Crataegus uniflora

Family:ROSACEAE
Species:Crataegus uniflora Münchh.
Common Name:One Flower Hawthorn; Single Flower Hawthorn; Dwarf Thorn
Habitat:**
Associated Ecological Communities:**
Growth Habit:Shrub
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:One Flower Hawthorn is a native deciduous shrub in the Rose family (Rosaceae). It can be found throughout most of Alabama. One Flower Hawthorn grows in sandhills, Longleaf pine forests, and in open scrubby woods. It is a low mounding shrub reaching 3 feet in height. Young stems are densely appressed pubescent. Old stems have gray-brown bark. The stems are armed with long, straight, needle-like thorns. Leaves are alternate, petiolate, elliptic to spatulate or oblanceolate in outline, with serrate or crenate margins. The teeth are sometimes black gland-tipped. The leaves are coriaceous and usually unlobed. The leaves are medium to dark green and glossy above and lighter green and pubescent at least along the veins below. Flowers are produced in 1-3 flowered inflorescences. Flowers are subtended by glandular toothed bracteoles. Each flower has 5 green foliaceous sepals, and 5 white petals. The anthers are cream colored and the hypanthium is pubescent. Sepals are glandular-pectinate and equal to or longer than the petals. The fruit is a yellowish pome with 4-5 pyrenes. One Flower Hawthorn is occasionally available from native plant nurseries. It prefers a well-draining soil in full to partial sun. It can be used as a low hedge or border or as a low mounding accent plant. The fruit are consumed by a variety of wildlife.—A. Diamond.
Taxonomic Notes:**
Status:Native
References:Lance, R., 2014. Haws: a guide to hawthorns of the Southeastern United States. Ron Lance (published by the author).

** Not applicable or data not available.

Classification

FamilyROSACEAE - Rose family
Genus Crataegus
Species Crataegus uniflora Münchh. - One Flower Hawthorn; Single Flower Hawthorn; Dwarf Thorn

Citation

Citation Crataegus uniflora Münchhausen, Hausvater 5: 147. 1770.
Basionym: **
Type: USA: GEORGIA: Crawford Co.: Ca. 2 mi. SW of Roberta, 13 Apr 2006, Phipps 9060 (neotype: UWO; isoneotypes: A, BRIT, GA, MO, NCU, US). Neotypified by J. B. Phipps & Dvorsky, Sida 22: 426. 2006.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Crataegus choriophylla Crataegus choriophylla Sargent, J. Arnold Arbor. 3: 201. 1923. FLORIDA: Columbia Co.: Lake City, 12 Jun 1917, Harbison 5687 (holotype: A?).
Crataegus croomiana Crataegus croomiana Sargent, J. Arnold Arbor. 3: 202. 1923. FLORIDA: Leon Co.: Near Tallahassee, 15 Apr 1920, Harbison 5710 (holotype: A?).
Crataegus earlei Crataegus earlei Ashe, Bull. North Carolina Agric. Exp. Sta. 175: 112. 1900. ALABAMA: Cullman Co.:
Crataegus parvifolia var. florida Crataegus parvifolia Aiton, var. florida Loudon, Arbor. Frut. Brit. 2: 842. 1838.  
Crataegus parvifolia var. grossulariifolia Crataegus parvifolia Aiton, var. grossulariifolia Loudon, Arbor. Frut. Brit. 2: 842. 1838.  
Crataegus pentaneura Crataegus pentaneura Ashe, J. Elisha Mitchell Sci. Soc. 19: 12. 1903.  
Crataegus smithii Crataegus smithii Sargent, Trees & Shrubs 1: 67, t. 34. 1903. PENNSYLVANIA: Delaware Co.: Lownes Run, Springfield, 21 May 1902, Smith 201 (lectotype: A). Lectotypified by J. B. Phipps & Dvorsky, Sida 22: 426. 2006.
Crataegus tomentosa var. smithii Crataegus tomentosa Linnaeus, var. smithii (Sargent) Eggleston, Rhodora 10: 79. 1908.Crataegus smithii Sargent 1903. 
Crataegus unilateralis Crataegus unilateralis Persoon, Syn. Pl. 2: 37. 1806.  
