Retz.Synonym: L. speciosa (L.) Pers. L. reginae Roxb.Family: Lythraceae.
Habitat: Tropical Himalaya, and Assam, Western and Eastern Ghats, up to 1,000 m.
English: Pride of India, Queen's Flowers, Queen Crape Myrtle.Siddha/Tamil: Kadalai, Pumaruttu.Folk: Jaarul. Kramuk and Arjun are confusing synonyms.
Action: Seed—narcotic. Root— astringent, stimulant, febrifuge. Fruit—used for aphthae of the mouth. Leaves—purgative, diuretic, deobstruent. Bark—an infusion is given in diarrhoea and abdominal pain.
A decoction of the leaves, also of dried fruits, is used like tea for diabetes mellitus in Philippines. Mature leaves and fruits, in fresh condition, exhibit hypoglycaemic activity experimentally The potency decreases on storing the material.The leaf extract, when administered as powder and as tannin-free extract, showed hypoglycaemic activity in mice. Amino acids constitute the insulin-like principle. The plant contains triterpenoids, colocolic acid and maslinic acid. Colocolic acid is known to possess hypoglycaemic activity.Leaves contain lageracetal and sitos- terol. Ellagitannins have been isolated from fruits and leaves.... lagerstroemia flos-reginae
The bark and leaves contain tannin 7-10 and 16% respectively. The plant contains a pentacyclic triterpene, lag- florin. Aqueous extract of fresh and ethanolic extract of dried and powdered leaves exhibit fungitoxic activity against several fungal pathogens of rice.... lagerstroemia parviflora
Sch.- Bip. ex Oliver.Family: Asteraceae, Compositae.
Habitat: Throughout India, ascending up to 2,100 m in the hills. (Native to tropical Africa and Madagascar.)
Folk: Amadok (Garhwal).
Action: Disinfectant.
The plant is one of the major ingredients of an ointment used in the treatment of skin tumours in Chinese medicine. In Ivory Coast, Burkina Faso, Gabon and Tanganyika, different parts of the plant are used for the treatment of intercostal pain, rheumatic pain and fever. The leaf and root decoctions are used to treat pneumonia.The plant from Nigeria was found rich in phenolic ethers (45%), followed by monoterpenes (22%) and sesquiterpenes (12%). The major component of the oil was dimethyl thy- moquinone (44%). It showed activity against Gram-positive microorganisms. Dried powder of the plant contained artemisetin (artemetin).... laggera alata
(lagena) n. the closed end of the spiral *cochlea. This term is more commonly used to describe the structure homologous to the cochlea in primitive vertebrates.... lagaena