![]() The tree has been depicted on a 20- rupee stamp. The flowers are of ritual importance in the Vishu festival of Kerala. The Indian laburnum is the state flower of Kerala. Cassia fistula is also featured on a 2003 joint Canadian-Thai design for a 48- cent stamp, part of a series featuring national emblems. A 2006–2007 flower festival, the Royal Flora Ratchaphruek, was named after the tree. Its yellow flowers symbolize Thai royalty. Culture Ĭassia fistula is both the national tree and national flower of Thailand – in Thai ratchaphruek (Thai: ราชพฤกษ์) and the blossoms commonly referred to as dok khun (Thai: ดอกคูน). Ī paste of the flowers is used as an ointment for pimples. In India, a cathartic made from the pulp is sometimes added to tobacco. When used as such, it is known as "cassia pods". Though it has been used in herbalism for millennia, little research has been conducted in modern times, although it is an ingredient in some mass-produced herbal laxatives. The fruit pulp is considered a purgative, and self-medication or any use without medical supervision is strongly advised against in Ayurvedic texts. In Ayurvedic medicine, the golden shower tree is known as aragvadha, meaning "disease killer". The leaves have also been used to supplement the diets of cattle, sheep, and goats fed with low-quality forages. In India, flowers of the golden shower tree are sometimes eaten by people. He found that golden jackals feed on the fruits and help in seed dispersal. In 1911, Robert Scott Troup conducted an experiment to determine how the seeds of C. fistula flowers, especially carpenter bees ( Xylocopa sp.). Various species of bees and butterflies are known to be pollinators of C. The tree blooms better with pronounced differences between summer and winter temperatures. ![]() It can be subject to mildew or leaf spot, especially during the second half of the growing season. It will tolerate light brief frost, but can get damaged if the cold persists. Growth for this tree is best in full sun on well-drained soil it is relatively drought-tolerant and slightly salt-tolerant. Flowering is profuse, with trees being covered with yellow flowers, many times with almost no leaf being seen. It blooms in late spring/early summer in hot, dry weather. Cultivation Ĭassia fistula is widely grown as an ornamental plant in tropical and subtropical areas. The golden shower tree is not a nitrogen fixer. ![]() fistula ( ahala, ehela, or aehaela, ඇහැල in Sinhala ) heartwood. The tree has strong and very durable wood, and has been used to construct "Ehela Kanuwa", a site at Adam's Peak, Sri Lanka, which is made of C. The fruit is a legume, 30–60 cm (12–24 in) long and 1.5–2.5 cm ( 9⁄ 16–1 in) broad, with a pungent odor and containing several seeds. The flowers are produced in pendulous racemes 20–40 cm (8–16 in) long, each flower 4–7 cm ( 1 + 5⁄ 8– 2 + 3⁄ 4 in) diameter with five yellow petals of equal size and shape. The leaves are deciduous, 15–60 cm (6–24 in) long, and pinnate with three to eight pairs of leaflets, each leaflet 7–21 cm (3–8 in) long and 4–9 cm ( 1 + 1⁄ 2– 3 + 1⁄ 2 in) broad. The golden shower tree is a medium-sized tree, growing to 10–20 m (33–66 ft) tall with fast growth. It is also a popular ornamental plant and is also used in herbal medicine. It is the official state flower of Kerala state in India. The species is native to the Indian subcontinent and adjacent regions of Southeast Asia. Cassia fistula, also known as golden shower, purging cassia, Indian laburnum, Kani Konna, or pudding-pipe tree, is a flowering plant in the family Fabaceae.
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