Polyscias fruticosa

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Polyscias fruticosa
Arya - Tiliacora triandra on Polyscias fruticosa tree - Kukusan Timur 2019.jpg
Tiliacora triandra on Polyscias fruticosa tree
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Araliaceae
Genus: Polyscias
Species:
Polyscias fruticosa
Binomial name
Polyscias fruticosa
(L.) Harms
Polyscias guilfoylei and Polyscias fruticosa Polyscias.jpg
Polyscias guilfoylei and Polyscias fruticosa

Polyscias fruticosa, or Ming aralia, is a perennial plant, dicot evergreen shrub or dwarf tree native to India. The plant grows fairly slowly but can reach up to 1 to 2 meters in height. The leaves are of a dark green pigment, glossy in texture, and are tripinnate and appear divided. Individual leaves vary from narrowly ovate to lanceolate and are about 10 cm long.

Contents

Distribution

The Ming aralia is widely cultivated in several countries of Southeast Asia and the tropical islands of the Pacific region. It was originally located in Polynesia and thrives in environments of medium humidity, with temperatures varying from 16 to 29 °C (60–85 °F).

Genus: Polyscias

The name Polyscias means many-shaded, in reference to the foliage found on these plants. Their stalks carry compound leaves with up to seven (or more) opposite leaflets. In several species the leaves are deeply lobed. There are about six species of the genus Polyscias that are actively cultivated. The genus contains a variety of tropical plants which include about 80 species from the Pacific islands and Southeast Asia.

Family: Araliaceae

The family Araliaceae, to which the genus Polyscias including Ming aralia belongs, gives rise to a multitude of trees or shrubs that contain gum and resin ducts. As a whole, the family contains plants that have leaves of alternate, palmately or pinnately compound or simple, with stipules. The inflorescences are generally umbellate, and often arranges in compound umbels, caouttules, panicles or races. They possess flowers of smaller size than the dioecious which are bisexual or unisexual. This family also includes a multitude of popular house plants, including English ivy, as well as the herb ginseng. Araliaceae is known as the ginseng family, which is where the traits of the Ming Aralia spice and medical herb originate. Plants of this family can be found throughout the Neotropics, for the greater part in mountainous regions and much less in the lowlands.

Uses

In Thailand, Polyscias fruticosa is called lep khrut (lit. "Garuda claws"). It can be eaten raw together with a spicy dip, or it can be boiled in curries. Vegetable platter with nam phrik kapi.jpg
In Thailand, Polyscias fruticosa is called lep khrut (lit. "Garuda claws"). It can be eaten raw together with a spicy dip, or it can be boiled in curries.

In Asian countries, the leaves of the Polyscias fruticosa are used as a tonic, anti-inflammatory, antitoxin, and an antibacterial ointment. They have also been proven to be an aid in digestion. The root is also used as a diuretic, febrifuge, anti-dysentery, and is employed for neuralgia and rheumatic pains. Along with medicinal purposes, Polyscias fruticosa is also used as an ornamental plant and a spice.

In experiments with rodents, root extract of Polyscias fruticosa (Vietnamese= Dinh lang) has been demonstrated to extend life span [2] and improve cognitive functions [3]

A recent study on this plant by Vo Duy Huan and colleagues, has afforded to known oleanolic acid saponins from the leaves, and polyacetylenes from the roots. This shows antibacterial and antifungal activities. The volatile leaf oils were also studied and isolated to find eight new oleanolic acid saponins, named polysciosides A to H, and three known saponins.

House plant care

When considering this plant for home aesthetics, one should keep in mind that Polyscias fruticosa needs full sun to partial shade or high interior lighting. When grown in the greenhouse, the soil mixture should consist of two parts peat moss to two parts loam to one part sand or perlite. The plant should be kept moist; during the winter months, water should be restricted, but the plant should never be allowed to dry out completely. The plants should be fertilized only three times during the growing season using a balanced fertilizer diluted to half the strength recommended on the label. Since the plants are fairly slow growers, very little pruning is needed to keep the desired form. However, unlike plants that branch sideways, the Ming aralia grows vertically.

