Helicteres isora is a species of flowering plant in the family Malvaceae, native to tropical and subtropical regions of Asia including India, Sri Lanka, and Thailand. It is commonly known by various names, including Indian screw tree, nut-leaved screw tree, or East Indian screw tree.
This deciduous shrub or small tree typically grows up to 10 meters tall and has a spreading crown with a thick, cork-like bark. The leaves are simple, opposite, elliptical to obovate in shape, and approximately 4-12 centimeters long. The plant produces attractive showy flowers that are vivid red-orange or pink in color, borne in clusters at the tips of the branches. These flowers have five petals and a distinctive twisted shape, giving rise to the common name "screw tree."
Helicteres isora commonly bears fruit in the form of capsules, which are woody, cylindrical, and covered in spines. Upon maturation, the capsules split open to reveal multiple seeds. These seeds are small, hard, and brown, often resembling nuts.
The plant is valued for its various uses in traditional medicine and has been employed in Ayurveda for its medicinal properties. The parts of the plant, including leaves, roots, bark, and seeds, have been utilized to treat a range of ailments, including respiratory disorders, skin diseases, and gastrointestinal issues. Additionally, the seeds have been used as astringents and for their potential anti-diabetic properties.
Overall, Helicteres isora is a distinctive and widely recognized plant species known for its twisted flowers, unique fruits, and medicinal value.
