Island bristleweed facts for kids
Quick facts for kids Island bristleweed |
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Scientific classification  |
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Hazardia |
| Species: |
H. detonsa
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| Binomial name | |
| Hazardia detonsa (Greene) Greene 1887
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Hazardia detonsa is a special kind of shrub often called the island bristleweed. It's a very rare plant that grows only on a few islands off the coast of California. These islands are part of the Channel Islands.
Contents
Discovering the Island Bristleweed
The island bristleweed is a unique plant. It is a type of shrub that belongs to the Asteraceae family. This family also includes sunflowers and daisies.
Home on the California Channel Islands
This plant is endemic to the Channel Islands of California. This means it naturally grows nowhere else in the world. You can find it on four of these islands: Santa Rosa, Santa Cruz, West Anacapa, and Middle Anacapa.
What the Island Bristleweed Looks Like
The Hazardia detonsa is a bushy shrub. It can grow from about 60 centimeters (2 feet) to 2.5 meters (8 feet) tall. Its stems are whitish.
Leaves and Texture
The plant has thick, oval-shaped leaves. These leaves can be up to 14 centimeters (5.5 inches) long. They feel very woolly and have small glands. The edges of the leaves are serrated, meaning they have a saw-tooth pattern.
Beautiful Yellow Flowers
At the ends of its stems, the plant grows bell-shaped flower heads. Each flower head is about one centimeter long. They have several rows of white, woolly phyllaries. These are like small leaves that protect the flower.
Inside the flower heads, you'll see tiny yellow flowers. These are called disc florets and ray florets. The ray florets stick out a bit more. Sometimes, these yellow flowers change color to red or purple as they get older.
Protecting This Special Plant
For a long time, the island bristleweed faced a big threat on Santa Cruz Island. This threat came from wild Santa Cruz sheep. These sheep would eat the plants, making it hard for them to grow and survive.
A Story of Recovery
Luckily, the sheep have now been removed from Santa Cruz Island. This has given the Hazardia detonsa a chance to recover. The plant is slowly starting to grow back and thrive in its natural home. Protecting rare plants like this helps keep our planet's biodiversity strong.
