Status:
valid
Authors:
Thunb.
Source:
cmp
Year:
1784
Citation Micro:
Syst. Veg., ed. 14 (J. A. Murray). 702. 1784 [May-Jun 1784]
WFO Identifier:
wfo-0000727778
Common Names
- Japanese St. John's Wort
- Japanese Hypericum
- Japanese St. Johnswort
Description
Hypericum japonicum (also called Japanese St. John's Wort, among many other common names) is a perennial herbaceous plant native to Japan. It grows in moist meadows, woodlands, and along roadsides. It has yellow flowers and small, oval leaves.
Uses & Benefits
Hypericum japonicum is used as an ornamental plant in gardens and as a hedge plant. It is also used medicinally to treat skin diseases, wounds, and fever.
Flower, Seeds and Seedlings
The flower of Hypericum japonicum is a yellow star-shaped flower with five petals. Its seeds are small, black and oval-shaped. The seedlings are small, green and have a single stem.
Cultivation and Propagation
Hypericum japonicum is a deciduous shrub that can reach up to 2m in height. It is native to Japan. It prefers full sun and well-drained soil. Propagation is usually done by seed or cuttings. Seeds should be sown in spring or early summer in a cold frame or in pots in a cold greenhouse. Cuttings should be taken in summer and rooted in a cold frame or in pots in a cold greenhouse.
Where to Find Hypericum japonicum
Hypericum japonicum can be found in Japan.
Hypericum japonicum FAQ
What is the scientific name of Hypericum japonicum?
Hypericum japonicum
What is the common name of Hypericum japonicum?
Japanese St. John's-wort
What is the natural habitat of Hypericum japonicum?
It is found in the mountains of Japan
Species in the Hypericum genus
Species in the Hypericaceae family
Cratoxylum arborescens,
Cratoxylum cochinchinense,
Cratoxylum formosum,
Cratoxylum glaucum,
Cratoxylum maingayi,
Cratoxylum sumatranum,
Eliea articulata,
Harungana madagascariensis,
Harungana montana,
Harungana montana,
Harungana rubescens,
Hypericum abilianum,
Hypericum aciferum,
Hypericum acmosepalum,
Hypericum acostanum,
Hypericum addingtonii,
Hypericum adenotrichum,
Hypericum adpressum,
Hypericum aegypticum,
Hypericum aethiopicum,
Hypericum afrum,
Hypericum amblyocalyx,
Hypericum amblysepalum,
Hypericum andjerinum,
Hypericum androsaemum,
Hypericum annulatum,
Hypericum apiculatum,
Hypericum apricum,
Hypericum armenum,
Hypericum asahinae,
Hypericum ascyron,
Hypericum asperuloides,
Hypericum asperulum,
Hypericum assamicum,
Hypericum athoum,
Hypericum atomarium,
Hypericum attenuatum,
Hypericum aucheri,
Hypericum augustinii,
Hypericum australe,
Hypericum aviculariifolium,
Hypericum baccharoides,
Hypericum balearicum,
Hypericum balfourii,
Hypericum barbatum,
Hypericum beanii,
Hypericum beccarii,
Hypericum bellum,
Hypericum benghalense,
Hypericum bequaertii,