Definitely mind your head when walking by one of these! Ever wondered how big a pine cone can grow? Well, ponder no further. The Coulter pine (Pinus coulteri), an evergreen conifer native to the coastal mountains of southern California and northern Baja California, is known for producing the heaviest and largest cones of any pine species, which can weigh up to 5 kg … [Read more...] about The Widowmaker Pine Cone Is the World’s Largest: It’s So Big It Can Actually Kill You
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Magnified Cross Section of a Pine Needle
This is a magnified cross section of a pine needle. It is a beautiful and intricate structure, with many different parts that work together to keep the pine tree healthy. The outer layer of the pine needle is called the epidermis. It is a protective layer that helps to keep the needle from drying out. Beneath the epidermis is the mesophyll. This is the photosynthetic … [Read more...] about Magnified Cross Section of a Pine Needle