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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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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Magnoliophyta  
 Class Liliopsida  
 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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http://plants.usda.gov/java/profile?symbol=COBE2 ---> https://plants.usda.gov/java/profile?symbol=COBE2
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Following modified from Flora of North America
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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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Updated: 2018-03-18 03:45:19 gmt
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