Verbena incompta

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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:VERBENACEAE
Species:Verbena incompta P.W. Michael
Common Name:Clasping Verbena
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Clasping Verbena is an introduced, weedy herbaceous annual or short-lived perennial in the Verbena family (VERBENACEAE). It is native to South America. In Alabama it can be found in the southern half of the state. Clasping Verbena grows in disturbed areas such as on roadsides, in fields, in clear-cuts, and under bridges. It is an annual or short-lived perennial from a tap root. Stems are erect, clumped, 3-5 feet in height, square in cross section, green in color, scabrous, and eglandular. The dark green leaves are basal and cauline. The stem leaves are opposite, sessile and clasp the stem. The leaves are lanceolate to elliptic or ovate in outline, pubescent on both surfaces, with coarsely serrate margins. Flowers are produced in dense purplish spikes arranged in compound cymes. The central spike is sessile. Each flower is subtended by a keeled, ovate or lanceolate floral bract that is slightly longer than the calyx, with ciliate margins. The corolla has a tubular portion with 5 spreading lobes. It is purple to blue or white in color. The fruit is a nutlet. Clasping Verbena is very similar to Purple Top Vervain (Verbena bonariensis Linnaeus), and has been treated as a variety of that species. Purple Top Vervain differs in having a much longer corolla tube, larger flowers, and glandular peduncles and calyx. Clasping Verbena is a larger, more robust plant than Purple Top Vervain. Although weedy and not very showy, the flowers of Clasping Verbena are visited by large numbers of insects including many bees and butterflies.—A. Diamond.
Taxonomic Notes:**
Status:Not Native, FAC+ (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyVERBENACEAE - Verbena family
Genus Verbena
Species Verbena incompta P.W. Michael - Clasping Verbena

Citation

Citation Verbena incompta P.W. Michael, Telopea 6(2–3): 181–183. 1995.
Basionym: **
Type: AUSTRALIA: VICTORIA: Bright-Tawonga Rd. 6 miles (9.7 km) ESE of Bright, c. 2 miles (3.2 km) E of Tawonga-Harrietville road fork, 25 Mar 1964, R.V. Smith 64/64 (holotype: MEL; isotype: NSW).

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Verbena bonariensis var. brevibracteata Verbena bonariensis Linnaeus, var. brevibracteata Kuntze, Revis. Gen. Pl. 3(2): 254. 1898. ARGENTINA: Tucuman: Sierra de la Cuesta del Garrabal, 30 Jan 1874, Lorentz & Hieronymus 853 (lectotype: NY; isolectotypes: CORD, SI). Lectotypified by N. O'Leary, Darwiniana 44: 494. 2006.
Verbena litoralis var. brevibracteata Verbena litoralis Kunth, var. brevibracteata (Kuntze) N. O'Leary, in N. O'Leary et al., Ann. Missouri Bot. Gard. 94: 598. 2007.Verbena bonariensis Linnaeus, var. brevibracteata Kuntze 1898. 

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, Blount, Bullock, Butler, Chilton, Cleburne, Coosa, Covington, Crenshaw, Dale, Dallas, Geneva, Henry, Houston, Lamar, Lauderdale, Lee, Marengo, Marion, Marshall, Mobile, Monroe, Tuscaloosa

