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Oxalis stricta L.
UPRIGHT YELLOW-SORREL
Oxalis dillenii auct, non Jacq; Oxalis europaea Jord; Oxalis fontana Bunge; Xanthoxalis fontana (Bunge) Holub; Xanthoxalis stricta (L) Small; Common yellow oxalis; Upright Yellow Sorrel; Sheep Sorrel; Sour Grass; Sheep Poison; Upright Wood Sorrel; Yellow Wood Sorrel; Oxalis fontana; Common yellow wood sorrel; Sourgrass; Sour weed

Life   Plantae   Dicotyledoneae   Oxalidaceae   Oxalis

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Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta
Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta

Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta
Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta

Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta
Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta

Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta
Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta

Oxalis stricta
© Copyright Bobby Hattaway 2011 · 5
Oxalis stricta
Oxalis stricta
© Copyright Cody Parmer 2010 · 5
Oxalis stricta

Oxalis stricta, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Oxalis stricta, whole plant - in flower - general view
Oxalis stricta, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Oxalis stricta, stem - showing leaf bases

Oxalis stricta, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Oxalis stricta, leaf - on upper stem
Oxalis stricta, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Oxalis stricta, inflorescence - frontal view of flower
Names
Scientific source:

Geographic distribution
This species has been reported in the picnic area near the Spoone pavilion.

Supported by

Hosts · map
FamilyScientific name @ source (records)
_  Yellow wood @ I_RBO (1)

Associates · map
FamilyScientific name @ source (records)
Apidae  Ceratina dupla @ UCMS_ENT (1)
Botryosphaeriaceae  Phyllosticta guttulatae @ BPI (2)
Erysiphaceae  Microsphaera russellii @ BPI (37)
Halictidae  Agapostemon sericeus @ AMNH_BEE (1)

Augochlorella persimilis @ AMNH_BEE (3)

Halictus confusus @ PN- (1)

Halictus rubicundus @ AMNH_BEE (1)

Lasioglossum pectorale @ AMNH_BEE (3)
Phyllachoraceae  Phyllachora oxalina @ BPI (3)
Pucciniaceae  Puccinia sorghi @ BPI (22)
Uropyxidaceae  Aecidium oxalidis @ BPI (1)
Ustilaginaceae  Ustilago oxalidis @ BPI (174)
_  Cicadellidae @ PN- (1)

Kochmania oxalidis @ BPI (1)

Lonchopteridae @ PN- (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Oxalis stricta L. Upright Yellow Woodsorrel
Oxalidaceae — Sorrel family
Native
Oxalis stricta Oxalis stricta
White Clay Creek State Park -- Thompson Station Road
May 2014

Guide to Oxalis of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Oxalis stricta L. - Yellow Wood Sorrel

Oxalis stricta plant

Family - Oxalidaceae

Stems - No info. yet.

Leaves - No info. yet.

Oxalis stricta leaf

Inflorescence - No info. yet.

Flowers - No info. yet.

Oxalis stricta flower

Oxalis stricta fruit Developing fruits.

Flowering - May - October.

Habitat - Rocky and open woods, bluffs, alluvial stream banks, thickets, fields, waste ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species is very common in Missouri and is found throughout the state. The pubescence of the stems and leaves is very variable and Steyermark breaks the plant into many varieties and forms. These taxa are probably not valid and won't be mentioned here. This species can be eaten and adds a nice sour flavor to salads. Large quantities of the plant should be avoided because of its oxalic acid content.
The yellow flowered species of Oxalis can be difficult to differentiate. Mature, flowering specimens are required for a proper ID.

Photographs taken in Brown Summit, NC., 7-15-02.


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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=OXST ---> https://plants.usda.gov/java/profile?symbol=OXST
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=OXST

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Oxalis+stricta&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=Oxalis+stricta&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Oxalis+stricta&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2018-05-22 15:05:01 gmt
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