Scleranthus annuus

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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:CARYOPHYLLACEAE
Species:Scleranthus annuus L.
Common Name:Annual Knawel, German Knotgrass
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:SCAN2
Plant Notes:Annual Knawel is an introduced annual or biennial herbaceous plant in the Pink family (Caryophyllaceae). It is native to Europe, Asia, and North Africa. It can be found throughout Alabama. Annual Knawel grows in cemeteries, in lawns, in fallow fields, and in other sandy, disturbed sites. It is an annual or biennial from a taproot. The stems are prostrate, green in color, glabrous or minutely pubescent, and profusely branching. Leaves are sessile, opposite, linear in outline, entire, and glabrous. Leaf bases are joined at the nodes by a translucent membrane. Flowers are produced in terminal or axillary cymes. Individual flowers are sessile or subsessile, urceolate in outline with 5 green sepals with white margins and no petals. The fruit is an utricle. In herbal medicine Annual Knawel is included in Bach flower remedies directed at a particular characteristic or emotional state. It is utilized for the inability to choose between alternatives.—A. Diamond
Taxonomic Notes:**
Status:Not Native, FACU (NWI)
References:**

** Not applicable or data not available.

Classification

FamilyCARYOPHYLLACEAE - Pink family
Genus Scleranthus
Species Scleranthus annuus L. - Annual Knawel, German Knotgrass

Citation

Citation Scleranthus annuus Linnaeus, Sp. Pl. 1: 406. 1753.
Basionym: **
Type: Without data (lectotype: LINN 578.1). Lectotypified by Jonsell & C.E. Jarvis, in C.E. Jarvis et al., Regnum Veg. 127: 86. 1993.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Scleranthus annuus var. cymosus Scleranthus annuus Linnaeus, var. cymosus Fenzl, in Ledebour, Fl. Ross. 2: 157. 1843.  
Scleranthus tauricus Scleranthus tauricus C. Presl ex Knaf, Oesterr. Bot. Z. 22: 187. 1872.  

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: Autauga, Baldwin, Barbour, Blount, Bullock, Calhoun, Choctaw, Coffee, Colbert, Conecuh, Covington, Crenshaw, Dale, Dallas, Escambia, Henry, Houston, Lee, Madison, Mobile, Montgomery, Perry, Pickens, Pike, Russell, Sumter, Tuscaloosa, Washington

