Bark and leaves not aromatic.
Staminate and pistillate flowers and fruit in
catkins.
Scales of winter buds 2, ovary many-seeded,
seeds with a tuft of hairs at the summit Salix in
Salicaceæ 34
Scales of winter buds more than 2, ovary
1-seeded, seeds without a tuft of hairs
at the summit Betulaceæ 78
Staminate and pistillate flowers and fruit not
in catkins.
Fruit dry.
Fruit a samara Ulmus
in Ulmaceæ 137