stereome

stereome

(ˈstɛrɪˌəʊm)
n
(Botany) botany rare the tissue of a plant that provides mechanical support
References in periodicals archive ?
Podetial wall 80-120 [micro]m; cortex 20-30 [micro]m; medulla 0-20 [micro]m; stereome 80-100 [micro]m.
They differ by the presence of fine soredia, usually rather scarce and best found near the tips or the base, and the stereome is thinner, not turning translucent and brownish.
Podetial wall 140-215 [micro]m; cortex 15-20 [micro]m; medulla 20-35 [micro]m; stereome 170180 [micro]m, translucent to opaque, very hard, distinctly delimited from medulla; surface of central canal slightly uneven.
Podetial wall 230-335 [micron]m, cortex 20-25 [micron]m thick, medulla 70-112 [micron]m, stereome 135-205 [micron]m.