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Commelina benghalensis L.
Benghal Dayflower; Jio Dayflower

Life   Plantae   Monocotyledoneae   Commelinaceae   Commelina


Associates · map
FamilyScientific name @ source (records)
Botryosphaeriaceae  Phyllosticta commelinicola @ BPI (1)
Brachybasidiaceae  Kordyana celebensis @ BPI (2)
Mycosphaerellaceae  Cercospora benghalensis @ BPI (1)
Phakopsoraceae  Phakopsora tecta @ BPI (1)
Pucciniaceae  Uromyces commelinae @ BPI (5)

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Following modified from Flora of Taiwan, National Taiwan University
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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://tai2.ntu.edu.tw/udth/bin/fot1.exe/browse?bid=5&page=158

Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Commelinales  
 Family Commelinaceae  
 Genus Commelina  
  Commelina benghalensis    L., 1753 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Citation: Flora of Taiwan 2nd ed. 5: 158, 2000
Name Code: 201187
  IUCN Red List:LC      
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=COBE2 ---> https://plants.usda.gov/java/profile?symbol=COBE2
https://plants.usda.gov/java/profile?symbol=COBE2 ---> http://plants.usda.gov/core/profile?symbol=COBE2
http://plants.usda.gov/core/profile?symbol=COBE2 ---> https://plants.usda.gov/core/profile?symbol=COBE2
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Commelina benghalensis L.

General Information
Symbol: COBE2
Group: Monocot
Family: Commelinaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : HI   I
L48   I
PB   I
PR   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   





Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Commelinales
Family Commelinaceae – Spiderwort family
Genus Commelina L. – dayflower
Species Commelina benghalensis L. – jio

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
United States : Benghal dayflower Noxious weed
Alabama Benghal dayflower Class A noxious weed
California Benghal dayflower Quarantine
Florida Benghal dayflower Noxious weed
Massachusetts Benghal dayflower Prohibited
Minnesota Benghal dayflower Prohibited noxious weed
North Carolina jio Class A noxious weed
Oregon Benghal dayflower Quarantine
South Carolina tropical spiderwort Plant pest
Vermont Benghal dayflower Class A noxious weed
U.S. Weed Information
Commelina benghalensis benghal dayflower This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
US USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). 2012. Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ. Washington, DC.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean UPL
Hawaii FACU
South Pacific Islands FAC
North America
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (COBE2)
Flora of North America (COBE2)
Integrated Taxonomic Information System (COBE2)
Jepson Interchange (University of California - Berkeley) (COBE2)
USF Atlas of Florida Vascular Plants (COBE2)
Related Websites
Aquatic Plants in Thailand: images and text (in Thai) (COBE2)
Atlas of Florida Vascular Plants: distribution map (COBE2)
Australia-Bushland Friendly Nursery Scheme (COBE2)
FAO Weeds (COBE2)
FL-Tropical Spiderwort Identification and Control (COBE2)
Flora of China Line Drawing (COBE2)
Forestry Images (COBE2)
GA-University of Georgia Weed Science (COBE2)
HI-Pacific Island Ecosystems at Risk (USGS) (COBE2)
IN-Center for New Crops and Plants Products (COBE2)
IN-Center for New Crops and Plants Products (Famine Foods) (COBE2)
Invasive Plant Atlas of the Midsouth (IPAMS) (COBE2)
NAPPO Pest Fact Sheet (COBE2)
USDA APHIS-Federal Noxious Weed Disseminules of the US (COBE2)
www.invasives.org (COBE2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 22 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 22 | Commelinaceae | Commelina

8. Commelina benghalensis Linnaeus, Sp. Pl. 1: 41. 1753.

Herbs, annual. Roots thin, rhizomes short, subterranean, bearing cleistogamous flowers produced from base of plant. Stems ascending to decumbent or occasionally scrambling. Leaves: leaf sheaths, not auriculate, often with red hairs at summit; blade ovate to lanceolate-elliptic, (1--)2--9(--11) ´ 1--3(--4.5) cm, apex rounded, obtuse or acute, pubescent. Inflorescences: distal cyme often exserted and 1-flowered, sometimes vestigial; spathes often clustered, subsessile (peduncles 1--3.5 mm), funnelform, 0.5--1.5(--2) cm, margins connate basally, pubescent. Flowers: chasmogamous flowers bisexual and staminate, subterranean cleistogamous flowers bisexual; petals of staminate flowers all blue (rarely lilac), proximal smaller; lateral stamen filaments not winged; staminodes 2--3; antherodes yellow, cruciform; pollen white; medial stamen pollen yellow. Capsules 3-locular, 2-valved, 4--6 mm. Seeds 5, brown or blackish, seeds of adaxial locule 1.7--2.5 mm, shallowly reticulate, farinose. 2n = 22.

Flowering spring--fall. Citrus plantations, fields, yards, and other cultivated and disturbed sites; introduced; Calif., Fla., Ga., La.; neotropics; native, paleotropics.

Commelina benghalensis was first recognized and collected in California in 1980. The California plants are approximately hexaploid and represent a separate and much later introduction than the southeastern plants. The species is federally listed as an Obnoxious Weed.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Commelina+benghalensis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Commelina+benghalensis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 5
Query: SELECT * FROM img WHERE ready=1 and taxon like "Commelina benghalensis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Commelina benghalensis
Commelina benghalensis
ID: 0000 0000 0913 0006 [detail]
© 2013 Ron Vanderhoff

Commelina benghalensis
Commelina benghalensis
Day Flower
ID: 0000 0000 1115 0448 [detail]
© 2015 Ron Vanderhoff

Commelina benghalensis
Commelina benghalensis
Day Flower
ID: 0000 0000 1115 0449 [detail]
© 2015 Ron Vanderhoff

Commelina benghalensis
Commelina benghalensis
Day Flower
ID: 0000 0000 1115 0450 [detail]
© 2015 Ron Vanderhoff

Commelina benghalensis
Commelina benghalensis
ID: 0000 0000 0816 2030 [detail]
© 2016 Ron Vanderhoff

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   

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