Aleurites cordata - Japan Wood-Oil Tree
Famille: Euphorbiaceae, Genre: Aleurites
Arbre à feuilles persistantes (7m de haut).
Habitat
- Exposition
- Plein soleil ou mi-ombre
- Humidité
- Humidité moyenne.
- Sol
- Sol léger à moyen. Nécessite un sol drainant.
- pH
- Non calcaire
- Rusticité
- Zone 10
- Habitat originel
- Rocky places to 1000 metres in W. China[109]. Montane sparse forests below 1550 metres[266].
- Origine géographique
- E. Asia - China, Japan, but widely cultivated in eastern Asia.
Dangers connus
- The oil from the seed is poisonous [65].
Autres usages
- A drying oil obtained from the seed is used for treating woodwork, for lighting, soap making, varnish etc [1, 46, 61].
Culture
- Easily grown in a loamy soil but plants are unable to withstand much frost [1].
- Requires a lime-free soil [200].
- Plants are not hardy outdoors in Britain [200].
- There is some confusion over the name of this species, it is included by some authorities as a synonym of A. fordii (q.v.), though this synonymy might refer to A. cordata .
- Muell-Arg [109].
- A. cordata.(A.Juss.)Steud. is a synonym of A. montana .
- (Lour.)Wilson. a tree that is native to S.W .
- China [171].
- This species (A cordata [Thunb.)Steud.) is cultivated for its oil in western Japan [275].
- It is distinguished from A. montana by the glands at apex of petiole and the leaves with white or brown hairs at branching parts of veins of lower surface [275].
- Aleurites montana (Lour.) Wilson, which is distributed in S. China to Indochina and cultivated in China and rarely in western Japan, differs from A. fordii in having ovoid verrucose fruits, that of A. fordii being smooth and spherical [275].
- Aleurites fordii Hemsl. is cultivated in China and sometimes in Japan [275].
- Aleurites moluccana (L.) Willd. is cultivated in Okinawa Islands (Naha, Kunigami) and different from all of them by the small flowers not over 1 cm long and the leaves without glands [275].
Propagation
- Seed - sow March/April in a warm greenhouse .
- When large enough to handle, prick the seedlings out into individual pots and grow them on for at least the first winter in a greenhouse .
- Plant out in early summer and give the plants some protection from the cold for their first winter outdoors .
- Cuttings of mature wood in a frame [200].
Calendrier
- En fleur
- 6 - 7
- En feuille
- 1 - 12
Pollinisation
- Type de fleur
- Monoïque (des fleurs mâles et des fleurs femelles peuvent se trouver sur le même plant)
- Auto-fertile
- Oui
Divers
- Pollution
- Non
- Autres réferences
- [266, 275]
Réferences
[1] RHS Dictionary of Plants plus Supplement. 1956 1951.
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
[46] Dictionary of Economic Plants. 1959.
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
[61] A Dictionary of Plants Used by Man. 1974.
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
[65] A Colour Atlas of Poisonous Plants. 1984.
Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.
Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.
[109] Plantae Wilsonae.
Details of the palnts collected by the plant collector E. H. Wilson on his travels in China. Gives some habitats. Not for the casual reader.
Details of the palnts collected by the plant collector E. H. Wilson on his travels in China. Gives some habitats. Not for the casual reader.
[171] Economic Botany. 1952.
Not very comprehensive, but it is quite readable and goes into some a bit of detail about the plants it does cover.
Not very comprehensive, but it is quite readable and goes into some a bit of detail about the plants it does cover.
[200] The New RHS Dictionary of Gardening. 1992. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[266] Flora of China 1994.
On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.
On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.
[275] Flora of Japan 0.
An on-line version of the flora - an excellent resource.
An on-line version of the flora - an excellent resource.
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