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Sium suave Walter
HEMLOCK WATERPARSNIP
Life   Plantae   Dicotyledoneae   Apiaceae   Sium

Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave

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Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave
Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave

Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave
Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave

Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave
Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave

Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave
Sium suave
© Copyright Mel Harte 2010 · 3
Sium suave

Sium suave, Water-Parsnip
© Copyright Sheryl Pollock 2011 · 1
Sium suave, Water-Parsnip

Associates · map
FamilyScientific name @ source (records)
Halictidae  Lasioglossum imitatum @ AMNH_BEE (32)
Mycosphaerellaceae  Cercospora sii @ BPI (2)

Septoria sii @ BPI (1)
Physodermataceae  Physoderma palustris @ BPI (1)

Physoderma vagans @ BPI (2)
Pucciniaceae  Uromyces scirpi @ BPI (2)

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Following modified from Flora of Taiwan, National Taiwan University
   Top | See original

&pull 20q v5.145 20180528: Error 404 Not Found http://tai2.ntu.edu.tw/udth/bin/fot1.exe/browse?bid=3&page=1040

Following modified from Delaware Wildflowers
   Top | See original

Delaware Wildflowers  •  Scientific names

Sium suave Walt. Hemlock Water-parsnip
Apiaceae — Carrot family
Native
Sium suave
Brandywine Creek
August 2007

Search Google Delaware USDA

Photos copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Sium suave Walt.

Sium suave plant

Sium suave plant

Family - Apiaceae

Stems - Stout, glabrous (entire plant), herbaceous, hollow, ribbed and angled, to 2m tall, slightly zig-zag in form, erect but reclining with age, branching, from thickened roots, rooting at lower nodes, with a sweet fennel fragrance.

Sium suave stem Stem.

Leaves - Alternate, odd-pinnate, petiolate to sessile. Lowest leaves to +50cm long, reduced above. Petiole to +7cm long, sheathing, ribbed or angled, with an adaxial groove. Lateral leaflets sessile, opposite, linear to lanceolate or lance-ovate, to +/-15cm long, 6cm broad, serrulate to serrate, deep green adaxially, lighter shiny-green abaxially, glabrous, acute to acuminate at apex, larger leaflets typically rounded and oblique at the base. Terminal leaflet with a petiolule to +3cm long.

Sium suave leaf "Typical" basal leaf.

Sium suave leaf Cauline leaf with thin leaflets.

Inflorescence - Terminal and axillary compound umbels. Peduncles to +6cm long, ribbed and angled. Primary rays to 3.5 cm long, subtended by recurved bracts, glabrous. Bracts to -2cm long, 2-3mm broad, linear-lanceolate to lance-attenuate, with scarious margins, +/-12. Umbellets with raylets to 8mm long, subtended by similar but smaller bracts than main rays. Raylets to 8mm long, glabrous. Umbellets with 25-35 flowers.

Sium suave inflorescence Inflorescence.

Sium suave inflorescence Bracts at base of rays.

Flowers - Petals 5, white, spreading, glabrous, obovate, with an inflexed apiculate apex, to 1.5mm long, 1.3mm broad. Stamens 5, alternating with petals, spreading. Filaments white, to 2mm long. Anthers whitish-pink to pink or yellow, .2mm broad. Styles 2, distinct, very short, -.2mm long, with greenish-white stylopodium. Stylopodium to 1.1mm broad. Ovary inferior, ribbed, -1mm long in flower, 1.1mm broad, compressed slightly. Fruit oval to orbicular, to 3mm long.

Sium suave flowers

Flowering - July - September.

Habitat - Wet areas.

Origin - Native to U.S.

Other info. - This highly variable species can be found throughout Missouri in wet habitats. As seen in the pictures above, the plant is very variable and can be hard to ID in the field. The characteristics to look for are the bracts and bracteoles subtending the rays and raylets of the inflorescence and the serrulate to serrate margins of the leaflets.

Photographs taken at Buffalo Creek, Mark Twain National Forest, Ripley County, MO., 6-30-00, and in Brown Summit, NC., 7-29-02.


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Following modified from Taiwan Biodiversity National Information Network
   Top | See original

 
Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Apiales  
 Family Apiaceae  
 Genus Sium  
  Sium suave    Walter 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Apium cicutaefolium Cicuta dahurica Critamus dauricus Drepanophyllum lineare Falcaria dahurica Sium cicutaefolium Sium cicutarium Sium cicutifolium Sium floridanum Sium formosanum Sium heterophyllum details
Citation: Flora of Taiwan 2nd ed. 3: 1040, 1993
Name Code: 202337
   Wang,2012:CR   Wang,2012:CR   
Suggested Link    Discover Life    Flora of Taiwan 2nd eBooks (National Taiwan University)    Nature Campus  
User Response:   upload Comments    upload Photo
 
蔡永昌
2011-06-29 U/L
 
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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=SISU2 ---> https://plants.usda.gov/java/profile?symbol=SISU2
https://plants.usda.gov/java/profile?symbol=SISU2 ---> http://plants.usda.gov/core/profile?symbol=SISU2
http://plants.usda.gov/core/profile?symbol=SISU2 ---> https://plants.usda.gov/core/profile?symbol=SISU2
&pull 20q v5.145 20180528: Error 500 read timeout https://plants.usda.gov/core/profile?symbol=SISU2

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Sium+suave&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=Sium+suave&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 35
Query: SELECT * FROM img WHERE ready=1 and taxon like "Sium suave%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Sium suave
Sium suave
Hemlock Waterparsnip
ID: 6249 3022 3538 0069 [detail]
© 1995 Saint Mary's College of California

Sium suave
Sium suave
Hemlock Waterparsnip
ID: 6249 3022 3538 0071 [detail]
© 1995 Saint Mary's College of California

Sium suave
Sium suave
Hemlock Waterparsnip
ID: 6249 3022 3538 0070 [detail]
© 1995 Saint Mary's College of California

Sium suave
Sium suave
ID: 0000 0000 0506 3193 [detail]
© 2006 Louis-M. Landry

Sium suave
Sium suave
ID: 0000 0000 0506 3194 [detail]
© 2006 Louis-M. Landry

Sium suave
Sium suave
ID: 0000 0000 0508 0383 [detail]
© 2008 Louis-M. Landry

Sium suave
Sium suave
ID: 0000 0000 1209 1241 [detail]
© 2009 Doreen L. Smith

Sium suave
Sium suave
ID: 0000 0000 0710 0185 [detail]
© 2010 Louis-M. Landry

Sium suave
Sium suave
ID: 0000 0000 0710 0186 [detail]
© 2010 Louis-M. Landry

Sium suave
Sium suave
ID: 0000 0000 0710 0187 [detail]
© 2010 Louis-M. Landry

Sium suave
Sium suave
Water Parsnip
ID: 0000 0000 0710 1826 [detail]
© 2010 Mary Winter

Sium suave
Sium suave
Water Parsnip
ID: 0000 0000 0710 1827 [detail]
© 2010 Mary Winter

Sium suave
Sium suave
Water Parsnip
ID: 0000 0000 0710 1828 [detail]
© 2010 Mary Winter

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0254 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0255 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0256 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0257 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0258 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0259 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0260 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0261 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0262 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0263 [detail]
© 2016 Keir Morse

Sium suave
Sium suave
Common Water-parsnip
ID: 0000 1111 1234 0264 [detail]
© 2016 Keir Morse

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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