noun
nectar guide; pollen guide; flower guide
Botanical term for patterns on petals that guide pollinators to nectar. Used in scientific and gardening contexts.
この花の蜜標は紫外線でよく見える。
The nectar guides of this flower are clearly visible under ultraviolet light.
蜜標は、昆虫を蜜へと導く役割を果たす。
Nectar guides serve to lead insects to the nectar.