The most famous monocarpic  perennial is probably bamboo, which can stay in its vegetative  state for up to 100 years.

最著名的多生单果可能是，可以保持物状态长 100 。

Giant hogweed is a monocarpic perennial,   meaning it flowers only once after being in a vegetative state for a long period  of time.

巨型猪草是一种单果多生物，这意味着在长时间处于物状态后只开花一次。