Butomus umbellatus L.
FLOWERING-RUSH
  Monocotyledoneae   Butomaceae   Butomus

Butomus umbellatus
© Les Mehrhoff, 2008-2010 · 8
Butomus umbellatus

Click on map or images to enlarge.
 
Butomus umbellatus
© Les Mehrhoff, 2008-2010 · 7
Butomus umbellatus

Butomus umbellatus
© Les Mehrhoff, 2008-2010 · 7
Butomus umbellatus

Butomus umbellatus
© Les Mehrhoff, 2008-2010 · 4
Butomus umbellatus

Butomus umbellatus
© Les Mehrhoff, 2008-2010 · 4
Butomus umbellatus

Butomus umbellatus
© Copyright Malcolm Storey 2011-2117 · 3
Butomus umbellatus
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IDnature guide
Names
Scientific source:

Supported by
Associates · map
FamilyScientific name @ source (records)
Cladochytriaceae  Cladochytrium butomi @ BPI (18)
Doassansiaceae  Doassansia niesslii @ BPI (3)

Doassansia punctiformis @ BPI (5)
Mycosphaerellaceae  Ramularia butomi @ BPI (2)
Physodermataceae  Physoderma butomi @ BPI (4)

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Butomus umbellatus L.
flowering rush

Image of Butomus umbellatus

General Information
Symbol: BUUM
Group: Monocot
Family: Butomaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : CAN   I
L48   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   

Images

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

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, NY, Lake Champlain. Usage Requirements .

©Richard A. Howard. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection . United Kingdom, Scotland, Edinburgh, Royal Botanical Garden. Usage Requirements .

©Richard A. Howard. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection . United Kingdom, Scotland, Edinburgh, Royal Botanical Garden. Usage Requirements .

©Richard A. Howard. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection . Canada, Montreal, Montreal Botanical Garden. Usage Requirements .

slideshow

Synonyms

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 Liliopsida – Monocotyledons
Subclass Alismatidae
Order Alismatales
Family Butomaceae – Flowering Rush family
Genus Butomus L. – butomus
Species Butomus umbellatus L. – flowering rush

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 .
Connecticut flowering rush Potentially invasive, banned
Vermont flowering rush Class B noxious weed
Washington flowering rush Wetland and aquatic weed quarantine
U.S. Weed Information
Butomus umbellatus flowering rush 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.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.
WI Hoffman, R.and K. Kearns (eds.). 1997. Wisconsin manual of control recommendations for ecologically invasive plants . Wisconsin Dept. Natural Resources. Madison, Wisconsin.

Wetland Status

Interpreting Wetland Status

North America
Arid West 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
ARS Germplasm Resources Information Network (BUUM)
CalPhotos (BUUM)
Flora of North America (BUUM)
Integrated Taxonomic Information System (BUUM)
Native American Ethnobotany (University of Michigan - Dearborn) (BUUM)
University of Wisconsin - Stevens Point Freckmann Herbarium (BUUM)
Related Websites
Canada-Invasive Exotic Plant Fact Sheets (BUUM)
Environment Canada, Canadian Wildlife Service: abstract & illustration (BUUM)
Flowering rush references (BUUM)
Invasive Exotic Plants of Canada: abstract & illustrations (BUUM)
MN-Invasive Exotic Species (DNR) (BUUM)
Swedish Virtual Flora: images & text (in Swedish) (BUUM)

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 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 | Butomaceae | Butomus

1. Butomus umbellatus Linnaeus, Sp. Pl. 1: 372. 1753.

Herbs, to 150 cm. Leaves linear, to 2.7 m. Inflorescences with 20--25 flowers; scape to 150 cm. Flowers 2--2.5 cm wide; pedicels 4--10 cm; outer tepals elliptic, 6--7.5 × 2--2.5 mm, apex acute, inner tepals oblanceolate, 9--11.5 × 4.5--6 mm, apex obtuse, erose; filaments 3--4.5 mm, anthers 1 mm. Follicles 1 cm.

Flowering summer--fall. Mud and shallow water of streams, lakes, and ditches; 0--700 m; naturalizedintroduced; Alta., Man., N.S., Ont., P.E.I., Que.; Conn., Idaho, Ill., Mich., Minn., Mont., N.Y., N.Dak., Ohio, Pa., S.Dak., Vt., Wis.; Eurasia..

The name Butomus umbellatus f.orma vallisneriifolius (Sagorski) Glück has been used for plants that grow totally submersed or have floating leaves. Field transplant experiments with North American plants (R. L. Stuckey et al. 1990) have demonstrated that the non-flowering submersed form can be converted to a flowering mudflat form, and that flowering terrestrial plants can be transformed into non-flowering submersed ones. Consequently, B. umbellatus f. vallisneriifolius is a deep-water growth form and should have no taxonomic systematic status.

Two species, Butomus umbellatus and B. junceus Turczaninow, have been recognized in the natural range of the genus (L. C. Anderson et al. 1974), the former from Europe and western Asia, and the latter from eastern Asia. Reportedly, the distinguishing features are shorter scapes, fewer flowers, and a straight stigma for B. junceus as opposed to taller plants, more flowers, and curved stigmas for B. umbellatus.

Studies of Butomus in North America (L. C. Anderson et al. 1974) indicated that apparently the genus has become naturalized in North America at two separate locations, one near Detroit and another in the St. Lawrence River region. It is possible that plants naturalized in the St. Lawrence River region originated in eastern Asia, and those naturalized in the Detroit area originated in Europe or western Asia.

A map of Butomus in North America, prepared by R. L. Stuckey (1994), showed that he accepted two species. His map essentially had everything east of Niagara Falls as B. junceus and everything west of the Falls as B. umbellatus. At this time, I do not accept two species in the genus. Should two species be accepted, however, determinations would essentially follow the distribution given by Stuckey. He included dots for B. umbellatus from Indiana and British Columbia. I have not observed specimens from those two areas although the species is certainly to be expected in Indiana, and eventually in British Columbia if it does not already occur there.

Butomus umbellatus was first collected in North America near Laprairie on the St. Lawrence River in 1905; it was first observed in 1897 (R. L. Stuckey, pers. comm.). West of Niagara Falls, the taxon was first collected near Detroit in 1930 by O. A. Farwell, although he noted on the specimen, "Has been here since before 1918!!!" (R. L. Stuckey 1968).

Following modified from CalPhotos
   
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CalPhotos     Photo Database

 

Number of matches : 9
Query: SELECT * FROM img WHERE ready=1 and taxon like "Butomus umbellatus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 0105 1514 [detail]
© 2005 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 0105 1515 [detail]
© 2005 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 0105 1516 [detail]
© 2005 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 0105 1517 [detail]
© 2005 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
ID: 0000 0000 0408 1394 [detail]
© 2008 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
ID: 0000 0000 0408 1395 [detail]
© 2008 Louis-M. Landry

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 1008 0555 [detail]
© 2008 Zoya Akulova

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 1008 0556 [detail]
© 2008 Zoya Akulova

Butomus umbellatus
Butomus umbellatus
Flowering Rush
ID: 0000 0000 1008 0557 [detail]
© 2008 Zoya Akulova

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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