In structure they are expanded or filamentous, nearly always rose-coloured or purple in colour.
Pod 1° long, with linear stalk, containing many seeds separated by filamentous isthmuses.
In a similar way the petals and labellum of Odontoglossum Uro-Skinneri have been found reduced to filamentous processes.
Usually the protonema is filamentous and ceases to be evident after the plants have developed.
Filamentose, or Filamentous, bearing or formed of slender threads.
