Tuliptree (Liriodendron tulipifera), leaf and seed pods.
Tuliptree (Liriodendron tulipifera)

Scientific Name: Liriodendron tulipifera
Kingdom: Plantae - Plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Family: Magnoliaceae - Magnolia family
Life Cycle: Perennial


The tuliptree is one of the tallest eastern American hardwoods, and one of the tallest trees found in the park. It can often be identified from a distance because of its very straight, tapering, light-colored and evenly furrowed trunk which, on mature trees, is usually free of branches for a considerable distance from the ground. Up close, it is even easier to recognize, with its distinctive leaf shape which would be hard to mistake for that of any other tree. The large, hairless, glossy, alternate, simple leaves of the tuliptree are four-pointed, with an indented summit that makes it look as if the tip has been cut off. In mid- to late May or early June, after its leaves are developed, the tuliptree blooms, with prominent, colorful tulip-like flowers, from which the tree gets its fanciful name. The flowers have 6 yellowish-green and orange petals and three large sepals at their base. They produce a good amount of nectar and are pollinated by bees. The fruit, in the form of a narrow winged seed (samara) 1-2 inches long, is clustered in 2-3 inch cone-shaped structures which persist on the branches through the summer and into the fall. They are dispersed by wind.


The tuliptree is found in nearly every state east of the

Mississippi River , from southern New England to northern Florida , and is widely distributed throughout the park. It is most commonly found in the rich soil of bottomlands, on gentle mountain slopes, or near streams, but not on dry, rocky slopes. The tuliptree is often a dominant species in mature forest communities within the park. It grows best in a deep, rich, slightly acidic soil, and requires plenty of direct sunlight, as it is shade intolerant.

Common names:

Common names include tuliptree, tulip poplar, yellow poplar, whitewood. Although it is commonly referred to as a tulip poplar, Liriodendron tulipifera is not closely related to the true poplars, nor is it related to the ornamental flowers we call tulips. It is a member of the Magnoliaceae family, along the many flowering trees of the genus Magnolia.

Other Facts:

The tuliptree is a particularly valuable tree for lumber because of its tall, straight trunk and wood that is soft, lightweight, straight-grained, resistant to splitting, and easily worked. Native Americans and early pioneers frequently hollowed out a single log to make a long dugout canoe, giving it the common name "canoe tree" in some regions.. Sold commercially as "yellow poplar," it is used for furniture, musical instruments, interior finishes, shingles, boats, plywood, fuel, and various small objects.

The root of the tuliptree can be used as a lemon-like flavoring agent in spruce beer. The bark contains 'tulipiferine,' which is said to have powerful effects on the heart and nervous system. Tea made from the bark has historically been used to make an aromatic stimulant tonic, which is said to be beneficial in the treatment of rheumatism, chronic gastric and intestinal diseases, dysentery, coughs, and hysteria. Externally, the tea is used as a wash and a poultice on wounds and boils. The raw green bark can be chewed for its purported aphrodisiac effects, and the root bark and seeds have been used to expel worms from the body.

References and Links:

Grimm, William Carey. 2002. The Illustrated Book of Trees. Stakepole Books,

Mechanicsburg , Pennsylvania . pp 191-194.

Petrides, George A. 1988. A Field Guide to Eastern Trees (The Peterson Field Guide Series # 11). Houghton Mifflin Company,

Boston , Massachusetts . pp 121-122.

Further information can be found:

Integrated Taxonomic Information System (ITIS) Report U.S. Department of Agriculture.

Germplasm Resource Information Network database which is sponsored by the Agricultural Research Service, U.S. Department of Agriculture.

PLANTS National Database, a website supported by the Natural Resource Conservation Service.

Last updated: February 26, 2015

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