Sisyrinchium ostenianum
| Sisyrinchium ostenianum | |
|---|---|
| Herbarium sheet for Sisyrinchium ostenianum Beauverd collected in Montevideo Department, Uruguay in October 1926 | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Monocots | 
| Order: | Asparagales | 
| Family: | Iridaceae | 
| Genus: | Sisyrinchium | 
| Section: | Sisyrinchium sect. Cephalanthum | 
| Species: | S. ostenianum  | 
| Binomial name | |
| Sisyrinchium ostenianum | |
Sisyrinchium ostenianum is a species of flowering plant in the family Iridaceae. It is distributed in northern Argentina, Uruguay and southern Brazil, where it grows in grasslands with sandy soils or on rocky outcrops, and sometimes on roadsides.