16 Questions
What is unique about the stem of Silajila?
It is monopodial, meaning it grows from a single apex
What is the function of rhizoids in Silajila?
They anchor the plant and absorb water and nutrients
What are the two types of stem structures found in Silajila?
Homoiodic and heterotopic
What is the purpose of rhizomes in Silajila?
They produce new plants
In which type of environment does Silajila typically grow?
Shaded regions with high humidity and low light
In which countries can Silajila be found?
Tropical countries, including India
What is a distinctive feature of the leaves of Silajila?
They are small, simple, and lack a true petiole
What is a significant use of Silajila?
It has medicinal properties and is used in traditional medicine
What is the primary characteristic of the habitat of Silajila?
Shaded regions with high humidity and low light
What is the arrangement of leaves on the stem of Silajila?
Spiral
What is the characteristic of the size of Silajila?
Variable, ranging from a few cm to 20 meters
What is the characteristic of the stem of Silajila?
Monopodial, with a single growing point
What is the function of the rhizoids in Silajila?
To absorb water and nutrients
What is a significant use of Silajila?
In traditional medicine
What is unique about the leaves of Silajila?
They have a pointed apex
What is the characteristic of the growth habit of Silajila?
Erect, but can be prostrate
Study Notes
Silajila (Teridophyte)
- Introduction to Silajila, a type of Teridophyte
- Silajila is a long topic, to be covered in multiple parts
Habitat and Distribution
- Found in tropical countries, including India (around 70 species)
- Grows in shaded regions with high humidity and low light
- Found in tropical rainforests, temperate regions, and tropical mountains
External Morphology
- Silajila has an evergreen, delicate habit
- Its size varies greatly, from a few cm to 20 meters
- Stem is monopodial, meaning it grows from a single apex
- Leaves are small, simple, and arranged spirally on the stem
- Stem is erect, but can also be prostrate (lying down)
Stem Structure
- Stem is divided into two parts: homoiodic and heterotopic
- Homoiodic: similar in structure
- Heterotopic: different in structure
- Epidermal cells are present on the surface of the stem
- Meristematic tissue is present in the growing region of the stem
Leaf Structure
- Leaves are small, simple, and lack a true petiole
- They have a pointed apex and are arranged spirally on the stem
- Leaves are of two types: small and large
- Small leaves are present on the dorsal side of the stem
- Large leaves are present on the ventral side of the stem
Rhizomes
- Rhizomes are underground stems that produce new plants
- They are root-like structures that grow horizontally
- Rhizomes produce new shoots and roots at their tips
Roots
- Roots are absent in Silajila
- Instead, it has rhizoids that anchor the plant
- Rhizoids are small, root-like structures that absorb water and nutrients
Importance
- Silajila has medicinal properties
- It is used in traditional medicine to treat various ailments
Silajila (Teridophyte)
- Silajila is a type of Teridophyte found in tropical countries, including India with around 70 species.
Habitat and Distribution
- Grows in shaded regions with high humidity and low light.
- Found in tropical rainforests, temperate regions, and tropical mountains.
External Morphology
- Evergreen, delicate habit with varying sizes from a few cm to 20 meters.
- Stem is monopodial, growing from a single apex.
- Leaves are small, simple, and arranged spirally on the stem.
- Stem can be erect or prostrate (lying down).
Stem Structure
- Stem is divided into two parts: homoiodic (similar in structure) and heterotopic (different in structure).
- Epidermal cells are present on the stem's surface.
- Meristematic tissue is present in the growing region of the stem.
Leaf Structure
- Leaves are small, simple, and lack a true petiole.
- Leaves have a pointed apex and are arranged spirally on the stem.
- Two types of leaves: small (on dorsal side of stem) and large (on ventral side of stem).
Rhizomes
- Rhizomes are underground stems that produce new plants.
- They are root-like, growing horizontally and producing new shoots and roots at their tips.
Roots
- Roots are absent in Silajila.
- Instead, it has rhizoids that anchor the plant and absorb water and nutrients.
Importance
- Silajila has medicinal properties and is used in traditional medicine to treat various ailments.
Silajila (Teridophyte)
- Silajila is a type of Teridophyte found in tropical countries, including India with around 70 species.
Habitat and Distribution
- Grows in shaded regions with high humidity and low light.
- Found in tropical rainforests, temperate regions, and tropical mountains.
External Morphology
- Evergreen, delicate habit with varying sizes from a few cm to 20 meters.
- Stem is monopodial, growing from a single apex.
- Leaves are small, simple, and arranged spirally on the stem.
- Stem can be erect or prostrate (lying down).
Stem Structure
- Stem is divided into two parts: homoiodic (similar in structure) and heterotopic (different in structure).
- Epidermal cells are present on the stem's surface.
- Meristematic tissue is present in the growing region of the stem.
Leaf Structure
- Leaves are small, simple, and lack a true petiole.
- Leaves have a pointed apex and are arranged spirally on the stem.
- Two types of leaves: small (on dorsal side of stem) and large (on ventral side of stem).
Rhizomes
- Rhizomes are underground stems that produce new plants.
- They are root-like, growing horizontally and producing new shoots and roots at their tips.
Roots
- Roots are absent in Silajila.
- Instead, it has rhizoids that anchor the plant and absorb water and nutrients.
Importance
- Silajila has medicinal properties and is used in traditional medicine to treat various ailments.
Learn about Silajila, a type of Teridophyte, including its habitat, distribution, and external morphology. Covers its characteristics, growth habitats, and more.
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