Oxalis drummondii

{{Short description|Species of plant}}{{Use dmy dates|date=February 2024}}

{{Speciesbox

| image = Oxalis drummondii.jpg

| image_caption = In Eisenhower Park, San Antonio, Texas

| genus = Oxalis

| species = drummondii

| authority = A.Gray

| synonyms_ref =

| synonyms = {{Collapsible list|

• Acetosella drummondii {{small|(A.Gray) Kuntze}}
• Ionoxalis amplifolia {{small|(Trel.) Rose}}
• Ionoxalis drummondii {{small|Rose}}
• Ionoxalis madrensis {{small|Rose ex Small}}
• Ionoxalis vespertilionis {{small|Small}}
• Oxalis amplifolia {{small|(Trel.) R.Knuth}}
• Oxalis divergens var. amplifolia {{small|Trel.}}
• Oxalis incisa {{small|Denton}}
• Oxalis leonis {{small|R.Knuth}}
• Oxalis vespertilionis {{small|Torr. & A.Gray}}

}}}}

Oxalis drummondii, the large-leaf woodsorrel or Drummond's wood-sorrel, is a species of flowering plant in the family Oxalidaceae.{{cite web |url=https://www.wildflower.org/plants/result.php?id_plant=OXDR |title=Oxalis drummondii A. Gray |author=|date=21 February 2023 |website=Plant Database |publisher=Lady Bird Johnson Wildflower Center |access-date=7 February 2024 }} It is native to central and southern Texas, and northern Mexico.{{cite POWO |id=374872-1 |title=Oxalis drummondii A.Gray |access-date=7 February 2024 }} A tuberous geophyte reaching {{cvt|8|in|cm}}, it is typically found growing in calcareous or sandy soils, in open woods, shrublands, and grasslands.