Gymnosperm Database
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Conservation status

Juniperus chinensis var. tsukusiensis

(Masamune) Masamune 1930

Common names

清水圆柏 qing shui yuan bai (Fu et al. 1999).

Taxonomic notes

Syn: J. tsukusiensis Masamune 1929; J. sargentii sensu Sasaki 1928; J. chinensis var. sargentii sensu Sasaki 1930 non Henry.

Description

A procumbent shrub. Leaves dimorphic; acicular leaves usually densely arranged in whorls of 3, 6 mm long, 1 mm broad, the apex acute, concave above, carinate beneath; scale leaves about 1.5 mm long, 1 mm broad. Cones globose, about 5 mm in diameter. Seeds 3, erect, trigonal-elliptic, 3 mm long, 2 mm wide (Iwatsuki et al. 1995, Fu et al. 1999).

"This variety was described by G. Masamune as only differing in its procumbent habit from var. chinensis; the latter taxon has a variable habit from a shrub to a tall tree" (Fu et al. 1999).

Distribution and Ecology

Southernmost Japan (Islet Yakushima) and Taiwan: Chinsuishan (Seisuizan), Hualien Xian, at 2200 m (Li 1975). Collections have been described (HAST Database) at Hualien Xian: Taroko National Park. At Peak of Chingshuishan, a marble mountain. 121°38'21"E, 24°14'41"N, 2200-2400 m. A procumbent shrub, on exposed rocky slope.

Big tree

Oldest

Dendrochronology

Ethnobotany

Observations

Taroko National Park looks like a good place to see it.

Remarks

Citations

Masamune, G. 1930. Bot. Mag. (Tokyo) 44: 50.

Masamune, G. 1930. J. Soc. Trop. Agric. Formosa 2: 152.

See also

Farjon (2005) provides a detailed account, with illustrations.

Huang 1994 (the Flora of Taiwan).

Last Modified 2012-11-23