royal paulownia Scrophulariaceae Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud. Listen to the Latin play symbol: PATO2 Other Fact Sheets
Leaf: Opposite, simple, heart-shaped and quite large, 5 to 12 inches long, typically quite velvety, green above and paler below; leaves on younger trees will often show course serrations or even lobes.
Flower: Large, showy, upright clusters of purple flowers; individual tube-like flowers are 1 1/2 to 2 inches long, very fragrant and appearing in mid-spring.
Fruit: Oval capsule, 1 to 1 1/2 inches long, filled with numerous (1,000s) small seeds; capsules initially sticky and green, later turning brown and dry, persistent.
Twig: Stout, light brown, numerous lenticels, leaf scar nearly circular, bundle scars arranged in a circle, pith is hollow in the second year; terminal bud lacking, lateral buds small.
Bark: Thin, grayish brown with shallow fissures.
Form: Rounded crown, heavy, clumsy branches, reaches 50 feet tall, 2 feet in diameter.

Looks like: dragon tree - southern catalpa - northern catalpa
leaf flower fruit twig bark form1 map
Additional Range Information:
Paulownia tomentosa is planted in the USDA hardiness zones shown above and may seed into the landscape. See states reporting royal paulownia.
More: Fall Color
External Links:
USDAFS Silvics of North America
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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