A longitudinal section (LS) represents a vertical slice revealing the flower's internal organization from its apex to its base, aiding in the analysis of floral anatomy.
| List I | List II |
|---|---|
| A. Scutellum | II. Cotyledon of Monocot seed |
| B. Non-albuminous seed | IV. Rudimentary cotyledon |
| C. Epiblast | III. Groundnut |
| D. Perisperm | I. Persistent nucellus |