Fraxinus longicuspis - Siebold.&Zucc.
Common Name
Family Oleaceae
USDA hardiness 5-9
Known Hazards None known
Habitats Deciduous forests in mountains at elevations of 100 - 1100 metres, C. and S. Japan[58, 275].
Range E. Asia - central and southern Japan.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Fully Hardy Moist Soil Full sun

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Fraxinus longicuspis

Fraxinus longicuspis
Physical Characteristics
 icon of manicon of lolypop
Fraxinus longicuspis is a deciduous Tree growing to 8 m (26ft 3in).
It is hardy to zone (UK) 6. It is in flower from Apr to May. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.
It can tolerate atmospheric pollution.

F. pubinervis. Blume.

Woodland Garden Secondary;
Edible Uses
None known
Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Astringent;  Tonic.

Astringent. A tonic for the genito-urinary system[178].


Other Uses

A bluish indelible dye is produced by steeping the bark in water[178].
Cultivation details
Prefers a deep loamy soil, even if it is on the heavy side[1, 200]. Most members of this genus are gross feeders and require a rich soil[11, 200]. Plants succeed when growing in exposed positions[200] and also in alkaline soils[11]. They tolerate atmospheric pollution[200]. This species is closely related to F. chinensis[11]. There is some confusion over the correct name for this species. The information was gathered under the name F. pubinervis which, according to [11] is a synonym for F. longicuspis Sieb.&Zucc. However, [200] says that F. pubinervis a synonym for F. sieboldiana and that F. longicuspis Hort. is also a synonym of F. sieboldiana. This species might be dioecious, in which case male and female plants must be grown if seed is required.
The seed is best harvested green - as soon as it is fully developed but before it has fully dried on the tree - and can then be sown immediately in a cold frame[80]. It usually germinates in the spring[80]. Stored seed requires a period of cold stratification and is best sown as soon as possible in a cold frame[200]. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a cold frame for their first winter. Plant them out into their permanent positions or a nursery bed in late spring or early summer of the following year. If you have sufficient seed then it is possible to sow it directly into an outdoor seedbed, preferably in the autumn. Grow the seedlings on in the seedbed for 2 years before transplanting either to their permanent positions or to nursery beds.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Fraxinus americanaWhite Ash12
Fraxinus angustifoliaNarrow-Leaved Ash10
Fraxinus bungeanaXiao Ye Qin02
Fraxinus chinensis rhynchophyllaHua Qu Liu02
Fraxinus excelsiorAsh, European ash, Common Ash22
Fraxinus floribundaHimalayan Ash22
Fraxinus hookeri 00
Fraxinus latifoliaOregon Ash01
Fraxinus nigraBlack Ash01
Fraxinus ornusManna Ash, Flowering ash33
Fraxinus pennsylvanicaRed Ash, Green ash, Water Ash11
Fraxinus quadrangulataBlue Ash00
Fraxinus sieboldianaAsh00
Fraxinus texensisTexas White Ash00
Fraxinus velutinaArizona Ash, Velvet ash, Modesto Ash, Fantex Ash00
Fraxinus xanthoxyloides 00


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Botanical References
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Readers comment
Murat KARA   Thu Apr 28 11:36:17 2005
Common name:Japan Ash
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Subject : Fraxinus longicuspis  

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