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Thujopsis
Thujopsis
(pronounced /θjuːˈdʒɒpsɪs/[citation needed]) is a conifer in the cypress family (Cupressaceae), the sole member of the genus being Thujopsis
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
Thuja
(Arborvitae), differing in the broader, thicker leaves and thick cones. It is also called hiba,[1] false arborvitae, or hiba arborvitae. A popular allegory for the meaning behind asunaro is asu wa hinoki ni narou (明日はヒノキになろう, lit. tomorrow it will become a hinoki cypress, i.e. the tree looks like a smaller version of the common hinoki cypress).[citation needed] In Japan, other than being called asunaro, it also goes by the name hiba (ひば). There are also a few regional variations, with asunaro being called ate (貴, 阿天) in Ishikawa, and atebi on Sado island.[citation needed] Thujopsis
Thujopsis
is a medium to large evergreen tree, reaching up to 40 m tall and 1.5 m trunk diameter, with red-brown bark which peels in vertical strips. The leaves are arranged in decussate pairs, scale-like, 3–10 mm long, glossy green above, and marked with vivid white stomatal bands below; they have a distinctive thick, almost fleshy texture. The seed cones are ovoid, 7–15 mm long and 6–10 mm diameter, with 6–12 thick scales, brown with a violet-white wax bloom when fresh.

There are two varieties:

Thujopsis dolabrata
Thujopsis dolabrata
var. dolabrata. Central and southern Japan. Shoots less densely branched with slightly larger leaves, and strongly thickened cone scales. Thujopsis dolabrata
Thujopsis dolabrata
var. hondai. Northern Japan. Shoots more densely branched with slightly smaller leaves, and less thickened cone scales.

Uses[edit] The asunaro is a valued ornamental tree both in its native Japan, where it is commonly planted around temples as well as in gardens, and also in Europe and North America. In the latter two regions, planting is confined to areas with good rainfall or in gardens with reliable irrigation, as the species is not drought tolerant. It has gained the Royal Horticultural Society's Award of Garden Merit.[2] It is also used to a small extent in forestry in Japan, grown for the valuable wood, which is durable and scented, similar to that of Thuja plicata.

Thujopsis
Thujopsis
dolabrata; upper side of shoot, lower side of shoot, mature cones. 1 Euro coin for scale.

Thujopsis dolabrata
Thujopsis dolabrata
foliage

Young Asunaro plant

Wikimedia Commons has media related to Thujopsis
Thujopsis
dolabrata.

Wikispecies
Wikispecies
has information related to Thujopsis

References[edit]

^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17.  ^ " Thujopsis dolabrata
Thujopsis dolabrata
AGM". Royal Horticultural Society. Retrieved 14 July 2012. 

Conifer Specialist Group (1998). " Thujopsis
Thujopsis
dolabrata". IUCN Red List of Threatened Species. Version 2006. International Union for Conservation of Nature. Retrieved 12 May 2006.  Dictionary.goo.ne.jp - あすなろ

v t e

Extant Cupressaceae
Cupressaceae
species

Subfamily Athrotaxidoideae

Athrotaxis

A. cupressoides A. selaginoides A. laxifolia

Subfamily Callitroideae

Actinostrobus

A. acuminatus A. arenarius A. pyramidalis

Austrocedrus

A. chilensis

Callitris

C. baileyi C. canescens C. columellaris C. drummondii C. endlicheri C. macleayana C. monticola C. muelleri C. neocaledonica C. oblonga C. preissii C. rhomboidea C. roei C. sulcata C. verrucosa

Diselma

D. archeri

Fitzroya

F. cupressoides

Libocedrus

L. austrocaledonicus L. bidwillii L. chevalieri L. plumosa L. yateensis

Neocallitropsis

N. pancheri

Papuacedrus

P. papuana

Pilgerodendron

P. uviferum

Widdringtonia

W. cafra W. cedarbergensis W. commersonii W. cupressoides W. dracomontana W. equisetiformis W. juniperoides W. mahoni W. natalensis W. nodiflora W. schwarzii W. stipitata W. whytei

Subfamily Cunninghamioideae

Cunninghamia

C. konishii C. lanceolata

Subfamily Cupressoideae

Calocedrus

C. decurrens C. formosana C. macrolepis C. rupestris

Chamaecyparis

C. formosensis C. lawsoniana C. obtusa C. pisifera C. taiwanensis C. thyoides

Cupressus

Old World Species:

C. atlantica C. austrotibetica C. cashmeriana C. chengiana C. duclouxiana C. dupreziana C. funebris C. gigantea C. sempervirens C. tonkinensis C. torulosa C. vietnamensis

New World Species:

C. abramsiana C. arizonica C. bakeri C. benthamii C. forbesii C. glabra C. goveniana C. guadalupensis C. lusitanica C. macnabiana C. macrocarpa C. montana C. nevadensis C. nootkatensis C. pigmaea C. revealiana C. sargentii C. stephensonii

Fokienia

F. hodginsii

Juniperus

Section Juniperus

J.  brevifolia J.  cedrus J. communis J. conferta J. drupacea J.  formosana J.  lutchuensis J.  macrocarpa J.  oxycedrus J. rigida

Section Sabina

Old World Species:

J.  chinensis J.  convallium J.  excelsa J.  foetidissima J.  indica J.  komarovii J.  phoenicea J.  pingii J.  procera J.  procumbens J.  pseudosabina J.  recurva J.  sabina J.  saltuaria J.  semiglobosa J.  squamata J.  thurifera J.  tibetica J.  wallichiana

New World Species:

J.  angosturana J.  ashei J.  arizonica J.  barbadensis J.  bermudiana J.  blancoi J.  californica J.  coahuilensis J.  comitana J.  deppeana J.  durangensis J.  flaccida J.  gamboana J.  horizontalis J.  jaliscana J.  monosperma J.  monticola J.  occidentalis J.  osteosperma J.  pinchotii J.  saltillensis J.  scopulorum J.  standleyi J.  virginiana J.  zanonii

Microbiota

M. decussata

Platycladus

P. orientalis

Tetraclinis

T. articulata

Thuja

T. koraiensis T. occidentalis T. plicata T. standishii T. sutchuenensis

Thujopsis

T. dolabrata

Xanthocyparis

X. nootkatensis X. vietnamensis

Subfamily Sequoioideae

Metasequoia

M. glyptostroboides

Sequoia

S. sempervirens

Sequoiadendron

S. giganteum

Subfamily Taiwanioideae

Taiwania

T. cryptomerioides

Subfamily Taxodioideae

Cryptomeria

C. japonica

Glyptostrobus

G. pensilis

Taxodium

T. ascendens T. distichum T. mucronatum

Taxon identifiers

Wd: Q1330391 EoL: 1059918 EPPO: THJDO FoC: 200005460 GBIF: 2684102 GRIN: 36596 iNaturalist: 135553 IPNI: 263878-1 IUCN: 42265 NCBI: 13727 Plant
Plant
List: kew-2434751 Tropicos: 94

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