Trimming is useful in keeping the desired height as well as shape. The tips are trimmed in order to encourage more rapid branching and thickening of the trunk. The joints, closely set, then produce a thick growth of branches and a dense covering of leaves, which is an ideal look for this particular plant. The stems weave back and forth, creating a complex interlocking arrangement. As the plant ages, the lower branches die off, leaving a corky surface that is gnarled where the branches had been. This appearance is what attracts many people to adopting these plants for decoration of their homes and offices.

Sources

Related Research Articles

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Aralia elata, the Japanese angelica tree, Chinese angelica-tree, or Korean angelica-tree, is a woody plant belonging to the family Araliaceae. It is known as tara-no-ki in Japanese, and dureup-namu (두릅나무) in Korean.

<span class="mw-page-title-main">Araliaceae</span> Family of flowering plants

The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants commonly called the ginseng family. The morphology of Araliaceae varies widely, but it is predominantly distinguishable based on its woody habit, tropical distribution, and the presence of simple umbels.

<i>Aralia</i> Genus of flowering plants

Aralia, or spikenard, is a genus of the family Araliaceae, consisting of 68 accepted species of deciduous or evergreen trees, shrubs, and rhizomatous herbaceous perennials. The genus is native to Asia and the Americas, with most species occurring in mountain woodlands. Aralia plants vary in size, with some herbaceous species only reaching 50 centimetres (20 in) tall, while some are trees growing to 20 metres (66 ft) tall.

<span class="mw-page-title-main">Ginseng</span> Root of a plant used in herbal preparations

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<span class="mw-page-title-main">Glycoside</span> Molecule in which a sugar is bound to another functional group

In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. These can be activated by enzyme hydrolysis, which causes the sugar part to be broken off, making the chemical available for use. Many such plant glycosides are used as medications. Several species of Heliconius butterfly are capable of incorporating these plant compounds as a form of chemical defense against predators. In animals and humans, poisons are often bound to sugar molecules as part of their elimination from the body.

Saponins, also selectively referred to as triterpene glycosides, are bitter-tasting usually toxic plant-derived organic chemicals that have a foamy quality when agitated in water. They are widely distributed but found particularly in soapwort, a flowering plant, the soapbark tree and soybeans. They are used in soaps, medicines, fire extinguishers, speciously as dietary supplements, for synthesis of steroids, and in carbonated beverages. Saponins are both water and fat soluble, which gives them their useful soap properties. Some examples of these chemicals are glycyrrhizin and quillaia, a bark extract used in beverages.

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GastoniaCommerson ex Lamarck is a formerly accepted genus of plants in the ivy and ginseng family, Araliaceae. It had been known as an unnatural group, but was recognized as late as 2010, when its nine species were distributed to four different subgenera of the large genus Polyscias. Because the genus Gastonia is now obsolete, its species are herein referred to by their names in Polyscias.

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<i>Aralia californica</i> Species of flowering plant

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<i>Fatsia japonica</i> Species of plant

Fatsia japonica, also fatsi, paperplant, false castor oil plant, or Japanese aralia, is a species of flowering plant in the family Araliaceae, native to southern Japan and southern Korea.

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<i>Panax notoginseng</i> Species of flowering plant

Panax notoginseng is a species of the genus Panax, and it is commonly referred to in English as Chinese ginseng or notoginseng. In Chinese it is called tiánqī, tienchi ginseng, sānqī or sanchi, three-seven root, and mountain plant. P. notoginseng belongs to the same scientific genus as Panax ginseng. In Latin, the word panax means "cure-all", and the family of ginseng plants is one of the best-known herbs.

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References

  1. "Ming aralia – Lanna Food | Northern Thai Information Center, Chiang Mai University Library". library.cmu.ac.th. Archived from the original on 2 April 2015.
  2. Yen, T T; Knoll, J (1991). "Extension of lifespan in mice treated with Dinh lang (Policias fruticosum L.) and (-)deprenyl". Acta Physiologica Hungarica. 79 (2): 119–124. PMID   1304677.
  3. "Dinh lang (Polyscias fruticosa)" (PDF).