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FOC | Family List | FOC Vol. 4 | Cupressaceae | Juniperus

11. Juniperus virginiana Linnaeus, Sp. Pl. 2: 1039. 1753.

北美圆柏 bei mei yuan bai

Sabina virginiana (Linnaeus) Antoine.

Trees to 30 m, dioecious; bark reddish brown; crown columnar-conical or conical; branches erect or spreading; branchlets thin, 4-angled, ca. 0.8 mm in diam. Leaves both scalelike and needlelike; needlelike leaves usually present on young plants, rarely present on adult plants, decussate or in whorls of 3, ascending, glaucous, 5-6 mm, concave adaxially; scalelike leaves decussate, rhombic-ovate, 1.5-3 mm, concave, abaxial gland basal, elliptic or ovate. Pollen cones 2-3 × ca. 1.5 mm; microsporophylls 8-12, each with 3 or 4 pollen sacs. Seed cones bluish green when ripe, glaucous, globose to ovoid, 4-6(-7) × 3-5.5 mm, 1- or 2-seeded. Seeds ovoid, 3-5 × 3-4 mm.

Cultivated for ornament and planted for afforestation. Anhui, Fujian, Jiangsu, Jiangxi, Shandong, Zhejiang [native to E Canada, E United States]


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