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Jatropha curcas (jatropha) J. curcas has been deliberately introduced into many countries for ornamental or medicinal purposes, or for exploitation of the oil as a...
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Juglans cinerea (butternut) J. cinerea is a small to medium-sized tree native to North America that grows on well drained soils on hillsides and stream banks in mixed hardwood...
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Juglans mandshurica (Manchurian walnut) J. mandshurica is a rare and valuable broadleaved timber species (up to 20 m tall and 30-40 cm in diameter) found in north-east and northern China....
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Juglans nigra (black walnut) J. nigra, a native of eastern North America from Ontario south to Texas and Florida, is regarded as one of the most valuable hardwood species in...
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Juglans regia (walnut) J. regia is economically an important, multipurpose temperate tree species, which yields both fruit (from which an edible oil can be extracted, or...
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Juniperus chinensis (Chinese juniper) J. chinensis is a large, evergreen tree reaching a height of 30 m and a diameter of 3.5m. The habit is extremely variable; the crown maybe broad or...
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Juniperus excelsa (eastern savin) Taxonomically J. excelsa belongs to section Sabina (Riedl, 1968), which is still insufficiently recognized. The species is closely related to the...
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Juniperus foetidissima J. foetidissima is a medium-size tree up to 10-15 m tall and 50-60 cm d.b.h., but sometimes it attains larger dimensions (20-22 m tall and even 2 m...
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Juniperus oxycedrus (prickly juniper) J. oxycedrus is a dioecious evergreen shrub or small tree, usually to height 6-8 m, but may reach 14-20 m. Crown globose. As a shrub, it is...
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Juniperus procera (African pencil cedar) J. procera is of exceptional interest as being one of only a few indigenous African conifers, others including Afrocarpus falcatus, Podocarpus spp....
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