| Digital-Desert : Mojave Desert |
>>> Route 66 <<< From the Heartland to the Coast |
Photography by Walter Feller |
| features - ecology: wildlife - plants - geography: places - region map - map/sat - roads & trails: route 66 - video - aerial - 360 photos - old west - communities - lodging |
| ghost towns - gold mines - parks & ...: joshua tree - death valley - mojave preserve - wilderness - native culture - history - geology: natural features - glossary - comments |
| Trees | Shrubs | Cactus | Grasses | Annuals |
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JOSHUA TREE BOTANICAL AND ECOLOGICAL CHARACTERISTICS SPECIES: Yucca Brevifolia (Joshua Tree) REGENERATION PROCESSES : Seed and seed dispersal: Seeds are contained in dry, spongy, indehiscent baccate fruits which average 3 inches (69 mm) in length. Fruit first develops near the base of the inflorescence while the upper part is still in flower, and averages 25 to 40 per cluster. Annual fruit production varies greatly under natural conditions. Generally, fruit is produced only in wetter years. On extremely harsh sites the Joshua tree flowers rarely, if at all. Seeds are dispersed chiefly by wind and animals. Birds frequently open the fruit, exposing seeds for subsequent wind dispersal. A number of desert rodents are known to cache Joshua tree seeds and may also disperse seed. Fruit can persist on the tree, but usually disintegrates rapidly. |
click the photo to continue![]() Joshua tree seed pods GENERAL BOTANICAL CHARACTERISTICS REGENERATION PROCESSES SITE CHARACTERISTICS SUCCESSIONAL STATUS SEASONAL DEVELOPMENT
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| features - ecology: wildlife - plants - geography: places - region map - map/sat - roads & trails: route 66 - video - aerial - 360 photos - old west - communities - lodging |
| ghost towns - gold mines - parks & ...: joshua tree - death valley - mojave preserve - wilderness - native culture - history - geology: natural features - glossary - comments |
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