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ITEM NO: |
PLCD1381 |
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CATEGORY: |
PLANT & FLOWER RENTALS |
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GALLERY: |
Cacti & Desert Plants: Live |
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NAME: |
Joshua Tree |
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DESCRIPTION: |
Joshua Tree (Yucca brevifolia)
The Joshua Tree, the largest of the yuccas, grows only in the Mojave Desert. Natural stands of this spike-leafed evergreen grow nowhere else in the world. Its height varies from 15-40 feet with a diameter of 1-3 feet. Joshua trees (and most other yuccas) rely on the female Pronuba Moth for pollination. No other animal visiting the blooms transfers the pollen from one flower to another. In fact, the female Yucca Moth has evolved special organs to collect and distribute the pollen onto the surface of the flower. She then lays her eggs in the flowers' ovaries,and when the larvae hatch, they feed on the yucca seeds.
Without the moth's pollination, the Joshua Tree could not reproduce,nor could the moth, whose larvae would have no seeds to eat. Although an old Joshua Trees can sprout new plants from its roots, only the seeds produced in pollinated flowers can scatter far enough to establish a new stand.
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