Korea Flora: <Korea Flora> 

Evergreen shrub  up to 3m, grayish brown and scally; leaves appearing 2-ranked, linear, 2.5- 4.0cm × 0.3-0.5cm (sprout leave 7-8cm), deciduous after 4-5 years, abruptly mucronate, dark green above, with 2 rather broad grayish stomatal bands beneath; Dioecious, pollen cones 5mm long, borne 20-30 together, bracts 10, seed cones borned 2, seed scles 5mm long with green bract, 8-10 per seed cone; Aril green, 17-18mm wide, seeds ovoid,  about 2.5 cm. long, greenish.  

2n=24.
Pollination March- April
Seed maturity of Sept-Oct of 2nd year
Distribution Japan Honsh west to Kyushu; Gyonggi-do to Jeolla-do
Ecological characterisits very strong shade tolerant, growing in mexic sites

Japan Flora: Small tree with spreading branches; leaves appearing 2-ranked, linear, 2-5 cm. long, 2.5- 3.5 mm. wide, abruptly mucronate, dark green above, with 2 rather broad grayish stomatai bands beneath; stamens on short, simple or rarely branched peduncles; seeds ovoid or obovoid, rarely globose, about 2.5 cm. long, greenish, becoming purplish when mature. Hondo (Kanto Distr. and westw.), Shikoku, Kyushu. Korea and n. China.

var. nana (Nakai) Rehder Spreading shrub with ascending branches; seeds pale purplish when mature Mountains on the Japan Sea side; Hokkaido, Honshu.