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Ziziphus spina-christi, known as the Christ's thorn jujube, is an evergreen tree or plant native to the Levant, East Africa, and Mesopotamia. [3] Fruit and leaves from the tree were used in preparing ancient Egyptian foods, in cultural practices, and in skincare routines - especially with qasil powder derived from the Ziziphus spina-christi tree leaves.
Jujube (UK / ˈ dʒ uː dʒ uː b /; US / ˈ dʒ u dʒ u b / or / ˈ dʒ u dʒ ə b iː / [5]), sometimes jujuba, scientific name Ziziphus jujuba, and also called red date, Chinese date, and Chinese jujube, [6] is a species in the genus Ziziphus in the buckthorn family Rhamnaceae. It is often confused with the closely related Indian jujube, Z ...
Pseudoziziphus celata, commonly known as the Florida jujube [4] [5] or Florida ziziphus, [6] is a small xeric-adapted shrub endemic to the Lake Wales Ridge in central Florida (restricted to Polk and Highlands counties), and is one of the rarest plants in Florida. [7] It is listed as federally endangered in the United States and state endangered ...
Ziziphus nummularia, commonly known as wild jujube or jharberi in Hindi, [2] is a species of Ziziphus native to the Thar Desert of western India and southeastern Pakistan, south Iran, Afghanistan, Lebanon and Zimbabwe. Ziziphus nummularia is a shrub up to 6 metres (20 ft) or higher, branching to form a thicket.
Ziziphus mauritiana is a spiny, evergreen shrub or small tree up to 15 m high, with trunk 40 cm or more in diameter; spreading crown; stipular spines and many drooping branches. The fruit is of variable shape and size. It can be oval, obovate, oblong or round, and can be 1-2.5 in (2.5-6.25 cm) long, depending on the variety. The flesh is white ...
It is a spreading, sometimes climbing, thorny shrub growing to 1.5 m in height. The leaves are simple, alternate, ovate-lanceolate, acute and oblique. The flowers are green, in subsessile axillary cymes. The fruit is a globose drupe, black and shiny when ripe, containing a single seed. [2] The leaf length is 4-6.5 cm, width is 2–3 cm. [3]
Where: Y is the yield (volume, height, DBH, etc.) at times 1 and 2 and T 1 represents the year starting the growth period, and T 2 is the end year. Example: Say that the growth period is from age 5 to age 10, and the yield (height of the tree), is 14 feet at the beginning of the period and 34 feet at the end.
The mean annual increment (MAI) or mean annual growth refers to the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age. For example, a 20-year-old tree that has a stem volume of 0.2 m 3 has an MAI of 0.01 m 3 /year.