LIGNEOUS
ligneous
(adjective) consisting of or containing lignin or xylem; “ligneous (or woody) tissue”
Source: WordNet® 3.1
Etymology
Adjective
ligneous (comparative more ligneous, superlative most ligneous)
Of, or resembling wood; woody.
(botany) Containing lignin or xylem.
Source: Wiktionary
Lig"ne*ous, a. Etym: [L. ligneus, fr. lignum wood. Cf. Lignous.]
Definition: Made of wood; consisting of wood; of the nature of, or
resembling, wood; woody.
It should be tried with shoots of vines and roots of red roses; for
it may be they, being of a moreligneous nature, will incorporate with
the tree itself. Bacon.
Ligneous marble, wood coated or prepared so as to resemble marble.
Source: Webster’s Unabridged Dictionary 1913 Edition