Family · Rosids

Betulaceae

Birches, alder, hazel

Birch family: temperate trees and shrubs bearing catkins, including birches, alders, hazels and hornbeams.

Accepted species: 212accepted names · Kew WCVP
Genera: 6accepted genera · Kew WCVP
Origin: ≈68 MaCretaceous · crown age, Jin & Qian 2022 megatree
Centre of diversity: Asia-Temperatemost native species · WGSRPD

Open Betulaceae in the treePan, zoom and dig into its genera in the interactive view.

Plants you might know

Betula (birch)
Alnus (alder)
Corylus (hazel)

Genera

Betula89 spp.
Alnus48 spp.
Carpinus47 spp.
Corylus17 spp.
Ostrya8 spp.
Ostryopsis3 spp.

Where it grows

Asia-Temperate158
Northern America44
Europe28
Asia-Tropical13
Southern America5
Africa2

Native species richness by botanical continent (WGSRPD level 1), from Kew WCVP.

Related families

Betulaceae sits in the order Fagales.