释义 |
不定根bùdìnggēn不是从胚轴的下端生出来的根。有的不定根从茎的节上生出来,如禾本科植物的根;有的从叶片上生出来,如秋海棠的根。{adventitious root; root that does not derive from the plumular axis, but from joints of the stem, e.g. roots of gramineous plant, some deriving from the leaves, e.g. roots of the begonia} |