eriosema psoraleoides

Alnus acuminata is a species of deciduous tree in the Betulaceae family. It is found in montane forests from central Mexico to Argentina.

Alnus acuminata grows up to 25 metres (80 ft) tall with a straight trunk up to 150 centimetres (60 in) thick. The bark has many yellowish lenticels. The leaves are simple, oval with toothed margins. The inflorescences are catkins, separate male and female flowers on the same tree. The male flowers are up to 12 cm (5 in) long and pendulous, while the smaller female ...