千葉大学東葛キャンパス植物データベース

属名の詳細: Juglans L. [191]

属和名:

属英名: Walnut, Walnut

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正名？: 正名

科名: Juglandaceae

科の和名: クルミ

科内分類群:

原生地・分布（英語）: Med. to E.Asia, N.America

説明（英語）: Genus of about 15 species of deciduous trees, sometimes shrubs, occurring in woodland in S.E. Europe, Asia, North America, and N. South America. They have furrowed bark and alternate, pinnate leaves, usually with toothed leaflets. Greenish yellow male and female flowers are borne separately on the same plant in late spring and early summer; males in pendulous catkins and females inconspicuous. Fruits are ovoid or spherical, initially green, ripening to brown, and contain edible nuts with hard, thin or thick, furrowed shells. Cultivated for their habit, foliage, and fruit, walnuts are fine specimen trees.

耐寒性（英語）: Fully hardy to frost hardy. Late frosts may cause damage.

栽培（英語）:

繁殖（英語）: Sow seed in a seedbed as soon as ripe, or stratify and then sow in spring. Named cultivars of J. regia and J. nigra are usually grafted on to seedling stocks.

病害虫（英語）: Aphids, walnut blister mites, honey fungus, coral spot, and leaf spot may be a problem.

説明:

備考（英語）:

備考: クルミ

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系統学的定義:

更新情報: 作成: 2007-12-06 12:51; 更新: 2022-03-09 15:20

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