Crataegus xanthocarpa Crataegus xanthocarpa (Linnaeus f.) Medikus, Gesch. Bot. 85. 1793.Mespilus xanthocarpa Ehrhart ex Linnaeus f. 1781. 
Crataegus grossiserrata Crataegus grossiserrata Ashe, Bull. North Carolina Agric. Exp. Sta. 175: 112. 1900. FLORIDA
Mespilus azarolus var. aurea Mespilus azarolus (Linnaeus) Allioni, var. aurea (Marshall) Castiglioni, Viagg. Stati Uniti 2: 292. 1790.Mespilus oxyacantha (Linnaeus) Crantz, var. aurea Marshall 1785. 
Mespilus flexispina Mespilus flexispina Moench, Verz. Auslaend. Baeume 62. 1785.  
Mespilus flexuosa Mespilus flexuosa Poiret, in Lamarck, Encycl., Suppl. 4: 73. 1816. SOUTH CAROLINA
Mespilus laciniata Mespilus laciniata Walter, Fl. Carol. 147. 1788. SOUTH CAROLINA:
Mespilus oxyacantha var. aurea Mespilus oxyacantha (Linnaeus) Crantz, var. aurea Marshall, Arbust. Amer. 89. 1785.  
Mespilus parviflora Mespilus parviflora Dumont de Courset, Bot. Cult. 3: 328. 1802, nom. illegit.Crataegus parvifolia Aiton 1789. 
Mespilus parvifolia Mespilus parvifolia (Aiton) Willdenow, Enum. Pl. 523. 1809.Crataegus parvifolia Aiton 1789. 
Mespilus uniflora Mespilus uniflora (Muenchhausen) K. Koch, Dendrologie 1: 141. 1869.Crataegus uniflora Muenchhausen 1770. 
Mespilus unilateralis Mespilus unilateralis (Persoon) Poiret, in Lamarck, Encycl., Suppl. 4: 73. 1816.Crataegus unilateralis Persoon 1806. 
Mespilus xanthocarpa Mespilus xanthocarpa Linnaeus f., Suppl. Pl. 254. 1782.  
Phaenopyrum parvifolium Phaenopyrum parvifolium (Aiton) M. Roemer, Fam. Nat. Syn. Monogr. 3: 152. 1847.Crataegus parvifolia Aiton 1789. 
Phaenopyrum uniflorum Phaenopyrum uniflorum (Muenchhausen) M. Roemer. Fam. Nat. Syn. Monogr. 3: 153. 1847.Crataegus uniflora Muenchhausen 1770. 
Xeromalon obovatum Xeromalon obovatum Rafinesque, New Fl. 3: 12. 1838 ("1836"). MARYLAND
Crataegus arenicola    
Crataegus armentalis Crataegus armentalis Beadle, Biltmore Bot. Stud. 1: 117. 1902. ALABAMA: Marshall Co.: Near Albertville, s.d., Harbison 3281 (lectotype: US). Lectotypified by J. B. Phipps & Dvorsky, Sida 22: 426. 2006.
Crataegus bisulcata Crataegus bisulcata Ashe, Bull. North Carolina Agric. Exp. Sta. 175: 112. 1900. GEORGIA: Crawford Co.: Stone Mountain,
Crataegus brittonii    
Crataegus gregalis Crataegus gregalis Beadle, Biltmore Bot. Stud. 1: 118. 1902. NORTH CAROLINA: Buncombe Co.: Flats of the French Broad River, 18 Sep 1900, Biltmore Herb. 1270b (lectotype: US). Lectotypified by J. B. Phipps & Dvorsky, Sida 22: 426. 2006.
Crataegus parvifolia Crataegus parvifolia Aiton, Hort. Kew. 2: 169. 1789. Without data, Herb. Banks s.n. (lectotype: BM). Lectotypified by J. B. Phipps & Dvorsky, Sida 22: 426. 2006.
