Differences between Deutzia chinensis and Philadelphus chinensis

1. Difference of blades

The leaves of Deutzia serrata are opposite, ovate to ovate-lanceolate, about 5-12 cm long, 2-4 cm wide, slightly pointed at the apex and slightly rounded at the base. The leaf margins have small serrations and are rough with star-shaped hairs on both sides. The leaves of mountain plum are ovate or broadly ovate, which are wider than the former, about 6-12.5 cm long and 8-10 cm wide, with an acute tip and a round base.

2. The difference between flowers

The flowers of Deutzia serrata are upright panicles. The flowers are white or spotted with pink. The calyx tube is bell-shaped, with 5 oblong petals. The mountain plum has a racemose inflorescence, and the flower color is similar to the former, which is white. The calyx tube is bell-shaped, and the petals are ovate or nearly round.