GROWTH RATE. Click Trees for Arizona Descriptons for alphabetical listing and descriptions Some of the pictures have links to bigger pictures of the Arizona trees. Hardiness: 25°F. It grows slowly and has a solid trunk. Semideciduous and thornless, this desert native is a lovely light shade of green and can be grown as a medium-size tree or large shrub. THE BASICS. Lysiloma watsonii (L. microphylla) Drawn from specimen growing at Desert Botanical Garden, Phoenix, Maricopa Co., AZ.. LEAVES: Large compound leaves are dissected into many very small leaflets giving the whole plant a feathery or fern-like appearance. It has a lush appearance once full grown and does not need much water to thrive. RANGE: In Sonoran Desert of Arizona this plant was originally restricted to foothill areas east of Tucson. Common: feather bush, fern-of-the-desert, littleleaf false tamarind Family: Fabaceae (Leguminosae) Origin: Small riparian tree found southeast of Tucson, Arizona in the Rincon Mountains and points south into the mountain foothill washes of Sonora, Mexico. Arizona Living Landscape in Queen creek, San Tan Valley, Gilbert, Chandler, & Mesa AZ 480-390-4477. This acacia tree can reach heights of between 20 and 30 ft. (6 – 9 m) and its wide spread provides plenty of shade. Arizona Trees. Native to: Arizona, Sonora. Pronounciation: Lye-sil-LOO-ma wat-SONE-ee-i. Note: may be sold as L. microphylla v. thornberi. Depending on your climate, the tree can be messy as it is deciduous in some climates. Feather Palm and Desert Fan Palm—like many palm trees, both the feather palm and the desert fan palm shed an immense amount of pollen which can lead to serious allergy symptoms. Feather bush is a graceful, single- or multi-trunk evergreen or semi-deciduous tree with a wide, spreading growth habit to heights… The feather bush requires minimal water to survive, but grows faster with additional irrigation, especially during the hot, dry season… Oleo europaea Fruitless Olive. Feather Bush Desert Fern. Type: Tree. The sweet acacia tree, also named needle bush, acacia farnesiana, and prickly mimosa bush, is a medium-sized tree that thrives in desert environments. It has a lush appearance. Feather Bush - This bush works well planted next to backyard pools. Feather Bush. Texas Olive - This shrub works great in any backyard or garden and produces a very pretty white flower. Water: Low. Feather Bush (Lysiloma watsonii) Native to Arizona Wherever feather bush is planted, its lovely fern-like foliage adds a soft, feathery texture. Sun: Full sun, partial sun. This plant can be grown as a shrub or small tree. This plant can be grown as a shrub or small tree. Feather Bush Lysiloma watsonii. It has a lush appearance.