hemicryptophyte
(ˌhɛmɪˈkrɪptəfaɪt) n (Botany) any perennial plant that bears its overwintering buds at soil level, where they are often partly covered by surface debris
[C20: hemi- + cryptophyte]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014