Magnolia kobus ( Janaki Ammal Kobus Magnolia )
A colchicine induce polyploid form , originating at the Royal Horticultural Society Garden at Wisley . Some consider it a cultivar of M. kobus var . stellata . Deciduous tree diagram or bush , accomplish 80 feet tall with rough brown or silvery gray bark . sprig are greeny - yellow . final bud are covered with silvery hairs . Leaves are politic and dark green with paler green undersides ....