sericeous
se.ri.ceous \s*-'rish-*s\ aj [LL sericeus, fr. L sericum silk garment, silk, fr. neut. of ser]icus silken, fr. Gk se-rikos, fr. Se-res, an eastern Asiatic people producing silk in ancient times 1: of, relating to, or consisting of silk : SILKY 2: finely pubescent {~ leaf}