GUADUA angustifolia: 30m x 23cm, -3°C°C°C - Native to north eastern S. America where it is the best species for construction. Culms have short internodes, are durable and pest resistant. See -'Tropical Bamboo' pub. Rizzoli. New York, 1990, ISBN 0-8478-1192-1, for details about this amazing species in Colombia, Seedling 93'