Osmanthus heterophyllus (Holly Osmanthus; Chinese

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...

: 柊树 zhong shu; Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

: ヒイラギ Hiiragi, also known as Hihiragi, Holly Olive and False Holly) is a species of Osmanthus

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 eastern 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...

 in central and 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...

 (Honshū

Honshu

is the largest island of Japan. The nation's main island, it is south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Strait...

, Kyūshū

Kyushu

is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

, Shikoku

Shikoku

is the smallest and least populous of the four main islands of Japan, located south of Honshū and east of the island of Kyūshū. Its ancient names include Iyo-no-futana-shima , Iyo-shima , and Futana-shima...

, and the Ryukyu Islands

Ryukyu Islands

The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

) and Taiwan

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

.

It is an evergreen

Evergreen

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 2–8 m tall. The bark

Bark

Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...

 is brown to grey or blackish, cracking into small plates on old plants. 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 opposite, 3–7 cm long and 1.5–4 cm broad with a thick, leathery texture, lustrous dark green above, paler yellow-green below; the margin is entire or with one to four large spine-tipped teeth on each side. Spiny leaves predominate on small, young plants (an adaptation to deter browsing animals), while entire leaves predominate higher on larger mature plants out of the reach of animals. 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 very fragrant, white, with a four-lobed corolla, the corolla tube 1–2 mm long and the lobes 2.5–5 mm long; they are dioecious

Plant sexuality

Plant sexuality covers the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants....

, with flowering in the 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 an ovoid dark purple 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...

 1.5 cm long and 1 cm diameter, mature in the following summer about 9 months after flowering.

There are two varieties:

• Osmanthus heterophyllus var. heterophyllus. Leaves entire or spiny; flowers with short corolla lobes 2.5-3.5 mm long. Throughout the range of the species.
• Osmanthus heterophyllus var. bibracteatus (Hayata) P.S.Green. Leaves always entire; flowers with long corolla lobes 5 mm long. Endemic to Taiwan.

The scientific name heterophyllus, "different leaves", refers to the variation in leaf shape between spiny and entire. The common name Holly Osmanthus refers to the similarity in leaf shape to that of the Holly (Ilex aquifolium), an example of convergent evolution

Convergent evolution

Convergent evolution describes the acquisition of the same biological trait in unrelated lineages.The wing is a classic example of convergent evolution in action. Although their last common ancestor did not have wings, both birds and bats do, and are capable of powered flight. The wings are...

 with a common objective of deterring browsing; the two may be distinguished easily by the leaf arrangement, alternate in Ilex aquifolium and opposite in Osmanthus heterophyllus.

Cultivation and uses

It is widely used as a hedge plant. Several 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, including 'Aureus', 'Goshiki', 'Gulftide', 'Purpureus', 'Rotundifolius', 'Subangustatus', and 'Variegatus'.

The species has been hybridised in cultivation with Osmanthus fragrans; the resulting hybrid is named Osmanthus × fortunei Carr.

Historical mentions

It is mentioned twice in the Kojiki

Kojiki

is the oldest extant chronicle in Japan, dating from the early 8th century and composed by Ō no Yasumaro at the request of Empress Gemmei. The Kojiki is a collection of myths concerning the origin of the four home islands of Japan, and the Kami...

, the oldest surviving historical record of Japan. The first mention, under the name hihiragi, is in connection with the name of a kami

Kami

is the Japanese word for the spirits, natural forces, or essence in the Shinto faith. Although the word is sometimes translated as "god" or "deity", some Shinto scholars argue that such a translation can cause a misunderstanding of the term...

, Hihiragi-no-sono-hana-madzumi-no-kami (translated by Chamberlain

Basil Hall Chamberlain

Basil Hall Chamberlain was a professor of Tokyo Imperial University and one of the foremost British Japanologists active in Japan during the late 19th century. He also wrote some of the earliest translations of haiku into English...

 as "Deity Waiting-to-see-the-Flowers-of-the-Holly"), with the word madzumi (rarely seen) being used to describe the plant's characteristic of its flowers rarely blossoming, as interpreted by the scholar Tominobu. Its second mention occurs during a passage referring to how a holly wood spear, made of material from the tree and spanning "eight fathoms long", was presented to the Prince Yamato-take

Yamato Takeru

, originally Prince Ousu was a Japanese legendary prince of the Yamato dynasty, son of Keikō of Yamato, a legendary monarch who is traditionally counted as the 12th Tennō or Emperor of Japan. The tragic tale of this impressive figure is told in the Japanese chronicles Kojiki and Nihon Shoki...

 by the Emperor prior to him being sent to subdue the East. Its prickly and non-prickly variations are sometimes described as "male" and "female" respectively, though this does not equate to its true plant sexuality

Plant sexuality

Plant sexuality covers the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants....

.