What are the characteristics of Nephrolepis?
What are the characteristics of Nephrolepis?
External Features of Nephrolepis:
- Rhizome: It is short, slender, suberect (TV. cordifolia), erect (N.
- Roots: ADVERTISEMENTS: Branched adventitious roots arise from the rhizome and runners in aeropetal succession.
- Leaves: Leaves are tufted, long, narrow and simply pinnate. Steple (a leaf stalk) is 2.5 to 10 cm long in N.
What short of fern is Nephrolepis?
Nephrolepis exaltata, known as the sword fern or Boston fern, is a species of fern in the family Lomariopsidaceae (sometimes treated in the families Davalliaceae or Oleandraceae, or in its own family, Nephrolepidaceae) native to tropical regions throughout the world.
Which type of plant is Nephrolepis?
ferns
Nephrolepis is a genus of about 30 species of ferns. It is the only genus in the family Nephrolepidaceae, placed in the suborder Aspleniineae (eupolypods I) of the order Polypodiales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). (It is placed in the Dryopteridaceae in some other classifications.)
Which is asexual body in Nephrolepis?
Nephrolepis is a genus of ferns having around 30 species. It reproduces vegetatively by buds formation. Nephrolepis reproduces sexually by means of spores. The spores are produced in distinct spore sacs called sporangia.
What is the meaning of Nephrolepis?
Definition of Nephrolepis : a small genus of mainly tropical ferns (family Polypodiaceae) having large pinnate fronds, the pinnae articulated at the rachis, and the sori on the upper branches of the free veins — see sword fern.
What is the example of Nephrolepis?
Sword fern
Nephrolepis cordifolia
Nephrolepis/Lower classifications
Which type of root are present in Nephrolepis?
-In Nephrolepis, mixed sorus is present because without any order of development sporangia arise. That is why the sorus is of mixed type. -The irregular ripening of later sporangium takes place in mixed sorus among earlier ones and regarded as an advanced form of sorus.
Is Nephrolepis Homosporous or Heterosporous?
Match the following : (p) Nephrolepis (i) heterosporous
| A | B |
|---|---|
| (p) Nephrolepis | (i) heterosporous |
| (q) Equisetum | (ii) Fossil |
| (r) Selaginella | (iii) homosporous |
| (s) Rhynia | (iv) Common |
What is the common name of Nephrolepis?
Nephrolepis exaltata (Boston fern)
Which type of sporangium is found in Nephrolepis?
Is Nephrolepis a Gymnosperm?
(d)Angiosperm. Hint: Nephrolepis is a genus of around 30 species of plants and is the only species in its family Nephrol Apiaceae. This genus is also referred to as macho ferns or the sword ferns. They belong to the order of Polypodiales and the division of first vascular plants.
What is sporangia in fungi?
sporangia; from Late Latin, from Ancient Greek σπορά (sporá) ‘seed’, and ἀγγεῖον (angeîon) ‘vessel’) is an enclosure in which spores are formed. It can be composed of a single cell or can be multicellular. Virtually all plants, fungi, and many other lineages form sporangia at some point in their life cycle.
