Pterocraya stenoptera – Chinese wing nut

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Juglandaceae

Pterocraya stenoptera – Chinese wing nut

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Usually grows branches low down and forms a dense crown with several heavy main branches. Because of the low branching and widely spreading lateral branches old specimens are sometimes broader than they are tall. Old trunks are dark grey and deeply grooved. The dark greenish-brown twigs carry a great many lenticels. The hairless leaf buds are on short stems. Young emerging leaves can be damaged by a late night frost but recover easily. The large pinnate leaves consist of 13 to 21 (sometimes 25) lanceolate leaflets. These are 4 - 10 cm long. The leaf stem has prominent wings. The round to ovoid nutlets have two narrow wings. The pendulous fruit catkins remain on the tree during the winter months. Forms root suckers only when the tree is in a bad condition. Resistant to long-lasting flooding. Cannot take sea wind.
Availability
Clear stem (4)
Specifications
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Height
15 - 20 m
Crown
broad, rounded and dense, dark, dense crown
Bark and branches
grey, deeply grooved, twigs greenish-brown
Leaf
imparipinnate, dark green, 20 - 45 cm long, feathered leaf
Flowers
pendulous catkins, green, ♀ 20 cm, ♂ 8cm, May
Fruits
pendulous fruit catkins, approx. 18 cm, winged nutlets
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
fertile and moisturous
Soil moisture
suitable for wet soil
Paving
tolerates paving
Winter hardiness zone
6b (-20,5 to -17,8 °C)
Wind resistance
moderate to good, cannot take sea wind
Other resistances
resistant to frost (WH 1 - 6)
Application
avenues and broad streets, parks, squares, cemeteries, large gardens
Shape
clearstem tree, multi-stem treem
Origin
China
Clear stem tree Multi-stem tree calcareous soil clay soil loamy soil sandy soil tolerates paving resistant to frost (WH 1 - 6) suitable for wet soil 1st size , taller than 12 metres dense crown green green early sprout average growing Feathered leaf non-toxic (usually) Ornamental fruit
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Frequently asked questions
Pterocraya stenoptera

Pterocraya stenoptera can eventually reach a height of 15 - 20 m, depending on the site and climate conditions.

Pterocraya stenoptera is average growing and can eventually reach a height of 15 - 20 m, depending on the site and climate conditions.

The right time to plant Pterocraya stenoptera is during the dormancy period. In Western Europe, Pterocraya stenoptera with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Pterocraya stenoptera blooms in may.
General