Pinus Structure, Reproduction & Life-Cycle. Dr. Maninder Kaur Associate Professor Botany Post Graduate Government College for Girls Sector-11, Chandigarh. Systematic Position. Gymnospermae Division: Coniferophyta Class: Coniferopsida Order: Coniferales Family: Pinaceae
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Associate Professor Botany
Post Graduate Government College for Girls
Pinus – T.S. of Old Stem
Pinus – T.S. Needle
tissue present in the middle
In Longitudinal Section