Skandapurana 5.251.36

5.251.36

khadiro bhūmiputreṇa apāmārgo budhena ca ..
aśvattho guruṇā caiva śukreṇodumbarastathā .. 36 ..

the khadira by the son of Earth [Mars], and the apāmārga by Budha; / the peepal by the preceptor [Jupiter], and the udumbara by Śukra;