Unusual petal-free flowers and coppery pink young leaves of Maddenia hypoleuca, a small tree from China, late March. Sometimes known as Madden cherry - after Colonel Edward Madden, (1805-56), of the Bengal Artillery, who sent seed collected in the high Himalayas between 1841 and 1849 to the botanical garden at Glasnevin in Dublin, Ireland. [rogerstreesandshrubs.com]