Euphorbia dentata

Family:EUPHORBIACEAE
Species:Euphorbia dentata Michaux
Common Name:Toothed Spurge; Toothleaf Poinsettia
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:**
Category:Vascular
USDA Symbol:**
Plant Notes:Toothed Spurge is an introduced annual plant in the Spurge family (Euphorbiaceae). It is native from northern Mexico north through the south-central United States and east to the Ohio River Valley. Toothed Spurge can be found throughout Alabama, but is most common in northern Alabama and the Black Belt region of central Alabama. Toothed Spurge grows on roadsides, along railroad tracks, in prairies and cedar glades, in fallow fields, and in other open disturbed sites. It is an annual from a tap root. Stems are erect, branched, green in color, inconspicuously pubescent, and one to three feet in height. The leaves are opposite, petiolate, narrowly lanceolate to suborbiculate in outline, broadest below the middle, pubescent, with coarsely toothed margins. The sap is a milky latex that dries when exposed to the air, sealing wounds. The flowers are extremely reduced, lacking petals and sepals, and are produced in a terminal inflorescence known as a cyathium. This consists of a cup-like receptacle with one female flower, 8-10 male flowers, and two nectar glands. It is surrounded by pale green or whitish (sometimes spotted with purple-red) modified leaves known as bracts. The fruit is a three lobed capsule.—A. Diamond
Taxonomic Notes:**
Status:Not Native, G5 (Global Rank)
References:**

** Not applicable or data not available.

Classification

FamilyEUPHORBIACEAE - Spurge family
Genus Euphorbia
Species Euphorbia dentata Michaux - Toothed Spurge; Toothleaf Poinsettia

Citation

Citation Euphorbia dentata Michaux, Fl. Bor.-Amer. 2: 211. 1803.
Basionym: **
Type: TENNESSEE: Davidson Co.: Near Nashville, s.d., Michaux s.n. (holotype: P?).

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Poinsettia dentata POINSETTIA DENTATA (Michaux) Klotzsch & Garcke ex Klotzsch, Monatsber. Königl. Preuss. Akad. Wiss. Berlin 1859: 253. 1859.  

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: Blount, Bullock, Butler, Clay, Colbert, Conecuh, Crenshaw, Cullman, Etowah, Franklin, Jackson, Jefferson, Lamar, Lauderdale, Lawrence, Lee, Limestone, Lowndes, Madison, Marengo, Marion, Marshall, Mobile, Montgomery, Morgan, Pickens, Shelby, St. Clair, Sumter, Walker, Wilcox