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: -

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
TROY000049409 Escambia 07 Mar 2020 Diamond, Alvin R.
29186		 TROY
Scleranthus annuus Linnaeus
AMAL00006313 Pike 21 Jan 2002 Diamond, Alvin R.
12872		 AMAL
Scleranthus annuus Linnaeus
TROY000003683 Pike 21 Jan 2002 Diamond, Alvin R.
12872		 TROY
Scleranthus annuus Linnaeus
UWAL0014072 Bullock 31 Jan 2013 Dykes, Bailee
1501		 UWAL
Scleranthus annuus Linnaeus
TROY000033167 Montgomery 22 May 2011 Diamond, Alvin R.
22148		 TROY
Scleranthus annuus Linnaeus
AMAL00006314 Tuscaloosa 14 Mar 2003 Spaulding, Daniel D.
11682		 AMAL
Scleranthus annuus Linnaeus
UWAL0047956 Barbour 06 Mar 2020 England, J. Kevin
10708		 UWAL
Scleranthus annuus Linnaeus
UNA00058392 Conecuh 02 Mar 2002 Diamond, Alvin R.
12935		 UNA
Scleranthus annuus L.
AUA_ACC_462 Lee 6 Jun 1955 Moore, William H.
 AUA
Scleranthus Annuus L.
AUA_ACC_3745 Lee 5 Apr 1964 Creel, John
 AUA
Scleranthus Annuus L.
TROY000038007 Bullock 31 Jan 2013 Dykes, Bailee
1501		 TROY
Scleranthus annuus Linnaeus
UWAL0008533 Sumter 17 Mar 2010 Keener, Brian R.
5679		 UWAL
Scleranthus annuus L.
AUA_ACC_64574 Dale 22 Feb 2005 Diamond, Alvin R.
14943		 AUA
Scleranthus Annuus L.
UNA00057619 Pike 21 Jan 2002 Diamond, Alvin R.
12872		 UNA
Scleranthus annuus L.
ALNHS00006230 Russell 26 Mar 2019 Barger, T. Wayne
UFW#21		 ALNHS
Scleranthus annuus L.
UWAL0015187 Dale 27 Jan 2013 Diamond, Alvin R.
23692		 UWAL
Scleranthus annuus Linnaeus
UWAL0050332 Escambia 07 Mar 2020 Diamond, Alvin R.
29186		 UWAL
Scleranthus annuus Linnaeus
TROY000041717 Washington 18 Apr 2011 Keener, Brian R.
6382		 TROY
Scleranthus annuus Linnaeus
UNA00073608 Blount 30 Apr 2011 Keener, Brian R.
6433		 UNA
Scleranthus annuus L.
JSU119143 Mobile 7 Mar 1999 Spaulding, Daniel D.
10546		 JSU
Scleranthus annuus Linnaeus
UWAL0004994 Montgomery 22 May 2011 Diamond, Alvin R.
22148		 UWAL
Scleranthus annuus Linnaeus
AMAL00006312 Conecuh 02 Mar 2002 Diamond, Alvin R.
12935		 AMAL
Scleranthus annuus Linnaeus
TROY000003680 Conecuh 02 Mar 2002 Diamond, Alvin R.
12935		 TROY
Scleranthus annuus Linnaeus
TROY000044238 Coffee 03 Jan 2016 Diamond, Alvin R.
27124		 TROY
Scleranthus annuus Linnaeus
TROY000032109 Crenshaw 19 Feb 2008 Diamond, Alvin R.
18712		 TROY
Scleranthus annuus Linnaeus
UWAL0052128 Choctaw 18 Mar 2020 Keener, Brian R.
11695		 UWAL
Scleranthus annuus L.
ALNHS00004545 Mobile 07 Mar 2017 Barger, T. Wayne
SP#2929		 ALNHS
Scleranthus annuus L.
TROY000044245 Henry 11 Feb 2016 Diamond, Alvin R.
27176		 TROY
Scleranthus annuus Linnaeus
JSU119142 Lee 5 Apr 1964 Bozarth, Gene A.
s.n.		 JSU
Scleranthus annuus Linnaeus
TROY000031863 Montgomery 07 Feb 2010 Diamond, Alvin R.
21144		 TROY
Scleranthus annuus Linnaeus
UWFP006986 Baldwin 16 Mar 2013 James R. Burkhalter
23922		 UWFP
Scleranthus annuus Linnaeus
UWAL0015255 Pickens 26 Mar 2014 Keener, Brian R.
8290		 UWAL
Scleranthus annuus L.
TROY000044735 Autauga 24 Jan 2017 Parker, Matthew R.
335		 TROY
