EVERGREEN

Plant Encyclopedia

Clerodendrum japonicum

Clerodendrum japonicum ("Higiri")

Japanese name: ヒギリ (緋桐)
Scientific name: Clerodendrum japonicum

Clerodendrum japonicum

[Overview]
An evergreen shrub reaching 2 m tall.
Leaves are simple and opposite, ovate-orbicular, 15–30 cm long.
The leaf margin has small teeth, and both surfaces are densely covered with small scales.
The petioles are long.
Conical cymes 30–50 cm long at the stem tips bear many flowers.
The flowers are scarlet, 2–3 cm across.
The corolla is 5-lobed and the stamens project far out.
The inflorescence axis, flower stalks and calyx are also red, so the whole inflorescence looks red.
The fruit is a drupe.

[History]
Introduced to Japan long ago, it is described in the Kadan Chikinsho (1695).

[Cultivation]
Propagate by cuttings or root cuttings.
It prefers a sunny site.
It drops its leaves in cold temperatures, so it is best kept at 10 degrees or above.

Details

Names
Japanese: ヒギリ(緋桐)、トウギリ(唐桐)
Life form
Shrub
Evergreen / deciduous
Evergreen
Leaf type
Broadleaf
Habit
Terrestrial
Planting (or sowing) season
May, June
Flowering season
July, August, September
Distribution or origin
India
Growth form
Branching
Height
2000 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Opposite
Leaf margin
Serrate
Inflorescence
Cyme
Flower color
Red
Flower diameter
20–30
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Cuttings
Sun exposure
Full sun
Water needs
Moderate
Soil needs
Required
Tolerance
Cold intolerance
Suitable uses
Potted plant, Parks and gardens
Japan Flower Trade Code
22879

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

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