Tree Characteristics. Parkinsonia tolerates Width: 20 - 25 feet. Rounded, Spreading or Vase Shape. Its beautiful yellow flowers bloom in spring, adding beauty to the tree's vase shape and thin bark. The genus name Parkinsonia honors the English botanist John Parkinson (1567–1650), while the species Latin name aculeata refers to the thorny stem of this plant.. The flowers are pollinated by Bees, Birds. Spreading or Weeping with a Low Canopy. Ziziphus spina-christi, known as the Christ's thorn jujube, is an evergreen tree or plant native to northern and tropical Africa, Southern and Western Asia.It is native to the Levant, East Africa and some tropical countries. Typically, Jerusalem Thorn is quite drought-resistant, capable of growing to a tree form 30 feet in height in an environment with plenty of moisture and good soil, or remaining shrubby where water is at a premium or soils are difficult. Etymology. The shoots are zig-zagged, with a leaf and two stipular spines (one straight, one curved) on the outside of each kink. Its unique shaped leaves, pretty yellow flowers, shrubby weeping like habit, drought tolerance, and ability to grow in a wide range of soils makes it an appealing tree to grow. Has Deciduous foliage. It was known previously … Family: Fabaceae. Jerusalem thorn, palo verde ... leaves appear feathery, consist of up to 30 leaflets to make up 1 true leaf; flowers are yellow with orange-red spots in color, are five-petaled and hang in loose clusters; seed pods are purplish-brown, 6″ long, and contain small dark brown seeds It prefers full sun, and is not particular about soil types. ... Aculeata means prickly or thorny, microphylla is tiny leaf and flordium means free-flowering or many flowers. Height: 15 - 20 feet. Noted for its unusual green bark and long blooming season, Parkinsonia aculeata (Jerusalem Thorn) is a light, airy, small tree with graceful, slightly arching branches covered with tiny, bright green leaflets and showy sprays of bright yellow flowers. Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. JERUSALEM THORN, MEXICAN PALO VERDE. The name "Jerusalem thorn" stems from a mistranslation of the Spanish/Portuguese word girasol ('turning toward the sun'). Growth Rate: 24 to 36 Inches per Year. Has thorns. It is hardy to zone (UK) 10. Additional Common Names. Jerusalem thorn; It is also known as Barbados flower-fence, horse bean, jelly bean tree, or parkinsonia. Scientific Name. Cultivation: Jerusalem thorn is a hardy species and is valued as an ornamental or shade tree. Parkinsonia aculeata is an evergreen Tree growing to 7.5 m (24ft) by 7.5 m (24ft) at a fast rate. Cercidium, sir-sid-EE-um comes from the Greek word cercidion, base word Kirkis, a weaver’s shuttle, in reference to the pod’s shape like a shuttle. The leaves are oval, 2–5 cm long and 1–4 cm … Suitable pH: neutral and basic (alkaline) soils and can grow in very alkaline and saline soils. Fruit and leaves from the tree have been used in Ancient Egyptian food and medicine. Native to Southwestern United States and Mexico. Jerusalem Thorn, Parkensonia aculeata. Parkinsonia aculeata. (Jerusalem Thorn) Parkinsonia is a moderate growing tree, reaching a maximum height and width of 7 and 9 meters respectively. Width of 7 and 9 meters respectively ( alkaline ) soils, well-drained. Ornamental or shade tree ( alkaline ) soils and can grow in nutritionally poor soil ( jerusalem thorn leaf ) soils prefers! Jerusalem thorn ; it is hardy to zone ( UK ) 10 suitable pH: neutral and (... Is hardy to zone ( UK ) 10: neutral and basic ( alkaline ) and! 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