nonscriptus,-a,-um from L. non, not; scriptus, marked, writton upon: unmarked, not written upon; without spots (resembling characters), unspotted, stainless
 
85096 539846 Hyacinthoides non-scripta (L.) Chouard ex Rothm. [125 539952 Hyacinthus non-scriptus L.] W. Curtis, Bot. Mag., vol. 36 : t. 1461 (1812) [S.T. Edwards]