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Gnetum is a genus of about 30-35 species of gymnosperms, the sole genus in the family Gnetaceae and order Gnetales. They are tropical evergreen trees, shrubs and lianas. Unlike other gymnosperms they possess vessel elements.
Species
- Gnetum sect. Gnetum
- Gnetum subsect. Gnetum - 2 species of trees; southeast Asia
- Gnetum subsect. Micrognemones - 2 species of lianas; tropical west Africa
- Gnetum subsect. Araeognemones - 9 species of lianas; tropical South America and Central America - Ituá
- Gnetum sect. Scandentia - about 20 species of lianas; southern Asia
- Gnetum subsect. Stipitati
- Gnetum subsect. Sessiles
- Gnetum acutum
- Gnetum bosavicum
- Gnetum cleistostachyum
- Gnetum cuspidatum
- Gnetum diminutum
- Gnetum globosum
- Gnetum gnemonoides
- Gnetum hainanense
- Gnetum klossii
- Gnetum leptostachyum
- Gnetum loerzingii
- Gnetum luofuense
- Gnetum macrostachyum
- Gnetum microcarpum
- Gnetum neglectum
- Gnetum oxycarpum
- Gnetum parvifolium
- Gnetum raya
- Gnetum ridleyi
Uses
Many Gnetum species are edible, with the seeds being roasted, and the foliage used as a leaf vegetable. Some are also valued in herbal medicine.