शीतोदकीयं पद्माभं कालस्निग्धं वा ॥ कZ_०२.११.५३ ॥
śītodakīyaṃ padmābhaṃ kālasnigdhaṃ vā
‘शीतोदकीया’ कमळासारखी दिसते, किंवा काळी व स्निग्ध/चमकदार असते.
It signals a recognizable sheen/appearance associated with quality; such cues support rapid field verification without specialized instruments.