EVERGREEN

Plant Encyclopedia

Hypericum monogynum

Hypericum monogynum ("Biyoyanagi")

Japanese name: ビヨウヤナギ (美容柳、未央柳)
Scientific name: Hypericum monogynum

Hypericum monogynum

[Overview]
A semi-evergreen shrub about 1 m tall.
The branches are well branched, bright brown and glossy, with the tips slightly drooping.
Leaves are simple and decussate, oblong, 3–8 cm long and 1–2.5 cm wide, with rounded tips and many translucent glandular dots on the upper surface.
The underside of the leaves is powdery white.
There is no leaf stalk.
The flowers are borne singly at the branch tips or in cymes of 3–7; they are deep yellow with 5 petals, about 5 cm across, and the many long stamens are conspicuous.

[Cultivation]
Propagate from seed, by cuttings, or by division.
It prefers a place in sun to partial shade with good drainage and good water retention, and dislikes dryness.

Details

Names
Japanese: ビヨウヤナギ(美容柳、未央柳)
Life form
Shrub
Evergreen / deciduous
Semi-evergreen
Leaf type
Broadleaf
Habit
Terrestrial
Planting (or sowing) season
March, April, May, September, October
Flowering season
June, July
Distribution or origin
China (Hebei to Guangdong), Taiwan
Growth form
Branching
Height
1000 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Opposite
Leaf margin
Entire
Inflorescence
Solitary, Cyme
Number of petals
5
Flower color
Yellow
Flower diameter
50
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Seed, Cuttings, Division
Sun exposure
Full sun, Partial shade
Water needs
Moderate
Soil needs
Required
Suitable uses
Potted plant, Hedge, Parks and gardens, Street trees, Container
Pests
Leafrollers
Japan Flower Trade Code
21531

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

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