ramentum

[ ruh-men-tuh m ]

/ rəˈmɛn təm /

a scraping, shaving, or particle.

Botany. one of the thin, chafflike scales covering the shoots or leaves of certain ferns.

Origin of ramentum

1655–65; < Latin rāmentum a shaving, shred < *rādmentum, equivalent to rād(ere) to scrape + -mentum -ment

ramc, rameau, ramekin, ramen, ramentaceous, ramentum, ramequin, rameses, ramet, rami, ramie

In this the ramenta are confined, or nearly so, to the under surface of the fronds.

Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The |William Griffith
I can see nothing peculiar in the situation of the scales or ramenta to suggest the reason of the situation of the capsules.

Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The |William Griffith
There can be no doubt of the propriety of including the nature of these ramenta and scales in its generic character.

Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The |William Griffith
The scaly hairs, or ramenta, which clothe every part of the plant, are also like those of Ferns.

Darwin and Modern Science |A.C. Seward and Others

Ramentaceous, beset with thin chaffy scales (Ramenta), as the stalks of many Ferns.

The Elements of Botany |Asa Gray

ramentum

/ (rəˈmɛntəm) /

any of the thin brown scales that cover the stems and leaves of young ferns

ramentaceous (ˌræmɛnˈteɪʃəs), adjective

C17: from Latin rādere to scrape