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(First upload on July 5 2009. Last on January 24 2015) [ 日本語 | English ]

Castanopsis sieboldii (Makino) Hatus. ex T.Yamaz. et Mashiba






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

Castanopsis (D. Don) Spach (シイ)


Formerly: Castanopsis + Shiia
C. cuspidata (Thunb.) Schottky (ツブラジイ)

var. carlesii (Hemsl.) T. Yamaz. (タカサゴジイ)

C. eyrei (Champ. ex Benth.) Hutch. (ハリジイノキ)
C. fabri Hance (ヒシガタクリガシ)
C. fargesii Franch. (クリガシ)
C. formosana (Skan) Hayata (タイワンクリガシ)
C. indica (Roxb.) A. DC. (ホソバクリガシ)
C. kawakamii Hayata (オオクリガシ)
C. kusanoi Hayata (クサノクリガシ)
C. longicaudata (Hayata) Nakai (ナガバシイ)
C. sieboldii (Makino) Hatus. ex T. Yamaz. et Mashiba (スダジイ)
C. uraiana (Hayata) Kaneh. et Hatus. (ウライガシ)

Shiia (シイ) Makino

→ merged into Castanopsis (クリガシ)

Castanopsis sieboldii in Japan


Sudajii (スダジイ, 須田椎 → commonly called Shii), Shii, or sweet-acorn tree * (* tentative)
Lifeform: evergreen tall tree
Distribution: Jeju Island - Japan (south to Fukushima and Niigata Prefecture)
Habitat: developing climax forests (極相林)

lowland zone (山麓帯)

Seed dispersal: gravity (or cache by rodents)
Use: tree for garden and street, bark for dye (because of high concentration of tannin), and wood for furniture
Synonyms:

Castanopsis cuspidata (Thunb.) Schottky var. sieboldii (Makino) Nakai
Castanopsis cuspidata (Thunb.) Schottky f. lanceolata Sugim.
Castanopsis cuspidata auct. non (Thunb.) Schottky
Shiia sieboldii Makino, often used

ssp. lutchuensis (Koidz.) H. Ohba (オキナワジイ)
f. awanoi (Yanagita) Yonek. (シダレジイ)

ST1 ST2 ST3

索引

ST4 ST5
[1-4] at Yushima Temple (seido), Tokyo, on May 30 2014 → giant tree (巨木). [5] at Hibiya Park, Tokyo, on December 27 2014.

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