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Rotala ramosior (L.) Koehne
LOWLAND ROTALA
Life   Plantae   Dicotyledoneae   Lythraceae   Rotala

Rotala ramosior, leaf and flower
© Kay Yatskievych, 2003 · 1
Rotala ramosior, leaf and flower

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Following modified from Flora of Taiwan, National Taiwan University
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Following modified from MissouriPlants.com
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Rotala ramosior (L.) Koehne

Tooth-cup

Rotala ramosior plant

Family - Lythraceae

Stems - From somewhat thickened fibrous roots, erect, herbaceous, branching or simple, 4-angled (the angles rounded), green but becoming red in strong sun, glabrous, to +30cm tall.

Rotala ramosior stem

Leaves - Opposite, decussate, linear-elliptic, sessile, tapering to the base, glabrous, entire, with a single midrib, acute to slightly rounded at the apex, to +3cm long, -1cm broad.

Rotala ramosior leaves

Inflorescence - Single sessile flower from each leaf axil. Each flower subtended by a pair of opposite minute bracts. Bracts to +/-3mm long, 1mm broad, glabrous.

Flowers - Petals 4, pink to rose, adnate at the apex of the hypanthium, orbicular, 1-2mm in diameter, glabrous, alternating with the calyx appendages. Stamens 4, adnate in the middle of the calyx tube, included. Filaments 1mm long, greenish, glabrous. Anthers yellow, .1mm long. Ovary superior, globose to subglobose, to 3mm long, glabrous, 3-locular. Placentation axile. Ovules many. Style 1, to -1mm long, glabrous. Stigma small-capitate. Calyx tube green to red (in sun), glabrous inside and out, 1mm long in flower and quickly expanding, with 4 lobes and 4 triangular appendages. Lobes acute, glabrous, mostly green, lanceolate, to +1.5mm long, -1mm broad. Appendages triangular, -1mm long and broader than long.

Rotala ramosior hypanthium

Rotala ramosior flower

Flowering - June - October.

Habitat - Margins of streams, spring branches, sloughs, oxbows, ditches, moist ledges, wet areas of prairies.

Origin - Native to U.S.

Other info. - This small but attractive species can be found in the southern 2/3 of Missouri. The plant is easy to identify becasue of its tiny, 4-petaled flowers and its habitat.

Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 7-28-04, and off Lee Rd. 27, Auburn, AL., 9-15-05.


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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Myrtales  
 Family Lythraceae  
 Genus Rotala  
  Rotala ramosior    (L.) Koehne 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Rotala catholica Rotala dentifera Rotala ramosior interior Rotala ramosior typica   details
Citation: Flora of Taiwan 2nd ed. 3: 881, 1993; Wu, S. H., C. F. Hsieh, and Marcel Rejmanek. 2004. Catalogue of the Naturalized Flora of Taiwan. Taiwania
Name Code: 203737
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Suggested Link    Discover Life    Flora of Taiwan 2nd eBooks (National Taiwan University)    Nature Campus  
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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=RORA ---> https://plants.usda.gov/java/profile?symbol=RORA
https://plants.usda.gov/java/profile?symbol=RORA ---> http://plants.usda.gov/core/profile?symbol=RORA
http://plants.usda.gov/core/profile?symbol=RORA ---> https://plants.usda.gov/core/profile?symbol=RORA
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You are here: Home / Plant Profile

Rotala ramosior (L.) Koehne
lowland rotala

Image of Rotala ramosior

General Information
Symbol: RORA
Group: Dicot
Family: Lythraceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
PR   N
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   

Images

click on a thumbnail to view an image, or see all the Rotala thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Patrick J. Alexander. Usage Requirements .

Patrick J. Alexander. Usage Requirements .

Jose Hernandez. Provided by ARS Systematic Botany and Mycology Laboratory . United States, KS, Haviland. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 579. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
ROCA5 Rotala catholica (Cham. & Schltdl.) van Leeuwen
RODE3 Rotala dentifera (A. Gray) Koehne
RORAI Rotala ramosior (L.) Koehne var. interior Fernald & Grisc.
RORAT Rotala ramosior (L.) Koehne var. typica Fernald & Grisc.

Classification

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 Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Myrtales
Family Lythraceae – Loosestrife family
Genus Rotala L. – rotala
Species Rotala ramosior (L.) Koehne – lowland rotala

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered 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 protected plant list for that location.
Connecticut toothcup Endangered
Massachusetts toothcup Endangered
Minnesota tooth-cup Threatened
New York tooth-cup Threatened
Pennsylvania tooth-cup Rare
Rhode Island toothcup Endangered
Washington lowland toothcup Sensitive

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean OBL
North America
Arid West OBL
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont OBL
Great Plains OBL
Midwest OBL
Northcentral & Northeast OBL
Western Mountains, Valleys, and Coast OBL

Related Links

More Accounts and Images
CalPhotos (RORA)
Integrated Taxonomic Information System (ROCA5)
Integrated Taxonomic Information System (RODE3)
Integrated Taxonomic Information System (RORA)
Integrated Taxonomic Information System (RORAI)
Integrated Taxonomic Information System (RORAT)
Jepson Interchange (University of California - Berkeley) (RORA)
Lady Bird Johnson Wildflower Center Native Plant Information Network (RORA)
USF Atlas of Florida Vascular Plants (RORA)
University of Tennessee Herbarium (Distribution) (RORA)
University of Wisconsin - Stevens Point Freckmann Herbarium (RORA)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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

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Number of matches : 10
Query: SELECT * FROM img WHERE ready=1 and taxon like "Rotala ramosior%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0587 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0588 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0589 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0590 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0591 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0592 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0593 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
Indian Toothcup, Toothcup
(shown with Potamogeton natans )
ID: 0000 0000 0907 0594 [detail]
© 2007 Virginia Moran

Rotala ramosior
Rotala ramosior
ID: 0000 0000 0113 2467 [detail]
© 2013 Jake Ruygt

Rotala ramosior
Rotala ramosior
Lowland Toothcup
ID: 0000 0000 1014 0219 [detail]
© 2014 Barry Breckling

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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