Narra / Rosewood Tree
(Pterocarpus indicus Willd.)
Narra / Rosewood Tree
(Pterocarpus indicus Willd.)
It is distributed throughout Southeast Asia and the Pacific Ocean, from southern Burma to the eastern Solomon Islands, including Sumatra, West Java, Kalimantan, the Philippines, Java, Maluku, and Papua New Guinea. It is used as a shade tree, ornamental plant, furniture material, and medicinal plant.
Found in lowland primary and secondary forests, coastal forests, and coral sands. It grows well in various soil types, from fertile to rocky, with a pH of 5.5-6.5. It thrives in tropical areas at altitudes of 0-750 m above sea level, temperatures of 24-32 °C, and rainfall of 2,000-3,000 mm/year.
The roots are known as plank roots (banir roots), protruding and jutting outward.
The stem is cylindrical, with grayish-brown bark, finely scaly, and contains a clear, reddish sap.
The leaves are compound, with 5-13 leaflets, alternate along the leaf axis, ovate to slightly oblong, with a rounded base and a tapering apex, bright green, glabrous, and thin.
The flowers are fragrant, compound panicles, bright yellow to yellow-orange, with bell-shaped petals and a crown of 16-18 mm long leaves.
The fruit is a flat pod, maturing in 4-6 months, brownish (dry), 1.5–3 cm in diameter, 6–9 mm thick.
Generative propagation (seeds).
Vegetative propagation uses stem or branch cuttings.
Treats mouth ulcers, diarrhea, boils, kidney stones, toothache, regulates menstruation, improves digestion, burns, anti-inflammatory, anti-allergic, anti-tumor, antibacterial, diabetes.
Leaves: loliolide, paniculata diol, polypeptide acid. Flowers: lupeol and phytol ester. Stems: formononetin, iso liquiritigenin, hydroxy hydra topic acid, and aryl benzofuran.
Diarrhea and mouth ulcers
Take 250 g (1 piece) of angsana bark and 2 cups of water.
Boil the bark until 1 cup of water remains.
Drink 1 cup daily until healed.
Socfindo Conservation. 2021. Angsana.https://www.socfindoconservation.co.id/plant/251 (03-06-2023)