千葉大学東葛キャンパス植物データベース

属名の詳細: Rhus L. [187]

属和名: ヌルデ

属英名: Sumach

種数: 54

発表年:

正名？: 正名

科名: Anacardiaceae

科の和名: ウルシ

科内分類群:

原生地・分布（英語）:

説明（英語）: Genus of about 200 species of deciduous or evergreen shrubs, trees, and woody climbers, widely distributed in temperate and subtropical North America, South Africa, E. Asia, and N.E. Australia. They are found in woodland, thickets, dry sites, bogs, and on rocky slopes. Sumachs are grown mainly for their alternate, simple, pinnate, or palmate leaves, which in many species and cultivars turn brilliant shades of yellow, red, or orange in autumn; some also produce showy fruit clusters. The inconspicuous flowers, usually 2mm (1/16in) across, are borne in spring or summer in terminal, normally erect, ovoid, or conical to pyramidal panicles. In autumn, they are followed by spherical, usually red fruits, 4-6mm (1/8-1/4in) across. R. glabra, R. x pulvinata, and R. typhina usually produce male and female flowers on separate plants; plants of both sexes must be grown together to obtain fruit. Grow in a shrub border or woodland garden, or as specimen plants. In frost-prone areas, grow tender species in a cool greenhouse. All parts of R. radicans and R. verniciflua are highly toxic if ingested; contact with their foliage, and that of a number of related species, including R. succedanea, may aggravate skin allergies.

耐寒性（英語）: Fully hardy to frost tender.

栽培（英語）:

繁殖（英語）: Sow seed in a seedbed in autumn. Root semi-ripe cuttings in summer, or insert root cuttings in winter. Separate suckers when dormant.

病害虫（英語）: Prone to coral spot and Verticillium wilt.

説明: ウルシ、ツタウルシ、ハゼノキなどはToxicodendron

備考（英語）: Temperate and warm

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系統学的定義:

更新情報: 作成: 2007-12-06 12:51; 更新: 2022-05-07 12:39 by hkokubun@mac.com

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