Sweet Osmanthus
Encyclopedia
Osmanthus fragrans is a species of Osmanthus
native to Asia
, from the Himalaya east through southern China
(Guizhou
, Sichuan
, Yunnan
) and to Taiwan and to southern Japan
. Sweet osmanthus is also the 'city flower' of Hangzhou
, China.
shrub
or small tree
growing to 3–12 m tall. The leaves
are 7–15 cm long and 2.6–5 cm broad, with an entire or finely toothed margin. The flower
s are white, pale yellow, yellow, or orange-yellow, small (1 cm long), with a four-lobed corolla 5 mm diameter, and have a strong fragrance; they are produced in small clusters in the late summer and autumn. The fruit
is a purple-black drupe
10–15 mm long containing a single hard-shelled seed
; it is mature in the spring about six months after flowering.
in garden
s in Asia, Europe, North America, and elsewhere in the world, for its deliciously fragrant flowers which carry the scent of ripe peach
es or apricot
s. A number of cultivar
s have been selected for garden use, with varying flower colour.
In Chinese
, the plant is called xī (樨) or guìhuā (桂花), and its flowers, called guì huā (桂花, literally "cinnamon flower" or "cassia flower") are used, infused with green or black tea leaves, to create a scented tea called guì huā chá (桂花茶).
In Chinese cuisine
, the flowers are also used to produce osmanthus-scented jam (called guì huā jiàng, 桂花醬 or 桂花酱), sweet cakes (called guì huā gāo, 桂花糕), dumplings, soups, and even liquor (called guì huā jiǔ, 桂花酒; or 桂花陈酒, guì huā chén jiǔ).http://home.hkstar.com/~chnwine/KUEIDOC.HTML Osmanthus jam is used as an ingredient in a type of gruel
called chátāng
(茶汤), which is made from sorghum
or millet
flour and sugar mixed with boiling water. This dish is typical of the northern city of Tianjin
, although it may also be found in Beijing
.
assays.
Osmanthus
Osmanthus is a genus of about 30 species of flowering plants in the family Oleaceae, mostly native to warm temperate Asia but one species occurring in North America . It is sometimes included in Nestegis.They range in size from shrubs to small trees, 2-12 m tall...
native to Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
, from the Himalaya east through southern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
(Guizhou
Guizhou
' is a province of the People's Republic of China located in the southwestern part of the country. Its provincial capital city is Guiyang.- History :...
, Sichuan
Sichuan
' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...
, Yunnan
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...
) and to Taiwan and to southern Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
. Sweet osmanthus is also the 'city flower' of Hangzhou
Hangzhou
Hangzhou , formerly transliterated as Hangchow, is the capital and largest city of Zhejiang Province in Eastern China. Governed as a sub-provincial city, and as of 2010, its entire administrative division or prefecture had a registered population of 8.7 million people...
, China.
Growth
It is an evergreenEvergreen
In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...
shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
or small tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
growing to 3–12 m tall. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....
are 7–15 cm long and 2.6–5 cm broad, with an entire or finely toothed margin. The flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...
s are white, pale yellow, yellow, or orange-yellow, small (1 cm long), with a four-lobed corolla 5 mm diameter, and have a strong fragrance; they are produced in small clusters in the late summer and autumn. The fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...
is a purple-black drupe
Drupe
In botany, a drupe is a fruit in which an outer fleshy part surrounds a shell of hardened endocarp with a seed inside. These fruits develop from a single carpel, and mostly from flowers with superior ovaries...
10–15 mm long containing a single hard-shelled seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...
; it is mature in the spring about six months after flowering.
Cultivation and uses
It is cultivated as an ornamental plantOrnamental plant
Ornamental plants are plants that are grown for decorative purposes in gardens and landscape design projects, as house plants, for cut flowers and specimen display...
in garden
Garden
A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature. The garden can incorporate both natural and man-made materials. The most common form today is known as a residential garden, but the term garden has...
s in Asia, Europe, North America, and elsewhere in the world, for its deliciously fragrant flowers which carry the scent of ripe peach
Peach
The peach tree is a deciduous tree growing to tall and 6 in. in diameter, belonging to the subfamily Prunoideae of the family Rosaceae. It bears an edible juicy fruit called a peach...
es or apricot
Apricot
The apricot, Prunus armeniaca, is a species of Prunus, classified with the plum in the subgenus Prunus. The native range is somewhat uncertain due to its extensive prehistoric cultivation.- Description :...
s. A number of cultivar
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...
s have been selected for garden use, with varying flower colour.
Culinary uses
Chinese language
The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...
, the plant is called xī (樨) or guìhuā (桂花), and its flowers, called guì huā (桂花, literally "cinnamon flower" or "cassia flower") are used, infused with green or black tea leaves, to create a scented tea called guì huā chá (桂花茶).
In Chinese cuisine
Chinese cuisine
Chinese cuisine is any of several styles originating in the regions of China, some of which have become highly popular in other parts of the world – from Asia to the Americas, Australia, Western Europe and Southern Africa...
, the flowers are also used to produce osmanthus-scented jam (called guì huā jiàng, 桂花醬 or 桂花酱), sweet cakes (called guì huā gāo, 桂花糕), dumplings, soups, and even liquor (called guì huā jiǔ, 桂花酒; or 桂花陈酒, guì huā chén jiǔ).http://home.hkstar.com/~chnwine/KUEIDOC.HTML Osmanthus jam is used as an ingredient in a type of gruel
Gruel
Gruel is a food preparation consisting of some type of cereal—oat, wheat or rye flour, or rice—boiled in water or milk. It is a thinner version of porridge that may be more often drunk than eaten and need not even be cooked...
called chátāng
Chatang
Chatang or seasoned flour mush is a traditional gruel common to both Beijing cuisine and Tianjin cuisine, and often sold as a snack on the street. It is made from sorghum flour and/or broomcorn millet and/or proso millet flour and glutinous millet flour...
(茶汤), which is made from sorghum
Sorghum
Sorghum is a genus of numerous species of grasses, one of which is raised for grain and many of which are used as fodder plants either cultivated or as part of pasture. The plants are cultivated in warmer climates worldwide. Species are native to tropical and subtropical regions of all continents...
or millet
Millet
The millets are a group of small-seeded species of cereal crops or grains, widely grown around the world for food and fodder. They do not form a taxonomic group, but rather a functional or agronomic one. Their essential similarities are that they are small-seeded grasses grown in difficult...
flour and sugar mixed with boiling water. This dish is typical of the northern city of Tianjin
Tianjin
' is a metropolis in northern China and one of the five national central cities of the People's Republic of China. It is governed as a direct-controlled municipality, one of four such designations, and is, thus, under direct administration of the central government...
, although it may also be found in Beijing
Beijing
Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...
.
Traditional uses
The flower herb tea has been used for the treatment of menopathies.Extracts
The extract of dried flowers showed neuroprotective, free radical scavenging, anti-oxidative effects in in vitroIn vitro
In vitro refers to studies in experimental biology that are conducted using components of an organism that have been isolated from their usual biological context in order to permit a more detailed or more convenient analysis than can be done with whole organisms. Colloquially, these experiments...
assays.