Thuja standishii

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Thuja standishii
Thuja standishii.jpg
Thuja standishii foliage and cones
upper side left, under side right
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
(unranked): Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Cupressaceae
Genus: Thuja
T. standishii
Binomial name
Thuja standishii

Thuja standishii (Japanese thuja; Japanese: nezuko, kurobe) is a species of thuja, an evergreen coniferous tree in the cypress family Cupressaceae. It is native to southern Japan, where it occurs on the islands of Honshū and Shikoku. It is a medium-sized tree, reaching 20–35 m tall and with a trunk up to 1 m diameter.


The foliage forms in flat sprays with scale-like leaves 2–4 mm long, matte green above, and with narrow white stomatal bands below. The cones are oval, yellow-green ripening red-brown, 6–12 mm long and 4–5 mm broad (opening to 8 mm broad), with 6–10 overlapping scales.

It is an important timber tree in Japan, grown in forestry plantations for its durable, waterproof, attractively scented wood.

There is some evidence that extracts of T. standishii have biological activity. It contains a compound called standishinal which has shown relatively potent effects on the enzyme aromatase. It acts as an inhibitor, thus decreasing the synthesis of estradiol in the human body. This compound has been used in research and derivatives of it have shown even stronger inhibition of aromatase.

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<i>Thuja</i> Genus of conifers

Thuja is a genus of coniferous trees in the Cupressaceae. There are five species in the genus, two native to North America and three native to eastern Asia. The genus is monophyletic and sister to Thujopsis. Members are commonly known as arborvitaes, thujas or cedars.

Cupressaceae The cypress family of conifers

Cupressaceae is a conifer family, the cypress family, with worldwide distribution. The family includes 27–30 genera, which include the junipers and redwoods, with about 130–140 species in total. They are monoecious, subdioecious or (rarely) dioecious trees and shrubs up to 116 m (381 ft) tall. The bark of mature trees is commonly orange- to red- brown and of stringy texture, often flaking or peeling in vertical strips, but smooth, scaly or hard and square-cracked in some species.

<i>Thuja plicata</i> Species of conifer in the family Cupressaceae

Thuja plicata is an evergreen coniferous tree in the cypress family Cupressaceae, native to western North America. Its common name is western redcedar, and it is also called Pacific redcedar, giant arborvitae, western arborvitae, just cedar, giant cedar, or shinglewood. It is not a true cedar of the genus Cedrus.

<i>Thuja occidentalis</i> Species of evergreen coniferous tree

Thuja occidentalis, also known as northern white cedar, eastern white cedar, or arborvitae, is an evergreen coniferous tree, in the cypress family Cupressaceae, which is native to eastern Canada and much of the north-central and northeastern United States. It is widely cultivated as an ornamental plant.

<i>Platycladus</i> Genus of conifers

Platycladus is a monotypic genus of evergreen coniferous trees in the cypress family Cupressaceae, containing only one species, Platycladus orientalis, also known as Chinese thuja, Oriental arborvitae, Chinese arborvitae, biota or Oriental thuja. It is native to northeastern parts of East Asia and North Asia, but is also now naturalised as an introduced species in other regions of the Asian continent.

<i>Picea abies</i> Species of plant

Picea abies, the Norway spruce or European spruce, is a species of spruce native to Northern, Central and Eastern Europe. It has branchlets that typically hang downwards, and the largest cones of any spruce, 9–17 cm long. It is very closely related to the Siberian spruce, which replaces it east of the Ural Mountains, and with which it hybridizes freely. The Norway spruce has a wide distribution for it being planted for its wood, and is the species used as the main Christmas tree in several countries around the world. It was the first gymnosperm to have its genome sequenced. The Latin specific epithet abies means “fir-like”.

<i>Thujopsis</i> Genus of conifers

Thujopsis is a genus of conifers in the cypress family (Cupressaceae), the sole member of which is Thujopsis dolabrata. It is endemic to Japan, where it is named asunaro (あすなろ). It is similar to the closely related genus Thuja (arborvitae), differing in the broader, thicker leaves and thick cones. It is also called hiba, false arborvitae, or hiba arborvitae.

<i>Chamaecyparis obtusa</i> Species of plant (cypress tree)

Chamaecyparis obtusa is a species of cypress native to central Japan in East Asia, and widely cultivated in the temperate northern hemisphere for its high quality timber and ornamental qualities, with many cultivars commercially available.

<i>Chamaecyparis pisifera</i> Species of conifer

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<i>Tetraclinis</i> Genus of conifers

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<i>Juniperus drupacea</i> Species of conifer

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Thuja sutchuenensis, the Sichuan thuja, is a species of Thuja, an evergreen coniferous tree in the cypress family Cupressaceae. It is native to China, where it is an endangered local endemic in Chengkou County, on the southern slope of the Daba Mountains.

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. It is a pale yellow solid that is soluble in organic solvents. The compound has been of interest to research chemists because of its unusual electronic structure and its role as a ligand precursor. Although not usually prepared from tropone, it can be viewed as its derivative with a hydroxyl group in the 2-position.

<i>Juniperus rigida</i> Species of conifer

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<i>Thuja koraiensis</i> Species of conifer

Thuja koraiensis, also called Korean arborvitae, is a species of Thuja, native to Korea and the extreme northeast of China (Changbaishan). Its current status is poorly known; the small population in China is protected in the Changbaishan Nature Reserve, as is the small population in Soraksan Nature Reserve in northern South Korea, but most of the species' range in North Korea is unprotected and threatened by habitat loss.

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  1. Carter, G.; Farjon, A. (2013). "Thuja standishii". IUCN Red List of Threatened Species . 2013: e.T42264A2968225. doi: 10.2305/IUCN.UK.2013-1.RLTS.T42264A2968225.en . Retrieved 19 November 2021.

Further reading