Usa "coriaceous" in una frase

1. The exterior valve of the calyx, in the perfect flowers, is ovate, obtuse, very thick, cartilaginous, the inner margin inflected, and deeply marked on its outer surface with from three to five corrugations, with longitudinal ridges between them; the interior valve is smaller, of equal length, acute, ruled, coriaceous, smooth, and with the inner margin also inflected

2. Valves of the calyx nearly equal, lanceolate, acute, coriaceous, polished, the inner margin of each inflected