Pterostyrax corymbosa – Pterostyrax corymbosa

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Juglandaceae

Pterostyrax corymbosa – Pterostyrax corymbosa

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Pterostyrax corymbosus is a medium-sized tree that can grow 10-15 m tall. Its broad crown is fan-shaped to round and, because of its fairly substantial leaves, dense. The twigs are grey to grey-brown, as is the older bark, which is slightly grooved. The branches are quite brittle, so they break easily during (very) strong winds. The rather large, glossy leaves have a somewhat papery feel. The mature leaves are hairless on top and hairy on the underside. The white flowers appear in broad panicles up to 6 cm long and open in June, slightly earlier than the flowers of P. hispidus. The individual flowers are about 1 cm in size and have a pleasant fragrance. They are abundantly pollinated by bees. The fruits of P. corymbosus are about 2 cm in size and densely hairy, a marked difference from the other species of Pterostyrax. Pterostyrax corymbosus grows in any type of soil, as long as it is sufficiently moist. More acidic or calcareous soil is also well tolerated. The tree has poor tolerance to prolonged drought. Naturally, P. corymbosus grows on moist, shaded mountain slopes and along streams and rivers in southwest China and Japan.

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Specifications
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Height
10 - 15 m
Width
10-15m
Crown
oval, half-open crown
Bark and branches
branches gray to gray brown: bark grey-brown, grooved
Leaf
obovate to oval, 6-14 cm long, glossy green
Flowers
in panicles, 3-6 cm long, flowers approx. 1 cm large, white, June
Fruits
drupe, obovate, 1.2-2.2 cm, densely hairy
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil, calcareous soil
Paving
tolerates no paving
Winter hardiness zone
7a (-17,7 to -15,0 °C)
Wind resistance
not good
Fauna tree
valuable for bees (honey plant)
Shape
clearstem tree, multi-stem treem
Clear stem tree Multi-stem tree calcareous soil clay soil loamy soil sandy soil tolerates no paving broad vase-shaped 3rd size, smaller than 6 metres dense crown green white June early sprout average growing Conspicuous bloom valuable for bees (honey plant) non-toxic (usually) Fragrant flowers
Frequently asked questions
Pterostyrax corymbosa

Pterostyrax corymbosa can eventually reach a height of 10 - 15 m, depending on the site and climate conditions.

Pterostyrax corymbosa is average growing and can eventually reach a height of 10 - 15 m, depending on the site and climate conditions.

The right time to plant Pterostyrax corymbosa is during the dormancy period. In Western Europe, Pterostyrax corymbosa 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.

Pterostyrax corymbosa blooms in june.
General