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: -

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
UWAL0012226 Montgomery 28 Apr 2011 Keener, Brian R.
6420
UWAL
Euphorbia dentata Michaux
UNA00065775 Lowndes 11 Aug 2006 Alvin R. Diamond
16769
UNA
Euphorbia dentata Michx.
UNA00059391 Jackson 9 Jun 2002 D. D. Spaulding
11367
UNA
Euphorbia dentata Michx.
JSU124276 Jefferson 17 Sep 1982 R. D. Whetstone
12476
JSU
Euphorbia dentata Michaux
TROY000034360 Sumter 27 Sep 2009 Brian R. Keener
5464
TROY
Euphorbia dentata Michaux
TROY000018991 Jackson 09 Jun 2002 Daniel D. Spaulding
11367
TROY
Euphorbia dentata Michaux
JSU124269 Jackson 29 Jun 1996 J. M. Ballard
6032
JSU
Euphorbia dentata Michaux
UWAL0016989 Mobile 15 Sep 2013 Horne, Howard E.
2393
UWAL
Euphorbia dentata Michaux
JSU124285 Marshall 25 Sep 1992 D. D. Spaulding
3137
JSU
Euphorbia dentata Michaux
UWAL0007601 Sumter 27 Sep 2009 Keener, Brian R.
5464
UWAL
Euphorbia dentata Michx.
UNA00065739 Butler 19 Aug 2006 Alvin R. Diamond
16805
UNA
Euphorbia dentata Michx.
JSU124268 Etowah 18 Oct 1975 R. D. Whetstone
7148
JSU
Euphorbia dentata Michaux
TROY000029787 Sumter 26 Oct 2007 Daniel D. Spaulding
12787
TROY
Euphorbia dentata Michaux
TROY000004704 Butler 29 Jul 2001 Alvin R. Diamond
12576
TROY
Euphorbia dentata Michaux
UNA00069355 Marengo 16 Sep 2008 Kevin England
1146
UNA
Euphorbia dentata Michx.
TROY000018995 St. Clair 19 Jun 2002 Daniel D. Spaulding
11405
TROY
Euphorbia dentata Michaux var. dentata
JSU124262 Clay 4 Oct 1994 J. M. Ballard
5196
JSU
Euphorbia dentata Michaux
AUA000040056 Lawrence 05 Oct 1940 MORGAN, M.
AUA
EUPHORBIA DENTATA MICHX.
JSU124284 Marshall 30 Jul 1992 D. D. Spaulding
2504
JSU
Euphorbia dentata Michaux
UWAL0037850 Limestone 04 Jul 2017 Spaulding, Daniel D.
14822
UWAL
Euphorbia dentata Michx.
UNA00054305 Blount 11 Jul 1998 Brian R. Keener
1190
UNA
Euphorbia dentata Michx.
JSU124263 Cullman 20 Jun 1975 R. D. Whetstone
4871
JSU
Euphorbia dentata Michaux
AUA_ACC072942 Lauderdale 13 AUG 2009 HOLT, BRIAN D.
SC-144
AUA
EUPHORBIA DENTATA MICHAUX
UWAL0034051 Pickens 11 Sep 2011 Keener, Brian R.
6699
UWAL
Euphorbia dentata Michx.
TROY000018899 Marengo 16 Sep 2008 J. Kevin England
1146
TROY
Euphorbia dentata Michaux
UNA00009473 Franklin 21 Sep 1939 Roland M. Harper
3758
UNA
Euphorbia dentata Michx.
TROY000018992 Jefferson 25 Jul 2002 Daniel D. Spaulding
11480
TROY
Euphorbia dentata Michaux
JSU124279 Jefferson 28 May 1984 J. P. Barber
421
JSU
Euphorbia dentata Michaux
TROY000048229 Conecuh 18 May 2019 Alvin R. Diamond
28932
TROY
Euphorbia dentata Michaux
JSU124264 Cullman 4 Jul 1997 D. D. Spaulding
9668
JSU
Euphorbia dentata Michaux
UNA00059355 St. Clair 19 Jun 2002 D. D. Spaulding
11405
UNA
Euphorbia dentata Michx.
JSU124274 Jackson 28 Jul 1975 R. D. Whetstone
5328
JSU
Euphorbia dentata Michaux
JSU124283 Madison 15 Oct 1975 R. D. Whetstone
7025
JSU
Euphorbia dentata Michaux
TROY000018993 Lamar 28 Jul 2002 Brian R. Keener
2318
TROY
Euphorbia dentata Michaux
JSU124270 Jackson 9 Oct 1998 K. R. Brodeur
1496
JSU
Euphorbia dentata Michaux
UWAL0012636 Bullock 02 Nov 2012 Dykes, Bailee
