Joshua Tree

Yucca brevifolia · Plant

The Joshua tree is a tree-like yucca that defines the Mojave Desert landscape. It depends on a single partner, the yucca moth, for pollination.

Key facts

Scientific name
Yucca brevifolia
Kind
Plant
Conservation status
Not listed
Habitat
Desert
Range
Mojave Desert, southwestern United States
Size
Up to about 12 m tall
Lifespan
Often 150 years; some live for centuries
Diet
Photosynthesis
Activity
Evergreen · blooms in spring
Population
Restricted to the Mojave Desert

Diet

Stores water in its fibrous trunk and has deep and widespread roots to capture scarce rain.

Behavior

Yucca moths pollinate its flowers and lay their eggs inside; the larvae eat some seeds but leave enough for the tree to reproduce.

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Asparagales
Family
Asparagaceae
Genus
Yucca
Species
Y. brevifolia

Conservation

Climate change is expected to shrink the area suitable for Joshua trees, and the 2020 Dome Fire killed an estimated 1.3 million of them.

Main threats

  • Climate change
  • Wildfire
  • Development

Habitats

Stories about the joshua tree

Related species

Identify the joshua tree in BioQuest