Dictionary.net

• t[=u]'ri-on, n. a shoot from an underground bud, growing upward into a new stem.--adj. TURIONIF'EROUS. [L. turio, a shoot.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• (bot.). Young scaly shoot rising from ground as in asparagus, hops, &c. Hence turioniferous a. [Latin]

1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry