兰花的根较为粗壮、肥大，一般无主根与支根之分，差不多一样粗细，是典型的肉质根。根的最外层是根被组织，中层为皮层组织，细胞比较发达，根的内层为中心柱，即兰根腐烂后留存的线状的“筋”。人们在莳养过程中，常有分株、移栽不慎折断根系造成创伤，或用土过细、肥量过大 Orchids more sturdy roots, hypertrophy, no main root and branching, almost the same thickness, is a typical fleshy root. Roots are the root of the outermost tissue, the middle layer of cortical cells are more developed, the root of the inner column as the central column, that Langen decay after the retention of the linear “ribs.” People in raising process, often ramets, transplanting inadvertently broken roots caused by trauma, or the soil is too small, excessive fat