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Sunken stomata are like normal stomata except they are literally sunken into the leaf a few micrometres. they are usually in a little chamber- imagine a tiny C shape cut into the leaf, and the stomata being on the inside curve of the the C, and the ends of the C being the outside of the leaf. they help prevent transpiration and loss of water vapour as they are more protected from external conditions that speed up transpiration such as winds than stomata which aren't sunken. sunken stomata are usually protected by hairs in the chambers, and these hairs are called trichomes. they trap the water vapour, whcih also helps prevents water loss.
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Which plants have sunken stomata?
generally xerophytic plants have sunken stomata
Presence of sunken stomata in leaves indicates the character of which type of plant?
hydrophytes
What are 2 adaptations of gymnosperms?
the needels have a very thick cutical that helps pervent water loss as well as a sunken stomata
How does a plant manages the conflict between the loss of water through transpiration and the need for C02 for photosynthesis?
By putting control over opening and closing of stomata and also creating the devices to minimize the loss of water by transpiration, such as position of stomata on the lower surface of leaf, away from sunlight, presence of hairs and sunken stomata etc.
Where are the stomata on cactus?
The stomate are located in the same place as other plants, leaf and stems. Their stomate are much smaller and sometimes sunken deeper into the surfaces to help keep water loss at a minimum. Also, the stomate on catus only open at night when it is cool outside.
Which plants have sunken stomata?
generally xerophytic plants have sunken stomata
Presence of sunken stomata in leaves indicates the character of which type of plant?
hydrophytes
Why stomata are present only on lower epidermis in nerium leaf?
as nerium is a xerophyte i.e.as it cannot take in sufficient amount of needed water,the sunken stomata are present in the lower epidermis to reduce loss of water by transpiration.there are also certain hair present in the sunken stoma to protect it.
Botanists believe that gymnosperm leaves have evolved sunken stomata below the leaf surface to reduce water loss from?
Transpiration.
What are 2 adaptations of gymnosperms?
the needels have a very thick cutical that helps pervent water loss as well as a sunken stomata
How does a plant manages the conflict between the loss of water through transpiration and the need for C02 for photosynthesis?
By putting control over opening and closing of stomata and also creating the devices to minimize the loss of water by transpiration, such as position of stomata on the lower surface of leaf, away from sunlight, presence of hairs and sunken stomata etc.
Where are the stomata on cactus?
The stomate are located in the same place as other plants, leaf and stems. Their stomate are much smaller and sometimes sunken deeper into the surfaces to help keep water loss at a minimum. Also, the stomate on catus only open at night when it is cool outside.
What are three adaptations of a cactus?
The leaves of a cactus have been reduced to spines to deter herbivory. The stems are fleshy and photosynthetic. The stomata are sunken into the surface of the leaf to increase the boundary layer.
What is the small opening under a leaf called?
Stomata
How are stomata adapted to their function?
plants have thick cuticles some lose their leaves in winter some have spiral leaves most of stomata on the bottom side of the leaves (less contact with sunlight) shinny leaf surface, reflects sunlight, less heat absorbed guard cells, tells the stomata to close when in short supply of water
What part of the structure of the leaf minimizes water loss?
Stomata and the thickness of the leaf
What are some differences between xerophyte and phreatophyte?
Xerophytes are known for having stomata that are fewer in number, sunken, waxy and\or open only at night. Hydrophytes often lack cuticle, because there is no need to prevent water loss. stomata are larger in quantity and typically open.
