J. P. Barber
429
JSU
Platanus occidentalis Linnaeus
JSU142068 St. Clair 09 Sep 1979 Lawrence L. Devroy
27
JSU
Platanus occidentalis Linnaeus
UWAL0013038 Pike 05 Apr 2013 Diamond, Alvin R.
23897
UWAL
Platanus occidentalis Linnaeus
TROY000007771 Dale 22 May 1993 R. Austinhurst
76
TROY
Platanus occidentalis Linnaeus
JSU142071 Talladega 21 Jun 1980 J. Carlise
s.n.
JSU
Platanus occidentalis Linnaeus
17504AUA_ACC Lee 11 AUG 1969 MCVAY, D. A.
195
AUA
PLATANUS OCCIDENTALIS L.
UNA00048898 Henry 07 Apr 1997 John R. MacDonald
10149
UNA
Platanus occidentalis L.
JSU142051 Cullman 18 Apr 1979 R. D. Whetstone
9459
JSU
Platanus occidentalis Linnaeus
JSU142217 Monroe 06 Jul 2011 T. Wayne Barger
RH-284
JSU
Platanus occidentalis Linnaeus
UWAL0004864 Marengo 28 Jun 2011 England, J. Kevin
2981
UWAL
Platanus occidentalis Linnaeus
UNA00031853 Mobile s.d. Charles Mohr
s.n.
UNA
Platanus occidentalis L.
TROY000028351 Butler 20 May 2009 Alvin R. Diamond
20720
TROY
Platanus occidentalis Linnaeus
61026AUA_ACC Choctaw 22 OCT 1994 CROUCH, VIRGINIA E.
1287
AUA
PLATANUS OCCIDENTALIS L.
22126AUA_ACC Lee 11 APR 1970 WARD, L. A.
043
AUA
PLATANUS OCCIDENTALIS L.
UWAL0035743 Sumter 23 May 1984 Green
0027
UWAL
Platanus occidentalis
JSU142067 Randolph 29 May 1985 C. F. Nixon
1117
JSU
Platanus occidentalis Linnaeus
14841AUA_ACC Cleburne 18 APR 1969 GREGORY, J. M.
112
AUA
PLATANUS OCCIDENTALIS L.
UWAL0033449 Franklin 13 Aug 2016 England, J. Kevin
6743
UWAL
Platanus occidentalis Linnaeus
TROY000007775 Monroe 20 Sep 2007 Alvin R. Diamond
18298
TROY
Platanus occidentalis Linnaeus
JSU142066 Randolph 22 Jun 1969 Kenneth E. Landers
s.n.
JSU
Platanus occidentalis Linnaeus
55462AUA_ACC Crenshaw 31 JUL 1995 DIAMOND, JR., ALVIN R.
9772
AUA
PLATANUS OCCIDENTALIS L.
JSU146155 Cleburne 15 Oct 1993 F. Hutchinson
2180
JSU
Platanus occidentalis Linnaeus
64217AUA_ACC Tuscaloosa 28 MAR 1994 MANN, CARROLL J.
86
AUA
PLATANUS OCCIDENTALIS L.
SAMF0001389 Jefferson 09 May 1953 Knight, R.
s.n.
SAMF
Platanus occidentalis Linnaeus
UNA00031838 Clarke 10 Jul 1979 Robert R. Haynes
7426
UNA
Platanus occidentalis L.
JSU142070 Shelby 17 Sep 1986 S. J. Boehm
147
JSU
Platanus occidentalis Linnaeus
36299AUA_ACC Barbour 2 NOV 1972 BOWERS, JOHN R.
178
AUA
PLATANUS OCCIDENTALIS L.
TROY000007770 Coffee 03 May 2000 Brian H. Martin
656
TROY
Platanus occidentalis Linnaeus
UWAL0005618 Henry 19 Apr 2005 Kral, R.
96150
UWAL
Platanus occidentalis L.
44094AUA_ACC Chambers WILKINS, DAVID H.
085
AUA
PLATANUS OCCIDENTALIS L.
SAMF0001385 Hale 09 May 1965 Nelson, Walter R.
s.n.
SAMF
Platanus occidentalis Linnaeus
43737AUA_ACC Wilcox 1 SEP 1985 DIAMOND, JR., ALVIN R.
1663
AUA
PLATANUS OCCIDENTALIS L.
UWAL0004910 Dallas 12 May 2011 Diamond, A.R.
22101
UWAL
Platanus occidentalis Linnaeus
TROY000007777 Pike 16 Sep 2004 Alvin R. Diamond
14697
TROY
Platanus occidentalis Linnaeus
JSU142062 Madison 11 May 1996 D. D. Spaulding
8314
JSU
Platanus occidentalis Linnaeus
69570AUA_ACC Escambia 20 JUN 2008 HANSEN, CURTIS J.
3403
AUA
PLATANUS OCCIDENTALIS L.
JSU142042 Calhoun 25 Jun 1969 Jan Cofield
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142044 Calhoun 23 Apr 1968 Martha Stuart
s.n.
JSU
Platanus occidentalis Linnaeus
JSU142043 Calhoun 23 Apr 1968 Dickie Brown
s.n.
JSU
Platanus occidentalis Linnaeus
71074AUA_ACC Clarke 15 MAY 2013 HORNE, HOWARD E.
SWS-226
AUA
PLATANUS OCCIDENTALIS L.
TROY000036289 Bullock 02 Nov 2012 Bailee Dykes
1459
TROY
Platanus occidentalis Linnaeus
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