EVERGREEN

Plant Encyclopedia

Carpinus laxiflora

Carpinus laxiflora ("Akashide")

Japanese name: アカシデ (赤四手)
Scientific name: Carpinus laxiflora

Carpinus laxiflora

[Overview]
A deciduous tree 10–15 m tall, found in somewhat moist, fertile places.
Young branches are usually tinged with reddish brown and are at first covered with long hairs.
The twigs are tinged with purple.
The leaves are simple and alternate in two rows, ovate to ovate-elliptic, 3–7 cm long and 2–3.5 cm wide.
There are 7–15 pairs of lateral veins.
The leaf margins have irregular fine double serrations.
The new shoots in spring are especially red and beautiful, and the leaves turn red in autumn.
There are male and female flowers, both borne in catkins, and they open as the leaves unfold.
The male catkins are 4–5 cm long and hang down from the leaf axils of last year's branches; the female catkins are borne at the tips of new shoots.
The fruit is a nut enclosed in a bract.
The bract is long ovate-triangular, 1–1.8 cm long, divided into 3 lobes at the base, with a few coarse serrations on one side only.
The fruit cluster is cylindrical, 4–10 cm long, and hangs down.
The fruit cluster has a stalk 2–3 cm long.

[Uses]
The wood is used for furniture, tools and utensils, decorative alcove posts, and as logs for growing shiitake mushrooms.

[Cultivation]
Propagate from seed, cuttings or layering.
It prefers a sunny site with soil that is well drained and retains water well.
Move potted plants to partial shade in midsummer so that the soil does not dry out too much.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
Apply organic fertilizer in winter.
There are no particular pests or diseases.

Details

Names
Japanese: アカシデ(赤四手)、シデノキ、ソロノキ、コソロ、コシデ
Life form
Tree
Evergreen / deciduous
Deciduous
Leaf type
Broadleaf
Habit
Terrestrial
Planting (or sowing) season
November, December, February, March
Flowering season
April, May
Fruiting season
August, September
Distribution or origin
Japan (Hokkaido: southwestern and Pacific side of Tokachi and Kushiro regions to Kyushu), Korea
Growth form
Upright
Height
10000–15000 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Alternate
Leaf margin
Doubly serrate
Inflorescence
Catkin
Inflorescence length
40–50
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Seed, Cuttings
Sun exposure
Full sun, Partial shade
Water needs
Moderate
Soil needs
Required
Tolerance
Cold tolerance
Suitable uses
Bonsai, Parks and gardens
Hardiness zone
6a–9a
Uses
Other crafts
Japan Flower Trade Code
32127

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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