Origin:China
Purity:99% above
Germination Rate:85%above
The tree can grow up to 20–25 m (66–82 ft) tall. It has a petiole (leaf-stems) which are 3–10 cm (1.2–3.9 in) long. It has leaves which are broadly ovate, straight or slightly heart-shaped at the base, or long and taper-pointed. They are 13–20 cm (5.1–7.9 in) long and 10–13 cm (3.9–5.1 in) wide. They have a soft, downy underside, which does fade at the end of the growing season. It blooms in mid-summer, between March and May. 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 to 15 individual flowers. They are 3.2 cm (1.3 in) 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.