cycad
C2Pronunciation
UK
- /sˈaɪkæd/
US
- /sˈaɪkæd/
Description
- Ancient cone-bearing plant
- palm-like leaves
- living fossil
Imagine a plant that looks a bit like a fern crossed with a palm tree—that’s what a cycad can look like. These aren’t true palms, though. They are ancient plants, dating back to long before the dinosaurs, and they do best in warm, tropical or subtropical climates. You might see them as decorative plants in gardens or parks, adding a touch of “prehistory” to the landscape. Think of them as living fossils—survivors from a bygone era.
Cycads reproduce using cones, more like pine trees than flowering plants. They do make seeds, but the seeds aren’t sealed inside a fruit—they develop on the cone itself. They’re often mistaken for palms because of their big, feather-like leaves, but if you look closely at the trunk and the way new leaves emerge in a tight bundle, you’ll see they’re quite different. Some cycads are poisonous, too, so it’s best to admire them without tasting or handling the seeds.
Cycads represent a fascinating group of seed plants that have existed for hundreds of millions of years—predating many familiar plant types, including flowering plants. They are often described as "living fossils" because their basic look has remained remarkably consistent since the Mesozoic Era. These evergreen plants are characterized by their stout, woody trunks and a crown of large, pinnate (feather-like) leaves that radiate outward in a striking display.
While they look similar to palms or ferns, cycads are not closely related to either. They are gymnosperms, meaning they reproduce via cones. They are also dioecious, which means an individual plant is either male or female; the male cones release pollen that must travel—often via wind or specialized beetles—to a female cone to fertilize the seeds. This is a reproductive strategy shared with conifers like pine trees.
Cycads are native to tropical and subtropical regions across the globe, particularly in Africa, Asia, Australia, and parts of the Americas. They are highly prized as ornamental plants in landscaping due to their unique architectural form and extreme resilience. However, it's important to note that many cycad species contain potent neurotoxins and carcinogens, making them dangerous if ingested by humans or pets.
Historically, some cycads were used as a source of starch for indigenous populations, but only after extensive and careful processing to leach out the toxins. Today, conservation efforts are vital, as many cycad species are critically endangered due to habitat loss and the illegal plant trade. When you encounter a cycad, remember you are looking at a piece of living history—a resilient survivor from a world long before our own.
Examples
- 1
Greenhouse
There’s a cycad in the middle of the greenhouse.
Meaning
cycad
a tropical plant with a thick trunk and stiff leaves
- 2
Slow growth
These cycads grow very slowly, so large ones can be expensive.
- 3
Plant group
Although it looks a bit like a palm, a cycad belongs to a different plant group.
Forms and spellings
1 form open this card.
Main spelling
- cycadnoun