noun
: a theory in evolutionary botany: the sporophyte of the vascular plant derives from a primitive form resembling or equivalent to a strobilus of sporophylls
noun
: a theory in evolutionary botany: the sporophyte of the vascular plant derives from a primitive form resembling or equivalent to a strobilus of sporophylls
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012