Crataegus raleighensis Crataegus raleighensis Ashe, Bull. North Carolina Agric. Exp. Sta. 175: 112. 1900. NORTH CAROLINA: Wake Co.: Raleigh,
Crataegus rhodella    
Crataegus trianthophora Crataegus trianthophora Sargent, Trees & Shrubs 2: 11, t. 106. 1907. MISSOURI: Shannon Co.: Near Grandin, 7 May 1905, Bush 12 (lectotype: A). Lectotypified by J. B. Phipps et al., Harvard Pap. Bot. 11: 195. 2007.

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, Chambers, Chilton, Clarke, Cleburne, Coffee, Conecuh, Coosa, Covington, Crenshaw, Cullman, Dale, Dallas, DeKalb, Elmore, Escambia, Etowah, Franklin, Geneva, Greene, Hale, Jefferson, Lamar, Lee, Lowndes, Macon, Marion, Marshall, Mobile, Monroe, Montgomery, Pike, Randolph, St. Clair, Tallapoosa, Tuscaloosa, Wilcox

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: 1982 - 1989

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
TROY000008311 Dale 01 May 1997 Rundell, Hannelore
107
TROY
Crataegus uniflora Muenchhausen
AUA000022887 Chambers 11 Apr 1967 Golden, Michael
28
AUA
Crataegus Uniflora Muenchh.
JSU130215 Marshall 21 May 1992 Spaulding, Daniel D.
1753
JSU
Crataegus uniflora Muenchhausen
TROY000022938 Chilton 03 May 2005 Diamond, Alvin R.
15293
TROY
Crataegus uniflora Muenchhausen
ALNHS00005703 Butler 28 Mar 2018 Barger, T. Wayne
SP#3632
ALNHS
Crataegus uniflora Muenchh
AUA000022901 Lee 20 Jul 1970 Morris, Kermit
34
AUA
Crataegus Uniflora Muenchh.
UNA00015199 Hale 20 Apr 1987 Burckhalter, Robert
925
UNA
Crataegus uniflora Muenchh.
USAM000013612 Monroe 22 Apr 1975 LeLong, Michel G.
8354
USAM
Crataegus uniflora Muenchhausen
TROY000039384 Elmore 18 May 2014 Diamond, Alvin R.
25105
TROY
Crataegus uniflora Muenchhausen
TROY000024652 Montgomery 27 Apr 2009 Diamond, Alvin R.
20642
TROY
Crataegus uniflora Muenchhausen
UNA00047293 Lamar 18 May 1988 McDaniel, Sidney
29801
UNA
Crataegus uniflora Muenchh.
AUA000022892 Escambia 18 Apr 1969 Burton, Dan
046
AUA
Crataegus Uniflora Muenchh.
UWAL0003770 Wilcox 03 Apr 2008 Keener, Brian R.
4154
UWAL
Crataegus uniflora Muenchh.
JSU130212 Jefferson 12 May 1983 Whetstone, R. David
13138
JSU
Crataegus uniflora Muenchhausen
AUA000022899 Lee 25 Jun 1969 Thornhill, Randy
047
AUA
Crataegus Uniflora Muenchh.
JSU130214 Macon 12 Oct 1973 Wright, D.
101
JSU
Crataegus uniflora Muenchhausen
UNA00034404 Dallas 10 Apr 1982 Gunn, Scott C.
451
UNA
Crataegus uniflora Muenchh.
AUA000028199 Dallas 25 Apr 2013 Barger, T. Wayne
SP924
AUA
Crataegus Uniflora Muenchh.
TROY000022939 Franklin 09 May 2004 Spaulding, Daniel D.
12096
TROY
Crataegus uniflora Muenchhausen
UWAL0053351 Greene 20 Jun 2014 Keener, Brian R.
8492
UWAL
Crataegus uniflora Münchh.
UNA00021867 Bibb 16 Sep 1989 Burckhalter, Robert
1715
UNA
Crataegus uniflora Muenchh.
AUA000022904 Monroe 3 Jul 1972 Hybart, Michael G.
121
AUA
Crataegus Uniflora Muenchh.
UNA00058945 Blount 10 May 1999 Kral, Robert
88283
UNA
Crataegus uniflora Muenchh.
USAM000013634 Mobile 28 Mar 1973 LeLong, Michel G.
