lutum, = a plant used in dyeing yellow, yellow-weed, dyer’s weed, weld; a yellow colour, yellow;
-eus, = indicates material or colour or resemblance in quality.
luteus, = golden-yellow, saffron-yellow, orange-yellow. (ld, BL)
Monopsis simplex (La) Purple Face (Vo) Location: (F)
simplex, = simple, plain, uncompounded, unmixed.
(simple, undivided, unbranched, of one species or series, not consisting of several distinct parts) (ld, BL)