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Plant Leaf Identification | Garden Guides

Fig. 1. A leaf cross-section of a typical broad-leaved plant illustrating the arrangement of major cells and tissues. Flavonoids accumulate in the thin epidermal tissue where they absorb UV light while transmitting visible light, which is used for photosynthesis of the mesophyll tissue. Increases in flavonoids (plant sunscreens) in the epidermis will decrease the penetration of UV to sensitive targets in the underlying tissues.

Leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant

Most leaves are flat and contain ; their main function is to convert energy from sunlight into chemical energy (food) through photosynthesis.
- the part of the stem of a plant from which a leaf, branch, or aerial root grows; each plant has many nodes.

Quia - Quiz Plants: Leaf structure and photosynthesis


- the angle between the upper side of the stem and a leaf, branch, or petiole.
- a bud that develops in the axil.
- the reproductive unit of .
- the structure that supports the .
- the area of the stem between any two adjacent nodes.
- an offshoot of the stem of a plant.
- an outgrowth of a plant that grows from a node in the stem.

photosynthesis A. sunlight is absorbed by chlorophyll in a leafB. carbon dioxide is taken in from the airC. water is transported from the rootsD. glucose is synthesized and distributed throughout the plantE. oxygen is released

Plant: Photosynthesis and Leaf Essay - 335 Words | …

Key to photosynthesis is the presence of chlorophyll, a pigment which resides in the chloroplasts within plant cells. Chlorophyll is green, which is why most leaves are green (other pigments within the leaf are red, orange or yellow and these are sometimes more numerous, giving a different leaf colour, or show through when the chlorophyll pigments break down in autumn, hence the leaves changing colour). The primary sites for photosynthesis are on the leaves, although chloroplasts are generally also quite numerous in external stem cells.

photosynthesis A. sunlight is absorbed by chlorophyll in a leafB. carbon dioxide is taken in from the airC. water is transported from the rootsD. glucose is synthesized and distributed throughout the plantE. oxygen is released

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In which part of a leaf does photosynthesis occur - …

Leaves are the food making factories of green plants. Leaves come in many different shapes and sizes. Leaves can be . They are made of a single leaf blade connected by a to the stem. An oak leaf or a maple leaf are examples. A leaf is a leaf made up of separate leaflets attached by a petiole to the stem like an ash or a locust.

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