filipendulous

a.

[L. filum a thread + pendulus hanging, fr. pendēre to hang.]
(Bot.) Suspended by, or strung upon, a thread; -- said of tuberous swellings in the middle or at the extremities of slender, threadlike rootlets.

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[fr. NL]   hanging or having the appearance of hanging by a thread   {in Webster's 1864 Dict.}