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, Marshall, 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
UNA00010226 Baldwin _ Apr 1879 Mohr, Charles
s.n.		 UNA
Rumex verticillatus L.
UNA00010211 Baldwin 29 Apr 1947 Lueth, Francis X.
L33		 UNA
Rumex verticillatus L.
UNA00010211 Baldwin 29 Apr 1947 Lueth, Francis X.
L33		 UNA
Rumex verticillatus L.
UWAL0043649 Baldwin 22 Apr 2003 Larsen, Harry S.
1243		 UWAL
Rumex verticillatus L.
ALNHS00004896 Baldwin 11 May 2017 Barger, T. Wayne
SP#3109		 ALNHS
Rumex verticillatus L.
TROY000038735 Bullock 20 Jun 2013 Dykes, Bailee
1641		 TROY
Rumex verticillatus Linnaeus
UWAL0014094 Bullock 20 Jun 2013 Dykes, Bailee
1641		 UWAL
Rumex verticillatus Linnaeus
AUA_ACC_59089 Crenshaw 30 Apr 2000 DIAMOND, JR., ALVIN R.
11678		 AUA
RUMEX VERTICILLATUS L.
ALNHS00000395 Dallas 24 May 2010 Barger, T. Wayne
OC-177		 ALNHS
Rumex verticillatus L.
JSU139945 Dallas 24 May 2010 Barger, T. Wayne
OC177		 JSU
Rumex verticillatus Linnaeus
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