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Oxalis dillenii Jacquin. Common name: Southern Yellow Wood-sorrel. Phenology: Feb-Nov. Habitat: Roadsides, pastures, lawns, a wide variety of other habitats. Distribution: NS west to SK, south to FL, TX, NM; introduced elsewhere.

Origin/Endemic status: Native

Taxonomy Comments: See Nesom, Spaulding, & Horne (2014) for additional information.

Synonymy ⓘ: = Ar, C, FNA12, K4, Mi, Mo3, NE, NY, Va; = Oxalis stricta L. — WV, misapplied; = Xanthoxalis dillenii (Jacq.) Holub; < Oxalis corniculata L. — WH3; > Oxalis corniculata L. var. dillenii (Jacq.) Trel.; > Oxalis corniculata L. var. lyonii (Jacq.) Trel.; < Oxalis dillenii Jacq. — Tn; > Oxalis dillenii Jacq. — GrPl, RAB; > Oxalis dillenii Jacq. ssp. dillenii — W, Eiten (1963), Robertson (1975), Ward (2004a); > Oxalis dillenii Jacq. ssp. filipes (Small) G.Eiten — Pa; > Oxalis dillenii Jacq. var. dillenii — Tx; > Oxalis dillenii Jacq. var. radicans Shinners — Tx; > Oxalis filipes Small — F, Tat; > Oxalis florida Salisb. — F; > Oxalis florida Salisb. var. filipes (Small) H.E.Ahles — RAB; > Oxalis florida Salisb. var. florida — RAB; ? Oxalis fontana Bunge — Il; > Oxalis lyonii Pursh; > Oxalis prostrata Haw.; < Oxalis stricta L. — NcTx; > Oxalis stricta L. — G, Tat, misapplied; > Xanthoxalis brittoniae (Small) Small — S, S13; > Xanthoxalis filipes Small — S, S13; Oxalis dillenii Jacq. Basionym: Oxalis dillenii Jacq. 1794

Links to other floras: = Oxalis dillenii - FNA12

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: UPL (taxonomic lump from wetland indicator species)
  • Atlantic and Gulf Coastal Plain: FACU (taxonomic lump from wetland indicator species)
  • Eastern Mountains and Piedmont: FACU (taxonomic lump from wetland indicator species)
  • Eastern Mountains and Piedmont: FACU (taxonomic lump from wetland indicator species)
  • Great Plains: FACU (taxonomic lump from wetland indicator species)
  • Great Plains: FACU (taxonomic lump from wetland indicator species)
  • Midwest: FACU (taxonomic lump from wetland indicator species)
  • Midwest: FACU (taxonomic lump from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic lump from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic lump from wetland indicator species)

Heliophily ⓘ: 7

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image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Tuft- or mat-forming perennial of roadsides, pastures, lawns and a wide variety of other habitats.

Stems: Stems erect to reclining, branched, with stiff hairs pressed against the stem.

Leaves: Leaves alternate; petiolate; divided into 3 clover-like, heart-shaped leaflets about 1/2 in. wide each and often folded along the central vein (evenings and when cloudy); smooth above with scattered hairs below.

Inforescence:

Flowers: Flowers in umbels of 1-3; yellow; 1/2-1 in. wide; with 5 spreading oval petals, 5 sepals and 10 stamens.

Fruits: Fruit an erect, cylindrical, 5-angled, pointed capsule, usually with short dense hairs that give it a grayish appearance.

Comments:

Height: 4-10 in.

plant sale text:

bloom table text:

description: Tuft- or mat-forming perennial of roadsides, pastures, lawns and a wide variety of other habitats.

stems: Stems erect to reclining, branched, with stiff hairs pressed against the stem.

leaves: Leaves alternate; petiolate; divided into 3 clover-like, heart-shaped leaflets about 1/2 in. wide each and often folded along the central vein (evenings and when cloudy); smooth above with scattered hairs below.

inflorescence:

flowers: Flowers in umbels of 1-3; yellow; 1/2-1 in. wide; with 5 spreading oval petals, 5 sepals and 10 stamens.

fruits: Fruit an erect, cylindrical, 5-angled, pointed capsule, usually with short dense hairs that give it a grayish appearance.

comments:

cultural notes:

germination code:

native range:



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