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1938 - 2023

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0002272 Lamar 04 Jul 2008 Spaulding, Daniel D.
12985		 UWAL
Verbena incompta P.W. Michael
TROY000031700 Covington 05 Jun 2010 Diamond, Alvin R.
21372		 TROY
Verbena incompta P. W. Michael
UWAL0036767 Lamar 13 Jul 2017 England, J. Kevin
8145		 UWAL
Verbena incompta P.W. Michael
UWAL0030122 Coosa 27 Jul 2015 England, J. Kevin
5544		 UWAL
Verbena incompta P.W. Michael
UWAL0017408 Marengo 18 Jul 2013 England, J. Kevin
4412		 UWAL
Verbena incompta P.W. Michael
UNA00053882 Blount 07 Jul 1997 Keener, Brian R.
242		 UNA
Verbena incompta P. W. Michael
AUA_ACC_73192 Lauderdale 9 Jul 2015 England, J. Kevin
5531		 AUA
Verbena Incompta P. W. Michael
UWAL0002117 Covington 05 Jun 2010 Diamond, Alvin R.
21372		 UWAL
Verbena incompta P.W. Michael
TROY000035150 Bullock 12 Jun 2012 Diamond, Alvin R.
23086		 TROY
Verbena incompta P. W. Michael
UWAL0034249 Blount 12 Jul 2015 Spaulding, Daniel D.
14310		 UWAL
Verbena incompta P.W. Michael
TROY000009598 Monroe 31 Oct 2006 Diamond, Alvin R.
17201		 TROY
Verbena incompta P. W. Michael
UWAL0056794 Cleburne 29 Jun 2023 England, Kevin J.
13819		 UWAL
Verbena incompta P.W. Michael
TROY000024415 Crenshaw 01 Jun 2008 Diamond, Alvin R.
19362		 TROY
Verbena incompta P. W. Michael
UWAL0049082 Bullock 28 May 2016 Horne, Howard E.
3278		 UWAL
Verbena incompta P. W. Michael
AUA000033269 Blount 12 Jul 2015 Spaulding, Daniel D.
14310		 AUA
Verbena Incompta P. W. Michael
UWAL0019495 Lauderdale 09 Jul 2015 England, J. Kevin
5531		 UWAL
Verbena incompta P.W.Michael
TROY000031932 Butler 22 Jun 2010 Diamond, Alvin R.
21437		 TROY
Verbena incompta P. W. Michael
UWAL0002112 Dale 11 Jul 2010 Diamond, Alvin R.
21458		 UWAL
Verbena incompta P.W. Michael
UNA00039758 Lee 30 Jun 1972 Johnston, W.
76		 UNA
Verbena incompta P. W. Michael
AUA_ACC_73173 Lauderdale 9 Jul 2015 England, J. Kevin
5529		 AUA
Verbena Incompta P. W. Michael
TROY000040947 Mobile 22 Jul 2012 Keener, Brian R.
7391		 TROY
Verbena incompta P. W. Michael
UWAL0001714 Houston 04 Jun 2010 Diamond, Alvin R.
21370		 UWAL
Verbena incompta P. W. Michael
TROY000031699 Houston 04 Jun 2010 Diamond, Alvin R.
21370		 TROY
Verbena incompta P. W. Michael
TROY000043585 Marengo 18 Jul 2013 England, J. Kevin
4412		 TROY
Verbena incompta P. W. Michael
UWAL0037948 Mobile 03 Aug 1974 LeLong, Michel G.
8078		 UWAL
Verbena incompta P.W. Michael
UWAL0057075 Dallas 10 Jun 2022 England, Kevin J.
13028		 UWAL
Verbena incompta P.W. Michael
UWAL0056225 Marion 06 Jun 2021 England, Kevin J.
12400		 UWAL
Verbena incompta P.W. Michael
UWAL0016976 Baldwin 04 Jul 2013 Horne, Howard E.
2299		 UWAL
Verbena incompta P.W. Michael
UWAL0019497 Lauderdale 09 Jul 2015 England, J. Kevin
5529		 UWAL
Verbena incompta P.W. Michael
TROY000038653 29 May 2012 Dykes, Bailee
968		 TROY
Verbena incompta P. W. Michael
TROY000031558 Dale 11 Jul 2010 Diamond, Alvin R.
21458		 TROY
Verbena incompta P. W. Michael
UWAL0002049 Geneva 07 Jun 2010 Diamond, Alvin R.
21377		 UWAL
Verbena incompta P.W. Michael
UWAL0031879 Dale 26 Jun 1991 Kral, Robert
79785		 UWAL
Verbena incompta P.W. Michael
SAMF0005092 Marshall 01 Aug 1956 Thomas, Joab L.
214		 SAMF
Verbena incompta P. W. Michael
TROY000035156 Henry 25 Jul 2012 Diamond, Alvin R.
23194		 TROY
Verbena incompta P.W. Michael
UNA00039759 Tuscaloosa 30 May 1938 Harper, Roland M.
3672		 UNA
Verbena incompta P. W. Michael
UNA00039755 Marshall 01 Aug 1956 Thomas, Joab L.
214		 UNA
Verbena incompta P. W. Michael
UWAL0017424 Marengo 25 Jul 2013 England, J. Kevin
4436		 UWAL
Verbena incompta P.W. Michael
TROY000044555 Lamar 04 Jul 2008 Spaulding, Daniel D.
12985		 TROY
Verbena incompta P. W. Michael
TROY000031625 Geneva 07 Jun 2010 Diamond, Alvin R.
21377		 TROY
Verbena incompta P. W. Michael
UWAL0002026 Butler 22 Jun 2010 Diamond, Alvin R.
21437		 UWAL
Verbena incompta P.W. Michael
UWAL0012213 Mobile 22 Jul 2012 Keener, Brian R.
7391		 UWAL
Verbena incompta P. W. Michael
TROY000044000 Lauderdale 09 Jul 2015 England, J. Kevin
5529		 TROY
Verbena incompta P. W. Michael
UWAL0011027 Henry 25 Jul 2012 Diamond, Alvin R.
23194		 UWAL
Verbena incompta P.W. Michael
UWAL0011035 Bullock 12 Jun 2012 Diamond, Alvin R.
23086		 UWAL
Verbena incompta P.W. Michael
UWAL0044735 Marion 12 Jun 2019 England, J. Kevin
10355		 UWAL
Verbena incompta P.W. Michael
AUA_ACC_72149 Marengo 18 Jun 2013 England, J. Kevin
4412		 AUA
Verbena Incompta P. W. Michael
TROY000043496 Marengo 25 Jul 2013 England, J. Kevin
4436		 TROY
Verbena incompta P. W. Michael
UNA00039756 Tuscaloosa 05 Aug 1950 Williams, B.C.
s.n.		 UNA
Verbena incompta P. W. Michael
ALNHS00004260 Baldwin 15 Jun 2016 Barger, T. Wayne
SP#2630		 ALNHS
Verbena incompta P.W. Michael
UWAL0019191 Chilton 07 Jul 1990 Kral, Robert
77887		 UWAL
Verbena incompta P.W. Michael
UWAL0015659 Bullock 29 Jun 2012 Dykes, Bailee
968		 UWAL
Verbena incompta P.W. Michael
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