Scientific Name: Agave angustifolia
Tamil Name: Katrazhai
Description: It is a small-medium sized Agave with a dense round rosette of leaves borne from a very short trunk. It forms clumps. Height: 50 cm to 90 cm, Spread: 50 cm to 120 cm . The leaves vary considerably in length depending on growing condition, but can reach up to 60 cm (or more) They are stiff, sword-shaped, concave and revolute, , blue or blue-greenish 5-10 cm wide at their widest point and have a distinct narrowing in their lower third and are furnished with thin marginal teeth. Leaves have marginal bands of bright white,Greenish-yellow to white in terminal panicles and approximately 5 cm long. The flower stalks will reach up to 2.5 m in height.Blooms after 10 years or more years (though not a century) in spring, die after flowering, but new plants may develop from suckers at their base and from bulbils along the flower stalk.
Note: It is used to make an ornamental plant, particularly the cultivar ‘Marginata’.
Photo source: Dr. J. Subramanean