transpiration, in botany, a plant’s loss of water, mainly through the stomata of leaves. Stomatal openings are necessary to admit carbon dioxide to the leaf interior and to allow oxygen to escape during …

Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. It is a passive process that requires no energy expense by the …

Feb 10, 2026 · Transpiration is the process by which plants absorb water through their roots, transport it upward through vascular tissues, and release it as water vapor from their aerial parts, primarily the …

Oct 4, 2019 · Transpiration is the evaporation of water from plants. Most of the water absorbed by the roots of a plant—as much as 99.5 percent—is not used for growth or metabolism; it is excess water, …

Feb 17, 2023 · Transpiration is the biological process by which water is released in the air as water vapor through minute pores called stomata. It occurs through the aerial parts of the plant, such as …

Transpiration - What and Why? What is transpiration? In actively growing plants, water is continuously evaporating from the surface of leaf cells exposed to air. This water is replaced by additional …

Mar 15, 2026 · Transpiration is how plants release water vapor through their leaves. Learn what drives the process, why it matters, and how plants control water loss.

The atmosphere to which the leaf is exposed drives transpiration, but also causes massive water loss from the plant. Up to 90 percent of the water taken up by roots may be lost through transpiration.

Transpiration refers to the loss of water vapor through plant stomata, mainly in the leaves. Hot, dry, and windy conditions increase transpiration rate.

Transpiration Transpiration (abbreviated E) is the loss of water from plants by evaporation. It is an extremely important process - for example, in untouched areas of the Amazon, nearly half (50%) of …