macrosclereid

macrosclereid

[‚mak·rō ′skler·ē·əd]
(botany)
A sclereid cell that is rod-like and formed from the embryonic epidermis of certain seed coats.
References in periodicals archive ?
The curling probably occurs because the macrosclereid layer was under great tension when the seed coat was dry.
Seed impermeability has been attributed to the presence of a continuous outer cuticle and, or an epidermis of packed macrosclereids (Werker et al.
The outermost tissue layer is the epidermis (30-45 [micro]m), and it is composed of a stratum of columnar macrosclereids, with their main axis perpendicular to the surface.