1425
UWAL
Euphorbia dentata Michaux
JSU124261 Clay 19 Oct 1996 J. M. Ballard
7014
JSU
Euphorbia dentata Michaux
AUA_ACC071856 Jefferson 14 AUG 2012 BARGER, T. WAYNE
686
AUA
EUPHORBIA DENTATA MICHAUX
UNA00058653 Lamar 28 Jul 2002 Brian R. Keener
2318
UNA
Euphorbia dentata Michx.
JSU124281 Limestone 26 May 1996 R. D. Whetstone
17779
JSU
Euphorbia dentata Michaux
JSU124287 Shelby 10 Sep 1982 R. D. Whetstone
12313
JSU
Euphorbia dentata Michaux
UWAL0007600 Marengo 16 Sep 2008 England, J. Kevin
1146
UWAL
Euphorbia dentata Michx.
JSU124271 Jackson 9 Oct 1998 K. R. Brodeur
1496
JSU
Euphorbia dentata Michaux
UWAL0034124 Marion 06 Sep 2015 Spaulding, Dan
14434
UWAL
Euphorbia dentata Michx.
TROY000004705 Lowndes 11 Aug 2006 Alvin R. Diamond
16769
TROY
Euphorbia dentata Michaux
TROY000004703 Butler 19 Aug 2006 Alvin R. Diamond
16805
TROY
Euphorbia dentata Michaux
UWAL0007599 Cullman 15 Aug 2008 Keener, Brian R.
4775
UWAL
Euphorbia dentata Michx.
UNA00053822 Blount 26 May 1997 Brian R. Keener
170
UNA
Euphorbia dentata Michx.
JSU124265 Cullman 20 Jun 1975 R. D. Whetstone
4871
JSU
Euphorbia dentata Michaux
UWAL0012657 St. Clair 16 Jun 2012 Spaulding, Dan
13601
UWAL
Euphorbia dentata Michaux
JSU124273 Jackson 15 Jul 1998 K. R. Brodeur
1006
JSU
Euphorbia dentata Michaux
UWAL0036571 Morgan 21 Jul 2017 England, J. Kevin
8266
UWAL
Euphorbia dentata Michaux
TROY000041590a Montgomery 03 Aug 2014 Alvin R. Diamond
25426
TROY
Euphorbia dentata Michaux
JSU124275 Jefferson 28 May 1984 J. P. Barber
436
JSU
Euphorbia dentata Michaux
AUA000038104 Morgan 21 Jul 2017 ENGLAND, J. KEVIN
8266
AUA
EUPHORBIA DENTATA MICHX.
UWAL0016337 Montgomery 03 Aug 2014 Diamond, Alvin R.
25426
UWAL
Euphorbia dentata Michaux
UNA00059481 Shelby 7 Sep 2002 D. D. Spaulding
11557
UNA
Euphorbia dentata Michx.
TROY000018898 Crenshaw 01 Jul 2008 Alvin R. Diamond
19515
TROY
Euphorbia dentata Michaux
JSU124278 Jefferson 17 Oct 1975 R. D. Whetstone
7288
JSU
Euphorbia dentata Michaux
JSU124266 Etowah 19 Jun 1994 L. M. Hodge
2650
JSU
Euphorbia dentata Michaux
TROY000018994 Shelby 07 Sep 2002 Daniel D. Spaulding
11557
TROY
Euphorbia dentata Michaux
JSU124280 Limestone 29 Jun 1996 J. M. Ballard
5987
JSU
Euphorbia dentata Michaux
UWAL0014395 Colbert 26 Jun 2014 England, J. Kevin
5021
UWAL
Euphorbia dentata Michaux
JSU124286 Morgan 15 Sep 1996 D. D. Spaulding
9173
JSU
Euphorbia dentata Michaux
UNA00059317 Jefferson 25 Jul 2002 D. D. Spaulding
11480
UNA
Euphorbia dentata Michx.
TROY000004706 Wilcox 09 Oct 2006 Alvin R. Diamond
17069
TROY
Euphorbia dentata Michaux
JSU124277 Jefferson 17 Oct 1975 R. D. Whetstone
7288
JSU
Euphorbia dentata Michaux
JSU124267 Etowah 8 Oct 1995 L. Hodge-Spaulding
4407
JSU
Euphorbia dentata Michaux
UWAL0007602 Walker 20 Jul 2002 Keener, Brian R.
2282
UWAL
Euphorbia dentata Michx.
JSU124272 Jackson 24 Oct 1992 J. M. Ballard
782
JSU
Euphorbia dentata Michaux
AUA_ACC020833 Lee 11 AUG 1970 MORRIS, KERMIT
127
AUA
EUPHORBIA DENTATA MICHAUX
JSU124282 Madison 11 Sep 1994 D. D. Spaulding
6253
JSU
Euphorbia dentata Michaux
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