Seeds of Florida elms: the samara of (a), white ash (Fraxinus americana); (b), slippery elm (Ulmus rubra); and (c), sweet birch (Betula lenta).

Florida Elms

Seeds of Florida elms: the samara of (a), white ash (Fraxinus americana); (b), slippery elm (Ulmus rubra);…

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged.

Key

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged.

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged.

Key

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged.

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged. This is a pair of keys.

Key

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged. This is…

"1. Acer circinatum. 2. flower of A. campestre; 3. its samara; 4. the same, with the seed laid bare; 5. the embryo unfolded." -Lindley, 1853

Vine Maple

"1. Acer circinatum. 2. flower of A. campestre; 3. its samara; 4. the same, with the seed laid bare;…

"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

Pokeweed

"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

These are the fruit, or samara, of Winged Elm, Ulmus alata, (Keeler, 1915).

Winged Elm Fruit

These are the fruit, or samara, of Winged Elm, Ulmus alata, (Keeler, 1915).