Polyalthia longifolia (Sonn.) Thwaites
• Scientific Name: Polyalthia longifolia (Sonn.) Thwaites
• Family: Annonaceae
• Common Name: False Ashoka, Longleaf Polyalthia, Ashoka Tree
• Malayalam Name: Aranamaram: അരണമരം
• Tamil Name: அசோக்கா மரம் (Ashoka Maram), Nadunar, Nettilinkam நெட்டிலிங்கம்
Synonyms:
• Polyalthia longifolia has been referred to by several names:
o Uvaria longifolia Sonn.
o Uvaria heterophylla Roxb.
o Polyalthia pendula Benth.
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Description:
Polyalthia longifolia is an evergreen tree native to the Indian subcontinent and is often found in tropical and subtropical climates. It is a medium-sized tree with narrow, long, lance-shaped leaves that are glossy and aromatic. The tree can grow up to 20-25 meters tall, and its flowers are small, greenish-yellow, and clustered. The fruit is small, round, and green, turning red as it ripens. The tree is commonly planted in gardens and roadsides due to its elegant appearance and its symbolic association with auspiciousness.
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Medicinal Uses:
1. Anti-inflammatory:
o The leaves and bark of Polyalthia longifolia are used to reduce inflammation and to treat conditions like arthritis and muscle pain.
2. Antioxidant:
o Extracts from the tree have shown antioxidant properties, helping in the neutralization of free radicals and supporting general health.
3. Astringent:
o The bark is used as an astringent and is applied to wounds and cuts to stop bleeding and promote faster healing.
4. Antibacterial and Antifungal:
o The tree has antibacterial and antifungal properties, making it useful in treating infections, including skin diseases, boils, and ulcers.
5. Cough and Respiratory Issues:
o The bark, leaves, and flowers are used in traditional medicine to relieve symptoms of cough, bronchitis, and asthma.
6. Diuretic:
o It is known to have diuretic properties, which help in the removal of excess fluids from the body, thus promoting kidney health.
7. Digestive Issues:
o Some studies suggest that the plant can help treat digestive problems like indigestion and constipation due to its anti-inflammatory and carminative properties.
8. Promotes Skin Health:
o Due to its antibacterial and astringent properties, Polyalthia longifolia is used in skin care, especially in treating minor wounds and infections.
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