In this article, we propose to discuss about the development and parts of foliage leaf. The three parts of a typical foliage leaf are: (1) The Leaf-Base (Hypopodium) (2) The Petiole (Mesopodium) and (3) The Lamina (Epipodium). Foliage leaves are essential for the plant as leaf is the seat of several very important physiological processes like photosynthesis (which is related [...]
In this article, we propose to discuss about the phyllotaxy (arrangement of leaves). The mode of arrangement of leaves are of two types. They are: (1) Cyclic Phyllotaxy and (2) Spiral or Alternate or Acyclic Phyllotaxy. Phyllotaxy is the mode of arrangement of leaves on the stem. It is surprising how regular and strictly mathematical this is. There is a [...]
The following six points will highlight the six kinds of leaves. They are: (1) Cotyledonary Leaf (2) Cataphylls or Scale Leaves (3) Hypsophylls or Bract Leaves (4) Prophylls (5) Floral Leaves and Sporophylls and (6) Foliage Leaves. Kind # 1. Cotyledonary Leaf: The first leaves on the shoot are represented by the cotyledons. The node on the tigellum where the [...]