Large, pale yellow, trumpet shaped flowers occur in panicles.

Flowers are pale yellow, slightly curved, about 2 cm, upper lip 2-lobed, lower lip 3-lobed, tomentose at mouth, tube terete.

Also known as Stereospermum colais,[2] it is found in India, Myanmar and Sri Lanka: where it is "common in moist deciduous forests and occasional in openings or margins of evergreen forests, up to 1200 m."[3] In Vietnam, Stereospermum colais is known as quao núi.

Its young leaves can be eaten as a vegetable in Vietnam's Central Highlands.

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