Zanthoxylum Backeri
''Zanthoxylum'' is a genus of about 250 species of deciduous and evergreen trees, shrubs and climbers in the Family (biology), family Rutaceae that are native to warm temperate and Subtropics, subtropical areas worldwide. It is the type genus of the tribe Zanthoxyleae in the subfamily Rutoideae# Zanthoxyleae, Rutoideae. Several of the species have yellow Wood#Heartwood_and_sapwood, heartwood, to which their generic name alludes. Description Plants in the genus ''Zanthoxylum'' are typically dioecious shrubs, trees or woody climbers armed with Trichome#Plant_trichomes, trichomes. The leaves are arranged alternately and are usually Pinnation, pinnate or Glossary of leaf morphology#trifoliate, trifoliate. The flowers are usually arranged in panicles and usually function as male or female flowers with four sepals and four petals, the sepals remaining attached to the fruit. Male flowers have four stamens opposite the sepals. Female flowers have up to five, more or less free Gynoec ...
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Zanthoxylum Kauaense
''Zanthoxylum kauaense'', commonly known as ''ae'' or Kauai pricklyash, is a species of flowering plant in the family Rutaceae, that is Endemism, endemic to Hawaii. It usually inhabits Hawaiian tropical rainforests#Mixed mesic forests, mixed mesic forests at elevations of , but can also be found in Hawaiian tropical dry forests, dry and Hawaiian tropical rainforests#Wet forests, wet forests. It is threatened by habitat loss. References

Zanthoxylum, kauaense Endemic flora of Hawaii Trees of Hawaii Near threatened plants Taxonomy articles created by Polbot {{rosid-tree-stub ...
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