शीतोदकीयं पद्माभं कालस्निग्धं वा ॥ कZ_०२.११.५३ ॥
śītodakīyaṃ padmābhaṃ kālasnigdhaṃ vā
‘शीतोदकीय’ पद्माभं भवति, अथवा कालं स्निग्धं च ।
It signals a recognizable sheen/appearance associated with quality; such cues support rapid field verification without specialized instruments.