Radermachera ramiflora is a tree in the family Bignoniaceae. The specific epithet ramiflora means 'flowering on the branches'.
Radermachera ramiflora grows up to tall, with a trunk diameter of up to . The bark is greyish. The flowers are yellow. The fruits are straight or twisted and measure up to long.
Radermachera ramiflora is endemic to Malaysian Borneo where it is confined to Sabah state. Its habitat is in rainforest and on hillsides, typically on ultramafic soils, from sea-level to elevation.