Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Murdannia keisak
FAMILY
Commelinaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Murdannia from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Murdannia keisak
FAMILY
Commelinaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Murdannia keisak
SYNONYMOUS WITH Flora of North America
Murdannia keisak
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 038-02-002:
Aneilema keisak FAMILY Commelinaceae
COMMON NAME:
Murdannia, Asian Spiderwort, Marsh Dewflower, Wart-removing Herb
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_muke_002_lvd
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JK Marlow jkm240412_8421
April Greenville County SC
)
JK Marlow jkm130524_076
May Greenville County SC
)
JK Marlow jkm140831_176
August Greenville County SC
Swamp Rabbit Trail
)
Gill Newberry gn09_aneilema
September
)
Gill Newberry gn09_anilema_fl
September
)
Gill Newberry gn09_anilema_k_habit
September
)
JK Marlow jkm070908_019
September Greenville County SC
Creek
Decumbent plant with solitary (or few) flowers growing from leaf axils, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm120908_407
September Greenville County SC
Superficially suggestive of a miniature Spiderwort, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm210907_3548
September Greenville County SC
Blackwell Heritage Preserve
Leaves 1-7cm long, 3-12mm wide, sheaths 5-15mm long and ciliate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm210907_3549
September Greenville County SC
Blackwell Heritage Preserve
Leaves alternate, linear to lanceolate, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).
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Keith Bradley kab_murdannia_keisak_2599
September Lexington County SC
Saluda Shoals Park
)
Roxanna Martin rlm91811_113
September Spartanburg County SC
The petals are no more than 3/8" long, per Wildflowers of the Southern Mountains (Smith, 1998).
)
Roxanna Martin rlm91811_217
September Spartanburg County SC
Plants resembling Commelina but flowers not borne in a conspicuous sheath, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
)
Richard and Teresa Ware rtw_murdannia_keisak
September
)
JK Marlow s080924_x
September Greenville County SC
Creek/River
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Murdannia keisak
FAMILY
Commelinaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Murdannia keisak
FAMILY
Commelinaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Murdannia keisak
SYNONYMOUS WITH
Flora of North America
Murdannia keisak
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 038-02-002:
Aneilema keisak
FAMILY
Commelinaceae
90
Forb
Annual
Habitat: Stream banks, canals, ditches, freshwater marshes (tidal and non-tidal), swamp forests, wet areas in bottomlands, wet disturbed places, per Weakley's Flora
Non-native: Asia
Common (uncommon in GA Mountains & GA Piedmont) (rare in Carolina Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Alabama Invasive Plant Council, 2012
- Georgia Exotic Pest Plant Council, 2006
- NC Department of Transportation
- SC Exotic Pest Plant Council, 2014
- Tennessee Exotic Pest Plant Council, 2009
- Virginia Department of Conservation and Recreation, 2014
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
Purplish-lilac
Radially symmetrical
3-merous
3 sepals
3 petals
3 fertile stamens, 3 sterile stamens
Superior ovary
Bisexual
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p220
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p280
- Invasive Exotic Plants of North Carolina (Smith, 2008) p036
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p348
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p159
- Wildflowers of the Southern Mountains (Smith, 1998) p005
- Wildflowers of the Sandhills Region (Sorrie, 2011) p247
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