3. Identification of Polyploidy (1)Direct Identification Cytological observation: root tip/stem tip (2)Indirect Identification Giantness in the polyploid plants leaf flower fruit seed chloroplast storma pollens3. Identification of Polyploidy (1) Direct Identification Cytological observation: root tip/stem tip (2) Indirect Identification Giantness in the polyploid plants - leaf - flower - fruit, seed - chloroplast - storma - pollens