Juglans Ailantifolia

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All the knowledge. Almost all of the trees. https://www.vdberk.com/trees/juglans-ailantifolia/ Juglans ailantifolia Height 15 - 20 m Crown round, half-open crown Bark and branches young twigs brown-green, bark light grey with reticulate grooves Leaf imparipinnate, 40 - 50 (60) cm, with 11 - 17 leaf segments, elongated to elliptical, 10 - 16 cm, dark green, feathered leaf Flowers ? red flowers in racemes and 10 - 20 cm, ? green catkins, 10 - 25 cm, May Fruits round to somewhat ovoid, about 3 cm, in clusters of up to 20 Spines/thorns None Toxicity usually not toxic to people, (large) pets and livestock Soil type any, if fertile Paving tolerates no paving Winter hardiness zone 5b (-26,0 to -23,4 °C) Wind resistance good Other resistances resistant to frost (WH 1 - 6), can withstand wind Application parks, cemeteries, large gardens Shape clearstem tree, multi-stem treem Origin Japan, Sakhalin Synonyms Juglans sieboldiana Large park tree with broad, round crown, up to 20 m tall and broad. The first-year twigs are densely covered with glandular hairs, but have hardly any hairs in their second year. The large, imparipinnate leaves are 40 - 60 cm long and up to 90 cm long in young, vigorously growing trees. They consist of 11 to 17 dark green leaf segments and the leaf margins have shallow serrations. The male flower catkins can be 25 cm long. The flowers appear in May, soon after the leaves emerge. The fruits hang in clusters of up to 20. The husks carry sticky hairs. The nut has a short, pointed tip and a fairly thick membrane where the two halves meet. Grows on almost any soil, as long as fertile. Does need space to develop a good, regular crown. © Copyright Boomkwekerij Gebr. Van den Berk B.V. 2021.

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Identifying Species and Hybrids in the Genus Juglans by Biochemical Profiling of Bark
ISSN 2226-3063 e-ISSN 2227-9555 Modern Phytomorphology 14: 27–34, 2020 https://doi.org/10.5281/zenodo.200108 RESEARCH ARTICLE Identifying species and hybrids in the genus juglans by biochemical profiling of bark А. F. Likhanov *, R. I. Burda, S. N. Koniakin, M. S. Kozyr Institute for Evolutionary Ecology, National Academy of Sciences of Ukraine, 37, Lebedeva Str., Kyiv 03143, Ukraine; * likhanov. [email protected] Received: 30. 11. 2019 | Accepted: 23. 12. 2019 | Published: 02. 01. 2020 Abstract The biochemical profiling of flavonoids in the bark of winter shoots was conducted with the purpose of ecological management of implicit environmental threats of invasions of the species of the genus Juglans and their hybrids under naturalization. Six species of Juglans, introduced into forests and parks of Kyiv, were studied, namely, J. ailantifolia Carrière, J. cinerea L., J. mandshurica Maxim., J. nigra L., J. regia L., and J. subcordiformis Dode, cultivar J. regia var. maxima DC. ′Dessert′ and four probable hybrids (♀J. subcordiformis × ♂J. ailantifolia; ♀J. nigra × ♂J. mandshurica; ♀J. cinerea × ♂J. regia and ♀J. regia × ♂J. mandshurica). Due to the targeted introduction of different duration, the invasive species are at the beginning stage of forming their populations, sometimes amounting to naturalization. The species-wise specificity of introduced representatives of different ages (from one-year-old seedlings to generative trees), belonging to the genus Juglans, was determined. J. regia and J. nigra are the richest in the content of secondary metabolites; J. cinerea and J. mandshurica have a medium level, and J. ailantifolia and J. subcordiformis-a low level. On the contrary, the representatives of J.
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