Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Oxalidales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oxalis stricta
FAMILY
Oxalidaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Common Yellow Wood-sorrel at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oxalis stricta
FAMILY
Oxalidaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oxalis stricta
SYNONYMOUS WITH Flora of North America
Oxalis stricta
INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Oxalis corniculata
INCLUDED WITHIN Shinners & Mahler’s Illustrated Flora of North Central Texas (Diggs, Lipscomb, & O’Kennon, 1999)
Oxalis stricta
SYNONYMOUS WITH Oxalidaceae in the southeastern United States (Robertson, 1975)
Oxalis stricta
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 100-01-007:
Oxalis stricta FAMILY Oxalidaceae
SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Oxalis europaea
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis bushii
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis cymosa
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis rufa
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis stricta
COMMON NAME:
Common Yellow Wood-sorrel
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_xabu_001_lvd
Xanthoxalis bushii.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_xacy2_001_lvd
Xanthoxalis cymosa.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_xaru_001_lvd
Xanthoxalis rufa.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_xast2_001_lvd
Xanthoxalis stricta.
)
Gill Newberry gn04_oxalis_stricta
April
Stems erect, usually arising singly from the base, 20-60(90)cm long, per Weakley's Flora.
)
Roxanna Martin rlm4112_72
April Spartanburg County SC
Stem often much-branched, glabrous to very pubescent, mostly glabrous in NC-SC, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Roxanna Martin rlm4211_186
April Spartanburg County SC
Petals (6-)8-11mm, yellow, per Again: Taxonomy of Yellow-flowered Caulescent Oxalis in eastern North America (Nesom, 2009).
)
Roxanna Martin rlm4211_187
April Spartanburg County SC
)
Roxanna Martin rlm4211_189
April Spartanburg County SC
)
Roxanna Martin rlmoxalisyellow_slide1
April Spartanburg County SC
Capsules columnar, nearly terete, abruptly tapering toward apex, per Again: Taxonomy of Yellow-flowered Caulescent Oxalis in eastern North America (Nesom, 2009).
)
Roxanna Martin rlmoxalisyellow_slide2
April Spartanburg County SC
)
Roxanna Martin rlmoxalisyellow_slide3
April Spartanburg County SC
Leaflets obcordate, lobed 1/5–1/3 length, light green to yellowish-green, per Again: Taxonomy of Yellow-flowered Caulescent Oxalis in eastern North America (Nesom, 2009).
)
Roxanna Martin rlmoxalisyellow_slide4
April Spartanburg County SC
)
Roxanna Martin rlmoxalisyellow_slide5
April Spartanburg County SC
)
Roxanna Martin rlmoxalisyellow_slide6
April Spartanburg County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oxalis stricta
FAMILY
Oxalidaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oxalis stricta
FAMILY
Oxalidaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oxalis stricta
SYNONYMOUS WITH
Flora of North America
Oxalis stricta
INCLUDED WITHIN
Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Oxalis corniculata
INCLUDED WITHIN
Shinners & Mahler’s Illustrated Flora of North Central Texas (Diggs, Lipscomb, & O’Kennon, 1999)
Oxalis stricta
SYNONYMOUS WITH
Oxalidaceae in the southeastern United States (Robertson, 1975)
Oxalis stricta
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 100-01-007:
Oxalis stricta
FAMILY
Oxalidaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Oxalis europaea
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis bushii
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis cymosa
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis rufa
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Xanthoxalis stricta
1007
Forb
Perennial
Habitat: Disturbed areas, also in a variety of natural habitats, per Weakley's Flora
Native to the Carolinas & Georgia
Common
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Ternately compound: 3 leaflets
Alternate & basal
Petioles 2-8cm long
FLOWER:
Spring/Summer/Fall
Yellow
(without red lines)
Radially symmetrical
5 sepals
5 petals
10 stamens, of 2 lengths
Flowers (3)5-7(15) in umbelliform cymes at the level of or barely above leaves
FRUIT:
Spring/Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005) p138
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p258
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p042
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p276
- Wildflowers of Tennessee (Carman, 2005) p169?
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p203?
- Wildflowers of the Southern Mountains (Smith, 1998) p088
- Wildflowers of the Sandhills Region (Sorrie, 2011) p330
- Weeds of Southern Turfgrasses (Murphy et al., 1992) p158?
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".