Boerhavia diffusa

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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:NYCTAGINACEAE
Species:Boerhavia diffusa L.
Common Name:Red Spiderling; Spreading Hogweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:Red Spiderling is an introduced herbaceous perennial in the Four-O'clock family (Nyctaginaceae). It is part of a pantropical complex and its native distribution is uncertain. In Alabama Red Spiderling has been collected from the southern third of the state. Red Spiderling occurs along railroads, in cracks in parking lots and sidewalks, on vacant lots, and on roadsides. It is a perennial with a tick fusiform taproot. Stems are ascending to decumbent, much branched, green or purplish in color, and glabrous or minutely pubescent. Leaves are opposite, petiolate, ovate to lanceolate in outline, with wavy margins. The leaves are dark green above and pale green below. The leaves may be glabrous or minutely pubescent on both surfaces. Flowers are produced in axillary or terminal inflorescences. The inflorescences are much branched, occasionally with sticky bands between the nodes. They terminate in compact clusters of 2-5 flowers. Individual flowers are short stalked and bell shaped with 5 spreading lobes on the corolla. The corolla is purplish-red or reddish-pink in color. The fruit is club shaped with 5 ribs. It is stipitate-glandular on the ribs.—A. Diamond
Taxonomic Notes:**
Status:Not Native
References:**

** Not applicable or data not available.

Classification

FamilyNYCTAGINACEAE - Four-O'clock family
Genus Boerhavia
Species Boerhavia diffusa L. - Red Spiderling; Spreading Hogweed

Citation

Citation Boerhavia diffusa Linnaeus, Sp. Pl. 1: 3. 1753., nom. cons.
Basionym: **
Type: VIRGIN ISLANDS: St. Croix: Teague Bay, West Indies Laboratory, 30 May 1977, Fosberg 56776 (holotype: BM; isotypes: B, BISH, GH, K, MO, NSW, NY, P, US, VIST), typ. cons.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Boerhavia adscendens Boerhavia adscendens Willdenow, Sp. Pl. 1: 19. 1797.  
Boerhavia coccinea var. paniculata Boerhavia coccinea Miller, var. paniculata (Richard) Moscoso, Cat. Fl. Doming. 180. 1943.Boerhavia paniculata Richard 1792. 
Boerhavia decumbens Boerhavia decumbens Vahl, Enum. Pl. 1: 284. 1804, nom. illegit.Boerhavia paniculata Richard 1792. 
Boerhavia diffusa var. normalis Boerhavia diffusa Linnaeus, var. normalis Kuntze, Revis. Gen. Pl. 2: 533. 1891, nom. inadmiss.Boerhavia diffusa Linnaeus 1753. 
Boerhavia glandulosa Boerhavia glandulosa Andersson, Kongl. Svenska Vetenskapsakad. Handl. 1853: 171. 1854.  
Boerhavia laxa Boerhavia laxa Persoon, Syn. Pl. 1: 36. 1805, nom. illegit.Boerhavia paniculata Richard 1792. 
Boerhavia paniculata Boerhavia paniculata Richard, Actes Soc. Hist. Nat. Paris 1: 105. 1792. FRENCH GUIANA: Without data, LeBlond s.n. (holotype: P).
Boerhavia polymorpha Boerhavia polymorpha Richard, Actes Soc. Hist. Nat. Paris 1: 185. 1792.  
Boerhavia sonorae Boerhavia sonorae Rose, Contr. U.S. Natl. Herb. 1: 111. 1891. MEXICO: Sonora: Alamos, 16030 Sep 1890, Palmer 715 (holotype: US).

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, Butler, Coffee, Covington, Houston, Mobile, Pike

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: -

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0054301 Mobile 15 Dec 2021 Keener, Brian R.
12354		 UWAL
Boerhavia diffusa L.
AUA_ACC_72951 Mobile 28 Jun 2014 Horne, Howard E.
2598		 AUA
Boerhavia Diffusa L.
TROY000033761 Butler 17 Nov 2011 Diamond, Alvin R.
22700		 TROY
Boerhavia diffusia Linnaeus
TROY000040940 Baldwin 18 Sep 2011 Keener, Brian R.
6724		 TROY
Boerhavia diffusa Linnaeus
ALNHS00001489 Baldwin 12 Sep 2012 Barger, T. Wayne
SP#775		 ALNHS
Boerhavia diffusa L.
UWAL0014594 Baldwin 02 Jul 2012 England, J. Kevin
3598		 UWAL
Boerhavia diffusa Linnaeus
TROY000007223 Pike 10 Jul 2001 Diamond, Alvin R.
12521		 TROY
Boerhavia diffusa Linnaeus
TROY000043222 Houston 15 Oct 2015 Diamond, Alvin R.
26909		 TROY
Boerhavia diffusa Linnaeus
UWAL0011762 Baldwin 19 Sep 2011 Keener, Brian R.
6746		 UWAL
Boerhavia diffusa Linnaeus
UWAL0016022 Covington 03 Nov 2012 Diamond, Alvin R.
23546		 UWAL
Boerhavia diffusa Linnaeus
ALNHS00001523 Mobile 10 Oct 2012 Barger, T. Wayne
SP#849		 ALNHS
Boerhavia diffusa L.
UWAL0010603 Butler 17 Nov 2011 Diamond, Alvin R.
22700		 UWAL
Boerhavia diffusa Linnaeus
TROY000036263 Covington 03 Nov 2012 Diamond, Alvin R.
23546		 TROY
Boerhavia diffusa Linnaeus
TROY000044973 Coffee 18 Jun 2017 Diamond, Alvin R.
27851		 TROY
Boerhavia diffusa Linnaeus
TROY000040856 Baldwin 19 Sep 2011 Keener, Brian R.
6746		 TROY
Boerhavia diffusa Linnaeus
UWAL0011767 Baldwin 18 Sep 2011 Keener, Brian R.
6724		 UWAL
Boerhavia diffusa Linnaeus
UWAL0042800 Baldwin 23 Aug 2001 Larsen, Harry S.
925		 UWAL
Boerhavia diffusa L.
UWAL0039926 Coffee 18 Jun 2017 Diamond, Alvin R.
27851		 UWAL
Boerhavia diffusa Linnaeus
UWAL0032051 Houston 15 Oct 2015 Diamond, Alvin R.
26909		 UWAL
Boerhavia diffusa Linnaeus
TROY000034012 Baldwin 29 Oct 2008 Spaulding, Daniel D.
13005		 TROY
Boerhavia diffusa Linnaeus
UWAL0002310 Baldwin 29 Oct 2008 Spaulding, Daniel D.
13105		 UWAL
Boerhavia diffusa L.
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