如何区分大叶寒兰和细叶寒兰 How to differentiate Cymbidium kanran of two types

更正一下，视频中的“茎纹”应为“筋纹”。
如何区分大叶寒兰和细叶寒兰 How to differentiate Cymbidium kanran of two types

如何区分大叶寒兰和细叶寒兰differentiateCymbidium