Xylia xylocarpa

This handsome tree from Vietnam is very conspicuous in the flowering season owing to its bright yellow flowers. X. xylocarpa produces hardwood, and in Vietnam it is classified as an ironwood with its name referring to use in traditional cart making. The seeds of this tree are edible. This tree is considered a medicinal plant in India.

Zingiber officinale

This ginger has tall, erect stems with narrow leaves, this basal bloomer produces green cones that turn red when mature. It is a herbaceous perennial with upright stems and narrow medium green leaves arranged in two ranks on each stem. Ginger grows from an aromatic tuberlike rhizome (underground stem) which is warty and branched. The inflorescence grows on a separate stem from the foliage stem, and forms a dense spike. The bracts are green with translucent margins and the small flowers are yellow green with purple lips and cream colored blotches. Most of edible gingers in cultivation are sterile cultivars grown for the edible rhizome, and the flower is rarely seen. Ginger is often grown in a container and brought indoors in winter when water and light are reduced and the plant is allowed to "rest." Common cooking gingers are rarely found in garden centers as potted plants because they do not have much ornamental value. Plant this ginger in the garden to produce your own fresh ginger.

Ziziphus jujuba, Ziziphus sativa, Ziziphus vulgaris, Zizyphus mauritiana

These small acid fruits are liked by children as well as by adults. A small spreading tree, with drooping branches grows readily and quickly on poor ground. Even moderately saline soils are tolerated. The tree will thrive without any special care. All parts of the plant have medicinal uses. Jujube is widely cultivated China and India. The Chinese have been growing and eating jujubes for more than four thousand years and have more jujube trees than any other type of fruit tree. From Indian legends, the tree is hard because it's blessed with a boon that no matter how badly it was cut, it will not die, and even if a single root of it was left, it will spring up again... In India, the tree is held sacred: fruits are offered to Siva, and the plant is known as the "Tree which removes sorrow". Cold hardy, mature plants withstand hard freeze.

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Ziziphus spina-christi

This sacred tree is considered the most important tree at all for producing honey. This honey has several merits and fragrant smell. This tree is planted for garnish, shade and its sweet fruits.