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Genus of flowering plant in the olive family Oleaceae From Wikipedia, the free encyclopedia
Osmanthus /ɒzˈmænθəs/[3] is a genus of about 30 species of flowering plants in the family Oleaceae. Most of the species are native to eastern Asia (China, Japan, Korea, Southeast Asia, the Himalayas, etc.) with a few species from the Caucasus, New Caledonia, and Sumatra.[1][4] Osmanthus has been known in China since ancient times with the earliest writings coming from the Warring States period; the book Sea and Mountain. South Mountain states: "Zhaoyao Mountain had a lot of Osmanthus".
Osmanthus | |
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Osmanthus heterophyllus in flower | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Lamiales |
Family: | Oleaceae |
Tribe: | Oleeae |
Subtribe: | Oleinae |
Genus: | Osmanthus Lour. |
Synonyms[1][2] | |
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Osmanthus range in size from shrubs to medium-sized trees, 2–12 m (7–39 ft) tall. The leaves are opposite, evergreen, and simple, with an entire, serrated or coarsely toothed margin. The flowers are produced in spring, summer or autumn, each flower being about 1 cm long, white, with a four-lobed tubular-based corolla ('petals'). The flowers grow in small panicles, and in several species have a strong fragrance. The fruit is a small (10–15 mm), hard-skinned dark blue to purple drupe containing a single seed.[4]
The generic name Osmanthus is composed of two parts: the Greek words osma meaning smell or fragrance, and anthos meaning flower.[5][6][7]
Species transferred to Cartrema:[2][8]
Osmanthus are popular shrubs in parks and gardens throughout the warm temperate zone. Several hybrids and cultivars have been developed. Osmanthus flower on old wood and produce more flowers if unpruned. A pruned shrub often produces few or no flowers for one to five or more years, before the new growth matures sufficiently to start flowering.
In Japan, Osmanthus fragrans Lour. var. aurantiacus Makino (fragrant orange-colored olive) (kin-mokusei) is a favorite garden shrub. Its small deep golden flowers appear in short-stalked clusters in late autumn. It has an intense sweet fragrance. A variant with white flowers (gin-mokusei) is also popular.
The flowers of O. fragrans are used throughout East Asia for their scent and flavour, which is likened to apricot and peach.
In China, osmanthus tea combines sweet osmanthus flowers with black or green tea leaves. In Liuzhou, it is used to flavor a locally brewed beer. Sweet osmanthus and osmanthus tea are particularly associated with the city of Guilin whose name translates to "Forest of Sweet Osmanthus".
Chinese osmanthus dishes also include a steamed bread made from blended rice and wheat flour and chestnuts boiled with dried osmanthus flowers.[9]
Osmanthus wine is prepared by infusing whole Osmanthus fragrans flowers in huangjiu or other types of rice wine and is traditionally consumed during the Mid-Autumn Festival.
PepsiCo makes osmanthus flavored Pepsi for the Chinese domestic market.[10]
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