Hydrangea paniculata
Cultivar ' Grandiflora '
The panicle hydrangea ( Hydrangea paniculata ) is a shrub or small tree from the family of hydrangea plants. It is very commonly used due to the decorative flowers as an ornamental plant. The natural range is in Japan and China.
Description
The panicle hydrangea is 1-5 meters tall shrubs or small trees with dark - gray to brown, pressed hairy and later verkahlenden branches that are covered with oval Korkporen. The leaves are in pairs opposite or in Dreierquirlen. They have a 1-3 inch long stem. The leaf blade is simple, 5 to 14 inches long and 6 to 6.5 centimeters wide, pointed oval to ovate, pointed or long, with rounded or broadly wedge -shaped base and serrated edge. The upper leaf surface is glabrous to slightly hairy striegel, across the bottom of the nerves pressed shaggy hairy. There shall be six to seven pairs of nerves.
The flowers are arranged in paniculate, 26 inches long, hairy cymes. The sterile flowers have four 1 to 1.8 centimeters long and 0.8 to 1.4 centimeters wide, white, broadly elliptic to roundish, unequal length, ganzrandige sepals. The fertile flowers have about 1.1 millimeters long, top-shaped calyx tube with 1 mm long, triangular calyx teeth. The petals are 2.5 to 3.0 millimeters long, white and ovate to lanceolate - ovate. Ten stamens are of unequal length, the longer up to about 4.5 mm, the other is slightly shorter than the petals. The anthers are about 0.5 millimeters long and roundish. The ovary is medium ever, the three pens are subulate and about 1 millimeter long. The scar is small and capitate. The follicles are elliptical and have diameters of 3.0 to 3.5 millimeters. The seeds are brown, fusiform, compressed and secured at both ends with about 2.5 to 3 millimeters long wings. The species flowers from July to August and the fruits ripen from October to November.
Distribution and ecology
The natural range is located in the temperate zone of Asia. One finds the kind in Russia on the Kuril Islands and Sakhalin, in the Chinese provinces of Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan and Zhejiang and the Japanese islands of Hokkaido, Honshu, Kyushu and Shikoku. In the northeast and southeast of the United States, they became naturalized. It grows in biodiversity-rich forests, meadows and river banks at altitudes 300-3100 m on fresh to moist, acidic to neutral, sandy-gritty soil in light shade locations. The species is thermophilic and usually frost hardy.
System
The panicle hydrangea ( Hydrangea paniculata ) is a species of the genus Hydrangea ( Hydrangea ) in the family of hydrangea plants ( Hydrangeaceae ), subfamily Hydrangeoideae, Tribe Hydrangeae. It was first described by Philipp Franz von Siebold in 1829. A synonym of the species is Hydrangea verticillata.
Use
The panicle hydrangea is often used for their decorative flowers as ornamental tree.
There are numerous varieties differences, including:
- ' Floribunda ' with loose, narrow, cone- shaped, 45 cm long inflorescences and creamy white sterile and fertile flowers.
- ' Grandiflora ' with broadly conical, 15 to 30 centimeters long inflorescences. The majority of the flowers are sterile and cream white.
- ' Kyushu ' with slender conical, loose, up to 20 cm long inflorescences. The vast number of flowers is also sterile and cream white.
- ' Limelight ' with broadly conical, up to 25 centimeters long and equally wide inflorescences. The vast number of flowers are sterile, the flowers are initially greenish white to pale lemon yellow and later matt white.
- 'Pink Diamond' with wide cone-shaped, to 30 cm long inflorescences. The sterile flowers are initially creamy white later light pink and deep pink when fading. The fertile flowers are initially cream-colored and last almost red.
- ' Praecox ' with flattened spherical, up to 20 inches wide inflorescences. The sterile flowers are large and matt off-white, but not numerous.
- 'Ruby' with short, very broad inflorescences and mostly sterile, carmine to dark pink flowers.
- ' Unique ' with wide cone-shaped, to 40 cm long inflorescences. The sterile flowers are up to 5 inches wide and cream white.