GUADUA is a genus of giant, thorny, tropical clumping bamboos native to the New World. Clumps very open. Some older references include them in Bambusa.
|Genus species||Max Height||Max Diameter||Minimum Temperature||Comments/Description|
|G.amplexifolia||60||‘4″||28F||Short internodes, semi-solid in lower culm.|
|G.angustifolia||100′||8″||30F||The largest of the Guaduas. Culms used for construction. Grows to at least 70′ & 6.5″ dia. in S.Florida.|
|G.angustifolia ‘Bicolor’||100′||8″||30F||Similar to G.angustifolia, but with large yellow stripes on green culms.|
|G.angustifolia ‘Lesser Thorny’||100′||8″||30F||Similar to G.angustifolia, but with significantly fewer and smaller thorns.|
|G.chacoensis||85′||7″||?||A large, woody, thorny, green bamboo with erect culms. From Argentina, Paraguay, and Brazil. Frequently confused with G.angustifolia. May grow taller than listed|
|G.velutina||60′||4″||28F||Similar to G.amplexifolia. Culms thick-walled but not solid. New shoots have beautiful maroon culm sheaths which cling to the lower internodes.|