View source for Gnetum

{{SPlantbox
|familia=Gnetaceae
|genus=Gnetum
|habit=tree
|habit_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|Temp Metric=°F
|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
|image=Gnetum gnemon BotGardBln1105C.JPG
|image_width=240
}}
'''''Gnetum''''' is a genus of about 30-35 species of [[gymnosperm]]s, the sole genus in the family '''Gnetaceae''' and order '''Gnetales'''. They are [[tropical]] [[evergreen]] [[tree]]s, [[shrub]]s and [[liana]]s. Unlike other gymnosperms they possess [[vessel elements]] in the [[xylem]]. Some species have been proposed to have been the first plants to be insect pollinated as they occur in association with the extinct pollinating [[scorpionflies]].<ref name="Ren">Ren D, Labandeira CC, Santiago-Blay JA, Rasnitsyn A, Shih CK, Bashkuev A, Logan MA, Hotton CL, Dilcher D. (2009). Probable Pollination Mode Before Angiosperms: Eurasian, Long-Proboscid Scorpionflies. Science, 326 (5954), 840-847. {{DOI|10.1126/science.1178338}}</ref>

Many ''Gnetum'' species are edible, with the [[seed]]s being roasted, and the foliage used as a [[leaf vegetable]]. Some are also valued in [[herbal medicine]].

==Cultivation==


===Propagation===


===Pests and diseases===


==Species==
*''Gnetum'' sect. ''Gnetum''
**''Gnetum'' subsect. ''Gnetum'' - 2 species of trees; southeast [[Asia]]
***''[[Gnetum gnemon]]''
***''[[Gnetum costatum]]''
**''Gnetum'' subsect. ''Micrognemones'' - 2 species of lianas; tropical west [[Africa]]
***''[[Gnetum africanum]]''
***''[[Gnetum buchholzianum]]''
**''Gnetum'' subsect. ''Araeognemones'' - 9 species of lianas; tropical [[South America]] and [[Central America]] - Ituá
***''[[Gnetum amazonicum]]''
***''[[Gnetum camporum]]''
***''[[Gnetum leyboldii]]''
***''[[Gnetum nodiflorum]]''
***''[[Gnetum paniculatum]]''
***''[[Gnetum schwackeanum]]''
***''[[Gnetum urens]]''
***''[[Gnetum venosum]]''
*''Gnetum'' sect. ''Scandentia'' - about 20 species of lianas; southern Asia
**''Gnetum'' subsect. ''Stipitati''
***''[[Gnetum arboreum]]''
***''[[Gnetum contractum]]''
***''[[Gnetum gracilipes]]''
***''[[Gnetum latifolium]]''
***''[[Gnetum montanum]]''
***''[[Gnetum oblongum]]''
***''[[Gnetum pendulum]]''
***''[[Gnetum tenuifolium]]''
***''[[Gnetum ula]]''
**''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]]''

==Gallery==
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==References==
<references/>
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->

==External links==
*{{wplink}}

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