Ziziphus

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Ziziphus

 

a genus of plants of the family Rhamnaceae. There are about 40 species, distributed in tropical and subtropical regions of Asia, Africa, and Australia. The best-known species is called Christ’s-thorn (Z. jujuba). Ziziphuses are large trees with life-spans as great as 300 years; some species are branching shrubs measuring up to 4 m tall. The young shoots have thorns, and the leaves are ovate, oval, or, occasionally, lanceolate. The flowers are bisexual and cross-pollinating. Flowering occurs in May and lasts six to eight weeks. The fruit is a drupe measuring 3–4 cm long and up to 2.5 cm across. The thin, shiny skin is red-brown or yellow, often with spots. The thick light-green or white pulp is pleasantly sweet (containing as much as 30 percent sugars) and crisp; it separates from the stone after drying. After slight curing, especially on the tree, the fruits improve in flavor. The fruits are used fresh or in the preparation of compote, fruit candies, and jams. Fruiting begins in the third or fourth year. Wild forms occur in Southeast Asia, the Himalayas, North China, and Japan; cultivated species are found in Japan, Pakistan, Afghanistan, China, the USA, and the USSR (Turkmenia, Tadzhikstan, and Uzbekistan).

A. D. ALEKSANDROV

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References in periodicals archive ?
Tanira MOM, Ageel AM, Tariq M, Mohsin A, Shah AH (1988) Evaluation of some pharmacological, microbiological and physical properties of Zizyphus spinachristi.
Zizyphus spina Christi###Throughout the year###Sheep, Goat, Cow, Camel
As a result of examining more than 200 kinds of plant extracts to stimulate the proliferation of hair follicle cells, Zizyphus jujuba fruit extract was found to be highly effective.
Ceanothane and lupane type triterpenes from Zizyphus joazeiro--an anti-staphylococcal evaluation.
Tree species present in the study site: Anona squamos, Polyalthia longifolia, Atlantia monophylla, Azadirachata indica, Zizyphus mouritiana, Zizyphus xylopyrus, Caesalpinia coriaria, Delonix regia, Cassia siamea, Cassia rouxburghii, Tamarindus indica, Prosopis juliflora, Acacia planifrons, Acacia leucophloea, Albizia lebbeck, Morinda pubescens, Santalum album, Borassus flabellifer, Wrightia tinctoria, Streblus asper, Pamburus missionis, Mangifera indica, Aegle marmelos, Mimusops elengi, Millingtonia hortenensis, Peltophorum pterocarpum, Erythrina indica, Adenanthrea pavonina, Thespesia populnea, Kigelia pinnata, Guazama ulmirolia, Madhuca longifolia, Couroupita guianensis.
The Azadirachta indica (neem), Zizyphus vulgaris (ber), Tamarix orientalis (jujuba lai) and Capparis aphylla (kirir) are among the more common trees.
Estructuralmente, esta conformado por cuatro estratos bien definidos, el estrato superior conformado por especies lenosas de porte como el quebracho colorado Santiagueno (Schinopsis lorentzii) y el quebracho blanco (Aspidosperma quebracho-blanco); el estrato medio conformado por los generos Zizyphus, Cercidium, Celtis, Acanthosyris, Jordania, Caesalpinea.
Demonstration of the psychotropic effect of mother tincture of Zizyphus jujube.