The speaker observes a large butterfly on their lilac plant, expressing wonder at its size. The sighting is significant to them, as they note that it is the biggest butterfly they have seen in a while. The butterfly is described as being present on the lilac, emphasizing its beauty and presence in the speaker’s environment. Overall, the speaker’s encounter with the large butterfly on their lilac plant stands out to them due to its size and beauty, leaving a lasting impression on the observer.
