Question

why psilotum is called living fossil?​

Answer 1

Answer:

Hey mate your ans here :-

Psilotum was long considered a 'fern ally', a surviving remnant of an extinct Devonian flora (because of its apparent similarities to the fossil plant Rhynia). Psilotum is the only living vascular plant to lack both leaves and roots, hence the generic name that derives from the Greek word for bare or smooth.

Hope it helps you. ❤❤

Answer 2

Psilotum is the only living vascular plant to lack both leaves and roots so they are called living fossils.

Explanation:

• This is found on Rangitoto Island, Auckland. This is basically grown in the crevices between rocks.

• The bush height ranges up to 18 inches.

• This is mostly regarded as into two distinct species named as P. Flaccidum and P.triquetrum.

• The morphological structure contains equal branching and stem is sometimes longitudinally ribbed and leaves are small and irregular.

• Their leaves also contain irregularly placed scales which response to unfavourably conditions to protect it.

Learn more about  psilotum

Synangia of Psilotum

https://brainly.in/question/7182691

Describe the life history of psilotum with suitable sketches​