(MDB) 'Black Gem' 1969, Williams Black Gem' (Frank A Williams, R. 1969). Seedling #F19. MDB, height 7" (18 cm). Midseason to late bloom. Very dark red violet self...
■(MDB) 'Mitternacht' 1960, van Nes 'Mitternacht' (Hertha van Nes, R. 1960). MDB, 7" (18 cm). Very early bloom. Color Code V3D. Standards dark purple; falls velvet...