6914
USAM
Crataegus uniflora Muenchhausen
TROY000035295 Bullock 27 Jun 2012 Diamond, Alvin R.
23153
TROY
Crataegus uniflora Muenchhausen
AUA000022886 Chambers 23 Jul 1983 Hayes, Sherrad
106
AUA
Crataegus Uniflora Muenchh.
TROY000042736 Lamar 14 Jun 2014 England, J. Kevin
4935
TROY
Crataegus uniflora Muenchhausen
UNA00057655 Bibb 01 Sep 1996 Allison, James R.
9452
UNA
Crataegus uniflora Muenchh.
UWAL0003767 Bibb 23 Apr 1953 Taxonomy Class
s.n.
UWAL
Crataegus uniflora Muenchh.
TROY000038098 Bullock 26 Apr 2012 Dykes, Bailee
627
TROY
Crataegus uniflora Muenchhausen
UWAL0015436 Lamar 14 Jun 2014 England, J. Kevin
4935
UWAL
Crataegus uniflora Muenchhausen
UWAL0044068 Baldwin 17 Aug 2002 Burkhalter, James R.
1283
UWAL
Crataegus uniflora Muenchh.
UNA00064256 Mobile 15 Apr 1898 Mohr, Charles
s.n.
UNA
Crataegus uniflora Muenchh.
USAM000013636 Baldwin 15 May 1976 LeLong, Michel G.
9229
USAM
Crataegus uniflora Muenchhausen
TROY000024664 Montgomery 30 Apr 2009 Diamond, Alvin R.
20661
TROY
Crataegus uniflora Muenchhausen
AUA000022897 Lee 29 May 1964 Stritikus, G.R.
AUA
Crataegus Uniflora Muenchh.
UWAL0012210 Marion 17 Jun 2013 Keener, Brian R.
7900
UWAL
Crataegus uniflora Muenchhausen
TROY000046536 Monroe 27 Apr 1975 Lelong, Michel G.
8437
TROY
Crataegus uniflora Münchh
AUA000022884 Bibb 12 May 1977 Sessler, Ann H.
1308
AUA
Crataegus Uniflora Muenchh.
UNA00064005 Lowndes 21 Aug 2003 Schotz, Alfred
1916
UNA
Crataegus uniflora Muenchh.
JSU130210 Jefferson 13 Jul 1984 Barber, J. Patrick
804
JSU
Crataegus uniflora Muenchhausen
ALNHS00006684 Lee 1 Sep 2019 Barger, T. Wayne
SP#4852
ALNHS
Crataegus uniflora Muench.
TROY000008310 Dale 20 Apr 1998 Rundell, Hannelore
550
TROY
Crataegus uniflora Muenchhausen
AUA000022902 Lowndes 3 Oct 1982 Gunn, Scott C.
1366
AUA
Crataegus Uniflora Muenchh.
JSU130206 Calhoun 3 Jul 1999 Spaulding, Daniel D.
10659
JSU
Crataegus uniflora Muenchhausen
USAM000013635 Monroe 27 Apr 1975 LeLong, Michel G.
8437
USAM
Crataegus uniflora Muenchhausen
TROY000008308 Coffee 10 Apr 2000 Martin, Brian H.
524
TROY
Crataegus uniflora Muenchhausen
ALNHS00001781 Coosa 30 Apr 2013 Barger, T. Wayne
SP#941
ALNHS
Crataegus uniflora Muenchh.
AUA000022891 DeKalb 24 Jul 1970 Morris, Kermit
093
AUA
Crataegus Uniflora Muenchh.
UNA00015200 Clarke 08 May 1987 Burckhalter, Robert
990
UNA
Crataegus uniflora Muenchh.
AUA000022903 Macon 29 Apr 1969 Freeman, John D.
695
AUA
Crataegus Uniflora Muenchh.
TROY000040961 Marion 17 Jun 2013 Keener, Brian R.
7900
TROY
Crataegus uniflora Muenchhausen
TROY000052085 Autauga 27 Apr 2021 Diamond, Alvin R.
29600
TROY
Crataegus uniflora Münchh.
UNA00065078 Franklin 09 May 2004 Spaulding, Daniel D.
