filamentous

[ fil-uh-men-tuh s ]

/ ˌfɪl əˈmɛn təs /

composed of or containing filaments.

pertaining to or resembling a filament.

RELATED WORDS

First recorded in 1665–75; filament + -ous

in·ter·fil·a·men·tous, adjectivenon·fil·a·men·tous, adjectiveun·fil·a·men·tous, adjective

In structure they are expanded or filamentous, nearly always rose-coloured or purple in colour.
Sea-Weeds, Shells and Fossils|Peter Gray
Pod 1° long, with linear stalk, containing many seeds separated by filamentous isthmuses.
The Medicinal Plants of the Philippines|T. H. Pardo de Tavera
In a similar way the petals and labellum of Odontoglossum Uro-Skinneri have been found reduced to filamentous processes.
Vegetable Teratology|Maxwell T. Masters
Usually the protonema is filamentous and ceases to be evident after the plants have developed.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3|Various

Filamentose, or Filamentous, bearing or formed of slender threads.
The Elements of Botany|Asa Gray