Scleranthus annuus Linnaeus
TROY000037140 Dale 27 Jan 2013 Diamond, Alvin R.
23692		 TROY
Scleranthus annuus Linnaeus
TROY000043467 Covington 09 Mar 2016 Diamond, Alvin R.
27232		 TROY
Scleranthus annuus Linnaeus
AUA_ACC_2187 Lee 1 Apr 1950 Davis, James R.
 AUA
Scleranthus Annuus L.
TROY000003681 Dale 22 Feb 2005 Diamond, Alvin R.
14943		 TROY
Scleranthus annuus Linnaeus
AMAL00001940 Calhoun 02 May 2011 Spaulding, Daniel D.
13308		 AMAL
Scleranthus annuus Linnaeus
TROY000044233 Coffee 07 Feb 2016 Diamond, Alvin R.
27170		 TROY
Scleranthus annuus Linnaeus
UWAL0009770 Perry 04 Feb 2012 Keener, Brian R.
6836		 UWAL
Scleranthus annuus L.
UWAL0008532 Dallas 26 Jan 2009 Keener, Brian R.
5023		 UWAL
Scleranthus annuus L.
UWAL0013131 Dale 27 Jan 2013 Diamond, Alvin R.
23692		 UWAL
Scleranthus annuus Linnaeus
UWAL0010701 Dale 04 Dec 2011 Diamond, Alvin R.
22732		 UWAL
Scleranthus annuus Linnaeus
TROY000032181 Sumter 17 Mar 2010 Keener, Brian R.
5679		 TROY
Scleranthus annuus Linnaeus
UWAL0009255 Washington 18 Apr 2011 Keener, Brian R.
6382		 UWAL
Scleranthus annuus L.
AUA_ACC_48509 Pike 23 Feb 1988 Diamond, Alvin R.
4125		 AUA
Scleranthus Annuus L.
JSU119141 Colbert 17 Jul 1965 Landers, Kenneth E.
s.n.		 JSU
Scleranthus annuus Linnaeus
UNA00061191 Tuscaloosa 14 Mar 2003 Spaulding, Daniel D.
11682		 UNA
Scleranthus annuus L.
TROY000037146 Autauga 03 Feb 2013 Diamond, Alvin R.
23715		 TROY
Scleranthus annuus Linnaeus
UWAL0011725 Blount 30 Apr 2011 Keener, Brian R.
6433		 UWAL
Scleranthus annuus Linnaeus
UWAL0052016 Madison 11 Apr 2021 England, J. Kevin
11932		 UWAL
Scleranthus annuus L.
UWAL0046755 Autauga 24 Jan 2017 Parker, Matthew R.
335		 UWAL
Scleranthus annuus Linnaeus
UWAL0016106 Houston 12 Jan 2014 Diamond, Alvin R.
24732		 UWAL
Scleranthus annuus Linnaeus
UNA00056901 Houston 30 Dec 1998 MacDonald, John R.
12489		 UNA
Scleranthus annuus L.
UWFP006987 Escambia 14 Mar 2009 James R. Burkhalter
22174		 UWFP
Scleranthus annuus Linnaeus
AMAL00018991 Dallas 26 Jan 2009 Keener, Brian R.
5023		 AMAL
Scleranthus annuus Linnaeus
UWAL0013124 Autauga 03 Feb 2013 Diamond, Alvin R.
23715		 UWAL
Scleranthus annuus Linnaeus
UWAL0001992 Montgomery 07 Feb 2010 Diamond, Alvin R.
21144		 UWAL
Scleranthus annuus L.
UWAL0036645 Mobile 19 Mar 2017 Horne, Howard E.
3737		 UWAL
Scleranthus annuus Linnaeus
TROY000003682 Houston 30 Dec 1998 MacDonald, John R.
12489		 TROY
Scleranthus annuus Linnaeus
TROY000039011 Houston 12 Jan 2014 Diamond, Alvin R.
24732		 TROY
Scleranthus annuus Linnaeus
AUA_ACC_70471 Sumter 17 Mar 2010 Keener, Brian R.
5679		 AUA
Scleranthus Annuus L.
UWAL0033220 Coffee 03 Jan 2016 Diamond, Alvin R.
27124		 UWAL
Scleranthus annuus Linnaeus
AUA_ACC_2186 Lee 25 Apr 1950 Blankenship, Lua R.
 AUA
Scleranthus Annuus L.
TROY000049095 Pickens 26 Mar 2014 Keener, Brian R.
8290		 TROY
Scleranthus annuus Linnaeus
TROY000021214 Dallas 26 Jan 2009 Keener, Brian R.
5023		 TROY
Scleranthus annuus Linnaeus
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