12096
UNA
Crataegus uniflora Muenchh.
AUA000022894 Lee 30 Oct 1971 Harper, Douglas
145
AUA
Crataegus Uniflora Muenchh.
JSU145769 Cleburne 12 Aug 1992 Hutchinson, Francine
754
JSU
Crataegus uniflora Muenchhausen
JSU130217 St. Clair 12 May 1983 Whetstone, R. David
13178
JSU
Crataegus uniflora Muenchhausen
USAM000013631 Covington 27 Apr 1969 Kral, Robert
34546
USAM
Crataegus uniflora Muenchhausen
UNA00055666 Blount 06 Jun 1998 Keener, Brian R.
908
UNA
Crataegus uniflora Muenchh.
AUA000022907 Tallapoosa 4 Oct 1997 Tyler, Patricia J.
TYLER162
AUA
Crataegus Uniflora Muenchh.
TROY000041986 Geneva 08 May 2015 Diamond, Alvin R.
26317
TROY
Crataegus uniflora Muenchhausen
UWAL0008597 Butler 10 Apr 2011 Diamond, Alvin R.
21890
UWAL
Crataegus uniflora Muenchhausen
TROY000022942 Tuscaloosa 11 May 2003 Spaulding, Daniel D.
11843
TROY
Crataegus uniflora Muenchhausen
TROY000032464 Butler 10 Apr 2011 Diamond, Alvin R.
21890
TROY
Crataegus uniflora Muenchhausen
AUA000022895 Lee 17 May 1962 Jones, Jr., Ralph R.
AUA
Crataegus Uniflora Muenchh.
USAM000013633 Mobile 29 Apr 1972 LeLong, Michel G.
6493
USAM
Crataegus uniflora Muenchhausen
TROY000008313 Monroe 27 Sep 2007 Diamond, Alvin R.
18333
TROY
Crataegus uniflora Muenchhausen
AUA000022900 Lee 16 Apr 1966 Searcy, James W.
AUA
Crataegus Uniflora Muenchh.
UNA00064254 Tallapoosa 06 Oct 1973 Pringle, G.
72
UNA
Crataegus uniflora Muenchh.
UNA00067207 Geneva 20 May 2007 Diamond, Alvin R.
17616
UNA
Crataegus uniflora Muenchh.
AUA000022885 Bullock 11 Sep 1987 Diamond, Alvin R.
3574
AUA
Crataegus Uniflora Muenchh.
UWAL0031303 St. Clair 31 May 2015 Keener, Brian R.
8933
UWAL
Crataegus uniflora Muenchh.
TROY000033599 Barbour 27 Aug 2011 Dykes, Bailee
60
TROY
Crataegus uniflora Muenchhausen
JSU130213 Lee 17 Apr 1964 Bozarth, Gene A.
s.n.
JSU
Crataegus uniflora Muenchhausen
UWAL0048279 Bullock 08 Jul 2017 Horne, Howard E.
4024
UWAL
Crataegus uniflora Muenchhausen
UNA00064255 6 Apr 1897 Mohr, Charles
s.n.
UNA
Crataegus uniflora Muenchh.
USAM000013613 Baldwin 15 May 1976 LeLong, Michel G.
9244
USAM
Crataegus uniflora Muenchhausen
TROY000022937 Blount 06 Jun 1998 Keener, Brian R.
908
TROY
Crataegus uniflora Muenchhausen
JSU130209 Etowah 23 Apr 1994 Hodge, Lesley M.
1204
JSU
Crataegus uniflora Muenchhausen
UWAL0038495 Monroe 27 Apr 1975 LeLong, Michel G.
8438
UWAL
Crataegus uniflora Muenchhausen
UNA00064214 Tuscaloosa 14 Jun 1952 Chermock, Ralph L.
s.n.
UNA
Crataegus uniflora Muenchh.
JSU138692 Calhoun 20 Jul 1986 Lawler, Carol L.
775
JSU
Crataegus uniflora Muenchhausen
AUA000022883 Bibb 14 Apr 1977 Sessler, Ann H.
1004
AUA
Crataegus Uniflora Muenchh.
