Thujopsis dolabrata
| Thujopsis | |
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| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pinophyta |
| Class: | Pinopsida |
| Order: | Pinales |
| Family: | Cupressaceae |
| Genus: | Thujopsis |
| Species: | T. dolabrata |
| Binomial name | |
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Thujopsis dolabrata (Thunb. ex L. f.) Siebold & Zucc. |
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Thujopsis (pronounced /θjuːˈdʒɒpsᵻs/) is a conifer in the cypress family (Cupressaceae), the sole member of the genus being 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.
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). 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.
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:
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