What are the four major leaf arrangements?
The arrangement of leaves on a stem is known as phyllotaxy; leaves can be classified as either alternate, spiral, opposite, or whorled.
What are the examples of whorled phyllotaxy?
An example of whorled phyllotaxy (1) Kaner (2) Rose (3) Mint (4)…
- Alternate – In this variety of phyllotaxy, a single leaf originates at each node and leaves are arranged in an alternate fashion.
- Opposite – In this class of arrangement, two leaves arise at each node and they lie opposite each other.
What is the whorled leaf arrangement?
A plant has whorled leaves when there are three or more equally spaced leaves at a node.
What are the 2 leaf types?
What are the different types of leaves? There are two different types of leaves – simple and compound leaves. Simple leaves are lobed or divided but do not form distinct leaflets. Whereas, in a compound leaf the leaves are divided into distinct leaflets and each leaflet has a small petiole.
What are different types of leaves?
Types of Leaves
| Leaf Type | Description | Examples |
|---|---|---|
| Simple | single, undivided lamina | maple |
| Compound | two or more leaflets (divided lamina) | clover |
| Palmately Compound | leaflets attached at petiole and fan outward | chestnut |
| Pinnately Compound | leaflets are attached at midrib | hickory |
What is Rosulate leaf arrangement?
Botany. Of parts of a plant (especially leaves): forming a rosette; arranged like the petals of a rose. Also (of a plant): having leaves arranged in this pattern.
What are the 4 functions of a leaf?
CONTENTS
- Photosynthesis.
- Transpiration.
- Guttation.
- Storage.
- Defense.
What phyllotaxy does tulsi have?
A node in whorled phyllotaxy has more than two leaves. Tulsi and kaner plants are examples of this. The leaves are placed in pairs on either side of the same node in opposing phyllotaxy.
In which plant whorled phyllotaxy is present?
So, the correct option is ‘Nerium’.
What is Lanceolate leaf?
Lanceolate refers to a leaf, sepal, petal, or other flat structure that is wider at the base than at the midpoint, tapers toward the apex, and has a length-to-width ratio of 3:1 or more.
What are the 2 main functions of the leaves?
Conclusion: The leaf carries out two important functions i.e. photosynthesis and transpiration.
Is tulsi whorled phyllotaxy?
The examples of plants of whorl type phyllotaxy will be sunflower, tulsi, sergula, alstonia etc.
Which type of leaf is tulsi?
holy basil, (Ocimum tenuiflorum), also called tulsi or tulasi, flowering plant of the mint family (Lamiaceae) grown for its aromatic leaves.
What is the phyllotaxy of aloe vera?
Answer. Botanic description. The cactus-like succulent aloe vera belongs to the genus of the liliaceous plants. The plant is either stem-less or very short-stemmed (stem up to 25 cm long) with an average about 20 leaves in a straight, dense rosette.