Botany
Erect and tufted perennial herb with a thick creeping rootstock, growing to a height of 0.5 to 1.5 meters. Leaves are narrow lanceolate, sword-shaped, 40-60 cm long, 2-4 cm wide, and overlapping at the base. Flowers are numerous and pedicelled, 5-6 cm across, yellowish outside, reddish yellow with a dark spot inside. Seeds are shiny and almost spherical.

Distribution
Planted for ornamental purposes, flowering most of the year..

Parts utilized
Rhizomes.

Properties
Bitter and acrid.
Aperient and resolvent.
Expectorant, deobstruant, carminative.

Folkloric uses:
Rhizomes used as expectorant.
Used for purifying the blood, for liver nad pulmonary complaints.

Availability
Cultivated.