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(Upload on September 2 2018) [ 日本語 | English ]

Thujopsis dolabrata (L. f.) Siebold et Zucc.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Thujopsis Sieb. et Zucc. (アスナロ)
Asunaro/Hiba (アスナロ, 翌檜/ヒバ, 比婆, s.l.), Aomori cypress
Lifeform: evergreen coniferous tree
Distribution: endemic to Japan (Honshu - Shikoku - Kyushu)
Habitat: mesic mountainous forests (shade-tolerant)

flora on Mount Usu

Fruit: cone, produced in and around October
The Kiso five trees (木曽五木)
var. hondae Makino
Hiba/Hinoki-asunaro (ヒバ s.s., 比婆/ヒノキアスナロ, 檜翌檜)
Distribution: Japan-Sea side (Sado Island, northern Honshu and southern Hokkaido)
Stomatal band: broad, clearly defined, and noticeably bright

The white bands appear as thick, conspicuous stripes with strong contrast

Flower = May, Fruit = October-November
Use: wood

f. uchimappeana Hayashi (ホソバアスナロ)
cv. nana (ヒメアスナロ), syn. var. nana (Lindl.) Masters, transplantation
cv. variegata (フイリアスナロ)

var. dolabrata (アスナロ, s.s.)
Distribution: Pacific-Ocean side, south to central Honshu
Stomatal band: narrow and somewhat indistinct

The white bands appear as thin, fine lines on the underside of the leaf

索引

Thujopsis dolabrata in Japan


var. hondae

ST1 ST2
ST3 ST4
[1/2] on the bottom of the Yu-Kun (K-1) Crater, that erupted in 2000, of Mount Usu on July 25 2018. [3/4] in Tofuku-ji Temple (東福寺), Kyoto, on March 15 2026.

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