Lapeirousia is a genus with about 40 species in the Iridaceae family that is found across sub-Saharan Africa from Nigeria and Ethiopia to the southwestern Cape. Leaves are flat and curved to narrow and pleated.

Lapeirousia silenoides, synonymously known as Gladiolus silenoides, Lapeirousia speciosa, Meristostigma silenoides, Ovieda silenoides or Peyrousia silenoides and commonly known as Meidestert, is a South African endemic species found in Namaqualand in coarse granite derived sand and in rocky places often in the crevices of granite outcrops. Numerous magenta to cerise flowers with creamy yellow markings are borne close together.