UNA00064207 Tuscaloosa 31 May 1952 Williams, B.C.
s.n.
UNA
Crataegus uniflora Muenchh.
TROY000022941 St. Clair 16 May 1980 Kral, Robert
65104
TROY
Crataegus uniflora Muenchhausen
AUA000022906 Pike 15 Apr 1994 Diamond, Alvin R.
9065
AUA
Crataegus Uniflora Muenchh.
JSU130211 Jefferson 12 May 1983 De Fiori, Cecilia M.
090
JSU
Crataegus uniflora Muenchhausen
UNA00054111 Blount 10 May 1998 Keener, Brian R.
762
UNA
Crataegus uniflora Muenchh.
JSU130216 Randolph 6 Oct 1983 Nixon, Christopher F.
463
JSU
Crataegus uniflora Muenchhausen
UNA00064212 Bibb 23 Apr 1953 Unknown
s.n.
UNA
Crataegus uniflora Muenchh.
AUA000022905 Monroe 2 Sep 1986 Diamond, Alvin R.
2820
AUA
Crataegus Uniflora Muenchh.
UNA00064209 Tuscaloosa 07 Oct 1982 Burckhalter, Robert
15
UNA
Crataegus uniflora Muenchh.
JSU130208 DeKalb 16 May 1992 Spaulding, Daniel D.
1667
JSU
Crataegus uniflora Muenchhausen
TROY000008309 Conecuh 02 Jun 2001 Diamond, Alvin R.
12464
TROY
Crataegus uniflora Muenchhausen
UNA00064215 St. Clair 24 Jun 1951 Hollis, C.G.
s.n.
UNA
Crataegus uniflora Muenchh.
USAM000013632 Marion 11 May 1968 LeLong, Michel G.
4560
USAM
Crataegus uniflora Muenchhausen
UWAL0016275 Elmore 18 May 2014 Diamond, Alvin R.
25105
UWAL
Crataegus uniflora Muenchhausen
UNA00064206 Hale 06 Jul 1966 Williams, Norris H.
337
UNA
Crataegus uniflora Muenchh.
JSU130207 Cullman 12 Jun 1976 Whetstone, R. David
8547
JSU
Crataegus uniflora Muenchhausen
AUA000022898 Lee 25 Apr 1951 Welch, Bruce L.
AUA
Crataegus Uniflora Muenchh.
TROY000008312 Geneva 20 May 2007 Diamond, Alvin R.
17616
TROY
Crataegus uniflora Muenchhausen
AUA000022888 Chilton 3 May 2005 Diamond, Alvin R.
15293
AUA
Crataegus Uniflora Muenchh.
ALNHS00006581 Bibb 14 May 2019 Barger, T. Wayne
SP#3831
ALNHS
Crataegus uniflora Muenchh.
UWAL0004933 Butler 10 Jun 2011 Diamond, Alvin R.
22220
UWAL
Crataegus uniflora Muenchhausen
UNA00058141 Blount 23 May 1998 Keener, Brian R.
818
UNA
Crataegus uniflora Muenchh.
TROY000033118 Butler 10 Jun 2011 Diamond, Alvin R.
22220
TROY
Crataegus uniflora Muenchhausen
AUA000022893 Franklin 9 May 2004 Spaulding, Daniel D.
12096
AUA
Crataegus Uniflora Muenchh.
AUA000022889 Crenshaw 19 Apr 1992 Diamond, Alvin R.
8149
AUA
Crataegus Uniflora Muenchh.
TROY000022940 Marion 28 May 1972 Kral, Robert
46798
TROY
Crataegus uniflora Muenchhausen
AUA000022896 Lee 10 Apr 1976 Sessler, Ann H.
014
AUA
Crataegus Uniflora Muenchh.
UNA00064210 Marshall 23 Apr 1977 Ross, Larry J.
107
UNA
Crataegus uniflora Muenchh.
SAMF0006600 Greene 20 Jun 2014 Davenport, Lawrence J.
5613
SAMF
Crataegus uniflora Muenchhausen
ALNHS00005704 St. Clair 02 May 2018 Barger, T. Wayne
SP#3783
ALNHS
Crataegus uniflora Muenchh
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