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单词 Juglans cathayensis
释义

Juglans cathayensis

英语百科

Juglans mandshurica

Juglans mandshurica, the Manchurian walnut, is a deciduous tree of the genus Juglans (section Cardiocaryon), native to the Eastern Asiatic Region (China, Russian Far East, North Korea and South Korea). It grows to about 25 m.

The leaves are alternate, 40–90 cm long, odd-pinnate, with 7–19 leaflets, 6–17 cm long and 2–7.5 cm broad (margin serrate or serrulate, apex acuminate). The male flowers are in drooping catkins 9–40 cm long, the wind-pollinated female flowers (April–May) are terminal, in spikes of 4 to 10, ripening in August–October into nuts, 3-7.5 × 3–5 cm, with densely glandular pubescent green husk and very thick shell.

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