The tree can grow up to tall. It has a
petiole (leaf-stems) which are long. They are long and wide. They have a soft, downy underside, which does fade at the end of the growing season. It blooms in summer, The flowers are similar in form to those of
paulownia. The
corolla is bell-shaped, two-lipped flowers are borne in
corymbs or
racemes, of between 7 and 15 individual flowers. They are long. They come in shades from lilac, pinkish, or pale red to pale purple. The throat is freckled with purple, brownish red, or brownish spots, on a background of yellow staining. It has small
anthers and a 2-lobed stigma. After it flowers, it produces seeds between June and November. The long and very slender, seed capsule or seed-pod is long. Inside are linear and thin membranous seeds, they have hairs at both ends. ==Taxonomy==