The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States of America.

Cuban pine (pinus cubensis Griseb.). Two-thirds natural size. seed

The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States…

The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States of America.

Cuban pine (pinus cubensis Griseb.). Two-thirds natural size. seed wings dorsal view

The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States…

The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States of America.

Cuban pine (pinus cubensis Griseb.). Two-thirds natural size. seed wings ventral view

The Cuban pine, which occurs mostly in the West Indies and South America, as well as the Gulf States…

The carpellate cone of a Scotch pine (Pinus sylvestris).

Scots Pine Cone

The carpellate cone of a Scotch pine (Pinus sylvestris).

The shortleaf pine is mostly associated with with deciduous-leaved trees, often the predominant forest growth in parts of North America.

Shortleaf pine (pinus echinata Mill.). Natural size. seed

The shortleaf pine is mostly associated with with deciduous-leaved trees, often the predominant forest…