Ilex rotunda

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Ilex rotunda
W kuroganemoti3101.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Aquifoliales
Family: Aquifoliaceae
Genus: Ilex
Species:
I. rotunda
Binomial name
Ilex rotunda

Ilex rotunda, commonly called the Kurogane holly, [2] is an evergreen tree in the holly family (Aquifoliaceae). It is native to east Asia, where it is found in China, Japan, Korea, Taiwan, and Vietnam. [3] Its natural habitat is in evergreen broadleaf forests, often in sunny areas such forest edges or on mountain slopes. [4] [5]

It has spineless leathery leaves and clusters of bright-red berries. It reaches 18 m at maturity (although 20 m is also reported). [2] The tree blooms from May to June, [3] and the seeds become ripe from October to December. [2] The plants are dioecious. [2] The fruits contain flavonols. [6]

Kurogane holly was first described in 1784 by Carl Peter Thunberg, from species growing in Japan.

In Japan, it is commonly planted garden and street tree. [3] It was first introduced to gardens of the New World through collections sent by Robert Fortune. In Japan, kurogane holly is one of the hibakujumoku trees. It is also the official tree of several Japanese municipalities.

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<i>Ilex aquifolium</i> Species of flowering plant in the family Aquifoliaceae

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<i>Ilex latifolia</i> Species of holly

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Ilex, or holly, is a genus of over 570 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. Ilex has the most species of any woody dioecious angiosperm genus. The species are evergreen or deciduous trees, shrubs, and climbers from tropics to temperate zones worldwide. The type species is Ilex aquifolium, the common European holly used in Christmas decorations and cards.

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<i>Ilex cornuta</i> Species of holly

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<i>Ilex umbellulata</i> Species of holly

Ilex umbellulata is an evergreen tree species related to holly, generally four to fifteen metres in height. It is found in Southeast Asia. This tree is most often found growing in forests.

<i>Ilex perado</i> Species of plant

Ilex perado, the Macaronesian holly, is a species of holly endemic to Macaronesia, distributed throughout the Azores, Madeira and Canary islands. It is an important component of the natural high-altitude Macaronesian rainforest, known as 'laurisilva', found mostly at 500 to 1,200 m altitude but it also appears in forest formations at lower elevation. Many of the subspecies have been classified as threatened, probably because of very small population sizes, and are protected by local, national and regional legislation.

<i>Machilus thunbergii</i> Species of plant in the genus Machilus

Machilus thunbergii, the Japanese bay tree, red machilus, or tabunoki, is a widespread species of flowering plant in the family Lauraceae. It is native to Vietnam, Taiwan, southeast and north-central China, the Korean Peninsula, and Japan. A sturdy evergreen tree, usually 10–15 m (30–50 ft) tall, and reaching 20 m (70 ft), it is used for timber, and as a street tree. Its bark is the source of makko, a powder used to make a mosquito‑repelling incense. It prefers coastal areas, and can handle saline soil.

<i>Ilex macropoda</i> Species of plant in the family Aquifoliaceae

Ilex macropoda is a species of flowering plant in the holly family Aquifoliaceae, native to southern China, Korea, and Japan. A deciduous tree typically 13 m (43 ft) tall, it is found in mixed forests, forest edges, thickets, and roadsides, usually from 500 to 1,900 m above sea level. Local people make a tea by boiling its leaves.

<i>Ilex micrococca</i> Species of plant

Ilex micrococca, the thin-leaf holly, is a widespread species of flowering plant in the family Aquifoliaceae. It is native to Tibet, southern China, Hainan, Taiwan, northern Myanmar, Peninsular Malaysia, Vietnam, and Japan. A deciduous tree reaching 20 m (66 ft), it is found in evergreen broadleaf mountain forests from 500 to 1,900 m in elevation.

Ilex hayatana is a species of flowering plant in the holly family Aquifoliaceae, native to Taiwan. There is some confusion about the identity of this species; for example Flora of China states that it is an evergreen tree with "pale gray‑black" bark reaching 12 m (39 ft) tall, found in forests at 200 to 300 m a.s.l., and also native to Japan, but the International Dendrology Society states that the original specimen, which is still alive, lives at 1,900 m (6,200 ft) and was described as either an 18 m (59 ft) tree or a 4 m (13 ft) shrub.

Ilex cinerea, the gray holly or Hong Kong holly, is a species of flowering plant in the family Aquifoliaceae, native to Hong Kong, Hebao Island, and Hainan in China, and to northern Vietnam. An evergreen shrub or small tree usually 3 to 6 m tall, it is found at higher elevations in mountain forests. It is used as a street tree in Hong Kong.

Ilex rubra is a species of flowering plant in the holly family Aquifoliaceae, native to northern and western Mexico. An evergreen tree 4 to 10 m tall, it is found above 1,000 m (3,300 ft) in coniferous forests. Hardy to USDA zone 7b and with large dark red fruit, it is rare in gardens but deserves to be more widely cultivated. It is used as a street tree in Guadalcázar, Mexico.

Ilex ficoidea, the fig-leaved holly, is a species of flowering plant in the family Aquifoliaceae, native to southern China, Taiwan, and Vietnam. An evergreen shrub or tree usually 2 to 10 m tall, it is found in a wide variety of habitats at elevations from 100 to 1,500 m. It is used as a street tree in Hong Kong.

References

  1. Ye, J.; Qin, H.; Botanic Gardens Conservation International (BGCI) & IUCN SSC Global Tree Specialist Group (2019). "Ilex rotunda". IUCN Red List of Threatened Species . 2019: e.T147378579A147613837. Retrieved 2 September 2022.
  2. 1 2 3 4 "Ilex rotunda - Thunb". Plants for a Future . Retrieved 1 June 2014.
  3. 1 2 3 Ilex rotunda (in Japanese), Flora of Mikawa
  4. Ilex rotunda Flora of China
  5. Ilex rotunda (in Japanese), Okayama University Plant Ecology Laboratory
  6. Jean-Jacques Macheix; Annie Fleuriet (1990). Fruit Phenolics. CRC Press. p. 263. ISBN   0-8493-4968-0.