It is the main parental species of the large flowering grandiflora hybrids .
Gladiolus dalenii is one of the most widely distributed species of gladiolus , ranging from eastern South Africa and Madagascar throughout tropical Africa and into western Arabia .
Gladiolus dalenii is the main parental species of the large flowering grandiflora hybrids .
Gladiolus dalenii is one of the most widely distributed species of gladiolus , ranging from eastern South Africa and Madagascar throughout tropical Africa and into western Arabia .