Plants
are herbaceous, rhizomatous. Rhizomes are thick, knobby, and aromatic that are
used for culinary and medicinal purposes. Leaves are large, 60-90 cm long and
5-10 cm wide, oblong with acute apex dark green. Flowers are yellow to white,
about 3 cm long, and occur in dense panicles. Corolla has distinctly clawed
lips and red throat. Flowering occurs in May and June, while fruiting occurs in
August and September. Fruits are orange-red in colour. The rhizome of kulinjan
is carminative, aphrodisiac, febrifuge, and bronchodilator. It expels the
phlegm (mucus), improves voice, and is very useful in sore throat and
respiratory congestion. It is also used
in rheumatism.