Rumex verticillatus

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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:POLYGONACEAE
Species:Rumex verticillatus L.
Common Name:Swamp Dock; Whorled Water Dock
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:RUVE3
Plant Notes:Swamp Dock is a native herbaceous perennial in the Buckwheat family (Polygonaceae). It can be found in scattered locations across Alabama but is most common in the Black Belt region. Swamp Dock occurs in wooded swamps, around sloughs, along slow-moving streams, in swamps, and in wet roadside ditches. It is almost always found in shallow standing water. It is a perennial with a large tap root. Stems are usually solitary, unbranched below the inflorescence, erect, and 1-2 feet in length. The stems are green in color and glabrous. Leaves are alternate, petiolate, lanceolate in outline, glabrous, with entire, slightly undulate margins. At the base of each petiole there is a papery sheath that wraps around the stem (the ocreae). Flowers are produced in terminal panicles consisting of whorls of staminate and pistillate flowers. The flowers and fruit are on reflexed peduncles that are approximately 1-inch long. The flowers have 3 inner tepals that are ovate triangular in outline, longer than wide, with entire margins. The 3 outer sepals are keeled. The fruit is an achene. In fruit the outer 3 sepals enlarge and have a prominent midrib tubercle and are transversely wrinkled. The fruit of Swamp Dock is consumed by ducks and other waterfowl.--A. Diamond
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

FamilyPOLYGONACEAE - Buckwheat family
Genus Rumex
Species Rumex verticillatus L. - Swamp Dock; Whorled Water Dock

Citation

Citation Rumex verticillatus Linnaeus, Sp. Pl. 1: 334. 1753.
Basionym: **
Type: Without data (lectotype: LINN 464.5). Lectotypified by J.L. Reveal & C.E. Jarvis, Taxon 58: 981. 2009.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Lapathum verticillatum Lapathum verticillatum (Linnaeus) Nieuwland, Amer. Midl. Naturalist 3: 237. 1914.Rumex verticillatus Linnaeus 1753. 
Rumex fascicularis Rumex fascicularis Small, Bull. Torrey Bot. Club 22: 367, pl. 246. 1895. FLORIDA: Lake Co.: Marshy shore of Lake Harris, near Eldorado, 1-15 Jun 1884, Nash 898 (holotype: NY).
Rumex floridanus Rumex floridanus Meisner, in de Candolle, Prodr. 14: 46. 1856. FLORIDA: Manatee Co.(?): Manatee River, s.d., Rugel s.n. (holotype: BM?; isotype: NY).
Rumex hydrolapathum var. floridanus Rumex hydrolapathum Hudson, var. floridanus A. W. Wood, Amer. Bot. Fl. 281. 1870. FLORIDA

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, Bullock, Crenshaw, Dallas, Greene, Houston, Lee, Limestone, Lowndes, Mobile, Montgomery, Morgan, Perry, Pike, Talladega

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1896 - 2020

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
AUA_ACC_19560 Lee 13 Apr 1969 Moore, Harold D.
96-69		 AUA
Rumex Verticillatus L.
TROY000038735 Bullock 20 Jun 2013 Dykes, Bailee
1641		 TROY
Rumex verticillatus Linnaeus
UNA00010201 Greene 25 Apr 1967 Naugle, Helen E.
G 244		 UNA
Rumex verticillatus L.
ALNHS00000395 Dallas 24 May 2010 Barger, T. Wayne
OC-177		 ALNHS
Rumex verticillatus L.
ALNHS00004896 Baldwin 11 May 2017 Barger, T. Wayne
SP#3109		 ALNHS
Rumex verticillatus L.
AUA_ACC_55303 Pike 9 May 1995 Diamond, Alvin R.
9551		 AUA
Rumex Verticillatus L.
UWAL0043649 Baldwin 22 Apr 2003 Larsen, Harry S.
1243		 UWAL
Rumex verticillatus L.
NY02409965 Mobile April Charles T. Mohr
s.n.		 NY
Rumex verticillatus Linnaeus
TROY000031701 Montgomery 11 Jun 2010 Diamond, Alvin R.
21383		 TROY
Rumex verticillatus Linnaeus
AUA000038387 Morgan 10 Jun 2017 England, J. Kevin
7997		 AUA
Rumex Verticillatus L.
AUA_ACC_33947 Perry 9 May 1977 Sessler, Ann H.
1237		 AUA
Rumex Verticillatus L.
UWAL0035108 Morgan 10 Jun 2017 England, J. Kevin
7997		 UWAL
Rumex verticillatus Linnaeus
UNA00010216 Mobile _ May 1890 Mohr, Charles
s.n.		 UNA
Rumex verticillatus L.
AUA_ACC_59089 Crenshaw 30 Apr 2000 Diamond, Alvin R.
11678		 AUA
Rumex Verticillatus L.
UNA00010211 Baldwin 29 Apr 1947 Lueth, Francis X.
L33		 UNA
Rumex verticillatus L.
UNA00047107 Houston 16 Jun 1997 MacDonald, John R.
10710		 UNA
Rumex verticillatus L.
UNA00010195 Montgomery 05 Jun 1969 Thomas, Joab L.
2142		 UNA
Rumex verticillatus L.
ALNHS00000738 Mobile 04 Apr 2010 Barger, T. Wayne
SP#271		 ALNHS
Rumex verticillatus L.
UNA00010200 Mobile 10 May 1896 Mohr, Charles
s.n.		 UNA
Rumex verticillatus L.
JSU139945 Dallas 24 May 2010 Barger, T. Wayne
OC177		 JSU
Rumex verticillatus Linnaeus
UNA00010206 Greene 01 May 1980 Wiersema, John H.
1632		 UNA
Rumex verticillatus L.
AUA_ACC_39389 Lowndes 13 Jul 1982 Gunn, Scott C.
888		 AUA
Rumex Verticillatus L.
UWAL0014094 Bullock 20 Jun 2013 Dykes, Bailee
1641		 UWAL
Rumex verticillatus Linnaeus
JSU140098 Limestone 29 Jun 1996 Ballard, J. Mark
5958		 JSU
Rumex verticillatus Linnaeus
UNA00010211 Baldwin 29 Apr 1947 Lueth, Francis X.
L33		 UNA
Rumex verticillatus L.
UWAL0056746 Morgan 03 May 2020 England, Kevin J.
10961		 UWAL
Rumex verticillatus L.
ALNHS00000487 Dallas 24 May 2010 Barger, T. Wayne
OC-177		 ALNHS
Rumex verticillatus L.
UNA00010221 26 May 1896 Mohr, Charles
s.n.		 UNA
Rumex verticillatus L.
JSU140099 Talladega 26 May 1993 Whetstone, R. David
16736		 JSU
Rumex verticillatus Linnaeus
UNA00010226 Baldwin _ Apr 1879 Mohr, Charles
s.n.		 UNA
Rumex verticillatus L.
USAM000013142 Mobile 07 Aug 1981 LeLong, Michel G.
12217		 USAM
Rumex verticillatus Linnaeus
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