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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

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

(First update on December 10 2009. Last on September 9 2010)

Hinoki falsecypress
Chamaecyparis obtusa (Siebold et Zucc.) Endl.
[Cupressaceae]

Hinoki (ヒノキ, 檜) Cypress

Lifeform: evergreen tree < 35 m high
Distribution: south to central Japan
Habitat: mountains


Cupressaceae in Japan

Thuja L. (Kurobe クロベ)

T. standishii (Gordon) Carr. (Nezuko ネズコ/クロベ): Fl = 5, Fr = 10-11
T. occidentalis: (Nioihiba ニオイヒバ): Transplantation (native to USA)
T. orientalis L. (Konotegashiwa コノテガシワ): Transplantation (native to China)

Tsujopsis Sieb. et Zucc. (Asunaroアスナロ)

T. dolabrata (Linn. fil.) Sieb. et Zucc. (Asunaro -): shade-tolerant, thinn wood. F = 5, Fr = 10-11

- var. nana (Lindl.) Masters (Hime- ヒメアスナロ): Transplantation

T. hondae (Makino) Henry (Hinokiasunaro ヒノキ-)

Chamaecyparis Spach (Hinoki ヒノキ)

C. obtusa (Siebold et Zucc.) Endl. (Hinoki -)
C. pisifera (Siebold et Zucc.) Siebold et Zucc. (Sawara サワラ)

Juniperus L. (Byakushin ビャクシン)

J. sibirica Burgsd. (Rishiribyakushin リシリビャクシン) [Syn. J. communis L. var. saxatilis Pallas]

- var. nipponica (Maxim.) Wils (Miyamanezu ミヤマネズ)
- var. hondoensis Satake (Hondomiyamanezu ホンド-)

J. taxifolia Hook. et Arn. (Shimamuro シマムロ)

- var. lutchuensis (Koidz.) Satake (okinawahainezu オキナワハイネズ)

J. conferta Parlat. (Hainezu ハイネズ)
J. rigida Sieb. et Zucc. (Nezu ネズ), not in Hokkaido
J. chinensis L. (Ibuki イブキ)

- var. sargentii Henry (Miyamabyakushin ミヤマビャクシン)
- var. procumbens (Sieb.) Endl. (Hai- ハイ-)

Follows Ohwi & Kitagawa (1983)

Chamaecyparis Spach

Two species in Japan. Many cultivars are applied.

C. obtusa (Siebold et Zucc.) Endl. (ヒノキ): Y-shaped stoma are articulated. Fragrant. Pink wood.

- cv. breviramea (チャボヒバ)
- cv. filicoides (アオノクジャクヒバ)
- cv. filicoides-aurea (オウゴンクジャクヒバ)
- cv. penduliformis (シダレヒノキ)

C. pisifera (Siebold et Zucc.) Endl. (サワラ): Less fragrant than . Yellow wood (Articulated nerve)

- cv. filifera (イトヒバ)
- cv. plumosa-aurea (オウゴンシノブヒバ)
- cv. squarrosa (ヒムロ)


Chamaecyparis obtusa in Japan

ST ST ST
[Left/Center] a sapling. [Center] branches. [Right] close-up of shoot. At Rakuju-en Garden, Mishima, on November 18 2009.


References

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