Annonaceae
Custard apple family

Aquifoliaceae
Holly family

Betulaceae
Birch family

Ericaceae
Heath family

Asimina.
Pawpaw

Ilex.
Holly

Alnus.
Alder

Betula.
Birch

Corylus.
Hazelnut

Gaultheria.
Wintergreen & Teaberry

Rhododendron.
Azaleas and Rhododendrons

Vaccinium.
Blueberry and others

What's a Perianth?

What is a Style (regarding carpels)

Botanically, what is a spine?

How do air pockets in a Samara relate to seed dispersal of Alnus (Alder)?

What nutrients are found in male catkins?

What is the corolla?

What is a calyx?