Comments
provided by eFloras
Juglans mandshurica has often been characterized as a species with abaxially glabrescent leaflets, fruiting spike with 4 or 5 nuts, and a distribution N and NE of the Huang He valley. Juglans cathayensis was thought to differ in its tomentose leaflets, fruiting spike with 6-10 nuts, and a distribution S of the Huang He.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Trees or sometimes shrubs, to 25 m tall. Leaves 40-90 cm; petiole 5-23 cm; petiole and rachis sparsely to moderately glandular pubescent, occasionally densely so; leaflets (7 or)9-19, lateral ones sessile, blade elliptic to long elliptic or ovate-elliptic to long elliptic-lanceolate, 6-17 × 2-7.5 cm, abaxially tomentose or occasionally slightly pubescent, generally without glandular hairs, slightly to densely eglandular and glandular pubescent along midvein, base oblique, subcordate, margin serrate, rarely serrulate, apex acuminate; terminal petiolule 1-5 cm. Male spike 9-40 cm. Stamens 12-40. Fruiting spike with 5-10(-13) nuts. Nuts globose, ovoid, or ellipsoid, 3-7.5 × 3-5 cm; husk densely glandular pubescent, indehiscent; shell thick, rough, with 6-8 prominent ridges and deep pits and depressions. Fl. Apr-May, fr. Aug-Oct. 2n = 32
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Anhui, Fujian, Gansu, Guangxi, Guizhou, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [N Korea].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Mixed forests on mountain slopes or in valleys; 500-2800 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Juglans cathayensis Dode; J. cathayensis var. formosana (Hayata) A. M. Lu & R. H. Chang; J. collapsa Dode; J. draconis Dode; J. formosana Hayata; J. stenocarpa Maximowicz.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA