The difference between Buddleija sutchuenensis and Buddleija sutchuenensis

1. Leaf Difference

The leaves of Buddleja are opposite, membranous, ovate or elliptical, about 3 to 11 cm long and 1 to 5 cm wide. The apex of the leaves gradually becomes sharp, the base is broadly cuneate or rounded, the edge of the leaves is entire or has wavy tooth marks, dark green on the upper side and grayish yellow-green on the lower side.

The leaves of the large-leafed Buddleja are opposite, membranous or thin papery, narrowly ovate, ovate-lanceolate or narrowly elliptic, about 1 to 20 cm long and 0.3 to 7.5 cm wide, and the tips of the leaves gradually become pointed.

2. Flower Differences

The flowers of Buddleja are spike-shaped cymes, about 4 to 40 cm long and 2 to 4 cm wide, and the flowers are purple.

The flowers of the large-leaved Buddaria are racemose or paniculate cymes, terminal, 4 to 30 cm long, with a corolla that is lavender, eventually turning yellow-white to white.