(MDB) 'O Mio' 1974, Williams 'O Mio' (Frank A. Williams, R. 1972). Seedling #O 1. MDB, 6 7" (15 18 cm). Early bloom. Standards brownish buff; falls brown; blue be...
(MDB) 'Olbiensis' 1855, Hénon 'Olbiensis' (Jacques Louis Hénon, R. 1855). DB. Early bloom. Color Code W4. Cream white self. Form of I. lutescens collected in Fran...
(MDB) 'Olympic Blue' 1959, Simonson 'Olympic Blue' ( Donna Simonson, R. 1957). Seedling #605. MDB, 6" (15 cm). Early bloom. Color Class B1M. Medium blue self; whi...
(MDB) 'One Fine Day' 1956, Benbow 'One Fine Day' (D. E. Benbow, R. 1956). DB, 7" (18 cm). Early bloom. Standards blue lavender; falls deeper, red purple overlay. ...
(MDB) 'One Little Indian' 1940, Hillson 'One Little Indian' (H. M. Hillson, R. 1940). DB, Early bloom. Color Code R4D. Light red toned self. I. humilis (arenari...
■(MDB) 'Opal Blush' 2005, Willott 'Opal Blush' (Anthony and Dorothy Willott, R. 2004). Sedling #W 03 14. MDB, 7" (18 cm). Early bloom and re bloom. Standards and ...
(MDB) 'Orchid Elf' 1964, Brown 'Orchid Elf' (Alta Brown, R. 1963). Seedling #D 195 3. MDB, 5" (13 cm). Very early bloom. Color Code V1. Rosy orchid self, small pl...
(MDB) 'Owaissa' 1934, Sass ‘Owaissa’ (Jacob Sass, R. 1934). DB, 7" (18 cm). Early bloom. Color Class B1M. Lavender and blue violet bitone; yellow beards. Parentag...