[M. stellata], cv. (Callaway, Dorothy J. The World of Magnolias, p. 160, 1994). 'Polyploid form induced by colchicine treatment. Similar to typical Magnolia kobus var. stellata, but larger in all characters, including flowers. Created and selected by August Kehr, Hendersonville, North Carolina. Registered in 1991.' [Magnolia Society]

Tetraploid obtained by colchicine treatment Aug. Kehr (R16-9).. Leaves and flowers bigger than stellata. Grown from cuttings, this plant will develop in a very symmetrical tree. [Magnolia Store]