http://www.gb-online.co.uk/plant_cen...os/bamboo1.jpg

High Res http://www.gb-online.co.uk/plant_cen...s/bamboo1a.jpg

Is a small clump forming bamboo, does not seem to spread, and grows to
about 4 ft tall. The leaves are reasonably large. Grows anywhere.
Photo is approx 2ft tall.

and

http://www.gb-online.co.uk/plant_cen...os/bamboo2.jpg

High Res http://www.gb-online.co.uk/plant_cen...s/bamboo2a.jpg

Is a large clump forming bamboo, spreads but not too much, and grows
to about 12 ft tall. The leaves are narrow. Grows anywhere.
Photo is approx 6ft tall