For those who want more scary additions to a Halloween scene than just a carved pumpkin lantern, here are some plants to ...

Most giant sequoias live in California’s Sierra Nevada, a mountain range wedged between Fresno, Lake Tahoe, and the Death ...

Normally, such flower structures are seen perched aloft, upon tall flower stalks, as is the case with those giant ornamental onions (Allium giganteum) and giant white squills (Drimiopsis kirkii).

Some of these were apparently enormous: The shell of the long-extinct Endoceras giganteum may have been more than 18 feet long. Today there are more than 750 known living species of cephalopods.

It’s a giant sequoia, a member of Sequoiadendron giganteum, one of several surviving species of redwoods. The living crown (this one atop the General Sherman, at center) was once a distant mystery.

Giant onion (Allium giganteum) is the most notable of the group as its stems reach 18 inches in height and its purple floral ...

Sequoia National Park was explicitly created to protect a living organism: Sequoiadendron giganteum, or the "giant sequoia" tree. On This Day In History, September 24, 1934, Babe Ruth Plays His ...

Rafflesia (Rafflesia keithii), Borneo. This plant has no stem or leaves, instead it is a parasite on a vine. By feeding on its host, rafflesia is able to produce the world's biggest flower, a ...