It is in flower from July to September, and its seeds ripen from August to October.

Chinese common names for U. thunbergiana translate to "biting cat", "biting nettle", and "stinging herbs" due to the stinging hairs on the plant that can cause skin pain, redness, burning or itching.

[3] Usually, the stinging sensation lasts for about 2 to 4 hours, and some people even feel the pain for 1 to 2 days, depending on the individual's constitution.

[3][4] As with other species in the genus, U. thunbergiana can also be used as a food ingredient, because boiling water can destroy its toxicity.

[4] From 2016 to 2017, Shei-Pa National Park's headquarters commissioned a survey of animals along the Mount Dabajian hiking trail.