Written by Maggie
Mar 30 2021
Cornus Controversa, also known as wedding cake tree, giant dogwood, is a deciduous tree of the family Cornus controversa, 6 -- 15 m high, up to 20 m rare; Bark is smooth, dark gray or yellowish gray; Branches are open, cylindrical, glabrous or sparsely pubescent, current year branches purplish red green, biennial branches light green, a half - moon - shaped leaf marks and round lenticels.
Cornus controversa likes warm climates and half shade. cornus controversa is adaptive, cold and heat resistant, and fast growing. Ideal in fertile, moist and loose, well - drained soil growth. Due to the natural growth of the tree it is beautiful, generally does not need plastic pruning. Less pests and diseases, simple management, extensive.
Cornus Controversa is located in Liaoning, Hebei, Shaanxi, Gansu, Shandong, Anhui, Taiwan, Henan, Guangdong, Guangxi, and provinces south of the Yangtze River.
|Botanical Name||Cornus controversa|
|Common Names||giant dogwood，wedding cake tree|
|Sun||Full sun to part shade|
|Hardiness Zones||5 to 8|
|Mature size||35.00 to 40.00 feet high, 35.00 to 40.00 feet wode|
Cornus controversa (wedding cake tree) is a deciduous tree, 6 -- 15 m tall, up to 20 m rare;Bark smooth, dark gray or yellowish gray; Branches are open, cylindrical, glabrous or sparsely pubescent, current year branches purplish red green, biennial branches light green, a half - moon - shaped leaf marks and round lenticels. Winter buds are terminal or axillary, ovoid or conical, 3-8 mm long, glabrous.
Cornus controversa (wedding cake tree) leaves are alternate, papery, broadly ovate, broadly elliptic ovate or wrap around needle elliptic, 6 to 13 cm long, 3.5 9 cm wide, apex abruptly acuminate, base rounded or acute, margin entire, yellowish green, glabrous, celadon below, densely covered with pale Bai Seeping pubescent, midrib slightly concave, protrude below, microstrip purple, glabrous, lateral veins 6 or 7 pairs, curved bow, above, below projection, glabrous; Petioles is purplish-green, 2-6.5 cm long, glabrous, shallow furrowed above, rounded below.
Cornus controversa (wedding cake tree) cyme is terminal, 7 -- 13 cm wide, sparsely light brown, flat puberulent; Pedicels are pale yellow-green, 1.5 -- 3 cm long; Flowers are small, white, 8 mm in diam., calyx lobes 4, triangular, ca. 0.5 mm long, longer than disk, lateral pubescent; Cornus controversa has 4 petals, oblong-lanceolate, 4 -- 4.5 mm long, 1 -- 1.6 mm wide, apex obtuse, lateral sparse puberulent; Cornus controversa has 4 stamens, attached to lateral disk, alternate with petals, 4 -- 5 mm long, slightly extruding, filaments linear, white, glabrous, 3 -- 4 mm long, anthers elliptic, pale yellow, ca. 1.8 mm long, 2-loculed, T-shaped; Disk is cushionate, glabrous, ca. 0.3 mm thick; Style is cylindrical, 2 -- 3 mm long, glabrous, stigma small, capitate, yellowish-green; Ovary is inferior, rectum elliptic, 1.5 mm long, 1 mm in diam., pale green, densely grayish-white puberulent; Pedicels are pale green, 3-6 mm long, sparsely appressed pubescent.
Drupes of Cornus controversa (wedding cake tree) are globose, 6 -- 7 mm in diameter, purplish red to bluish-black at maturity; Karyosseous, spherical, 5-6 mm in diameter, slightly 8 ribbed, with a square pore at the apex; Fruit pedicel ca. is 2.5 -- 4.5 mm, glabrous.
Cornus Controversa (wedding cake tree) is born in evergreen broad-leaved or mixed coniferous and broad-leaved forests between 250 and 2600 meters above sea level.
Cornus controversa (wedding cake tree) likes warm climates and half shade. Cornus controversa is adaptive, cold and heat resistant, and fast growing. Ideal in fertile, moist and loose, well - drained soil growth.
The chief disease of Cornus controversa (wedding cake tree) in seedling time is cataplexy, which occurs during the rainy season of July, August, and September. The wedding cake tree can be regularly sprayed with 0.1% dixone or irrigated with 2% to 3% ferrous sulfate solution at a rate of 9 liters per square meter, about 10 to 20 days after the plant is fully sown. More than 3 years can reach more than 100 cm, showing a beautiful tree shape and colorful crown posture, can be planted out of the garden.
Domestic distribution: Liaoning, Hebei, Shaanxi, Gansu, Shandong, Anhui, Taiwan, Henan, Guangdong, Guangxi and other provinces south of the Yangtze River.
Distribution abroad: Korea, Japan, northern India, Nepal, Sikkim, Bhutan.
The roots, leaves, and bark of Cornus controversa (wedding cake tree) contain indole alkaloids, which are poisonous, and are administered with sedative, anti-inflammatory, analgesic, and phlegm reducing properties. In our country folk, bark can be used to treat headache, cold, whooping cough, bronchitis, pregnancy vomiting, ulcer bleeding.
Cornus controversa (wedding cake tree), with its beautifully shaped crown and prominent summer inflorescence, can be used as a walking tree. Deciduous leaves, neat tree shape, large lateral branches layered growth like lampstand, forming a beautiful tree posture; Flowers are white, flowering May - June. With beautiful and peculiar tree posture, beautiful leaf shape, white flowers simple but elegant, known as the landscape treasures.
Cornus Controversa (wedding cake tree) is an excellent landscaping color leaf tree and a famous fall color tree in the South of our country. At the same time, the thick leaf litter has the function of improving soil and water conservation. Cornus controversa (wedding cake tree) drupes, spherical, purplish red at first, blue-black at maturity. When ripe, the fruit is sweet and sour, which can be eaten not only by people but also by birds. Cornus controversa grows fast, beautiful and strange tree pose, lush green leaves, flowers, simple but elegant purple, branches and leaves after flowering crabapple, lifelike, unique, has the very high ornamental value, is the botanical garden, park, garden, the landscape of the scenic area, such as green, good choice, is also a good set of view tree, view as one of the decorative flowers and leaves of colored tree species, known as landscaping lottery leaf tree species of treasures. It is suitable for planting alone in the grassland, or in the summer wet valley or hillside, lake (pool) side and other trees to create a landscape tree, can also be planted in the Garden as a shade tree or road, street trees planted on both sides, more suitable for forest parks and natural scenic spots for autumn leaf tree planting to create a landscape forest.
The wood of Cornus controversa (wedding cake tree) is yellowish-white or yellowish-white, heartwood indistinguishable from the core, lustrous, straight and hard, fine and uniform, easy to dry, resistant to decay, easy to cut, good for turning, for building furniture, toys, carvings, pencil rods, cars, farm tools, plywood, etc.
The flesh and seeds of Cornus controversa (wedding cake tree) are rich in oil, and the fruit can be pressed. It is a woody oil plant. Bark contains bran, can be extracted tannin extract. The seed oil content of 22.9% can be extracted to make soap and lubricating oil. The white milk from the stem and leaves can also be used as raw materials for rubber and chewing gum, the leaves as fodder and fertilizer, and the flowers as nectar source.