1) Genus phyllostachys 2) Liliopsid genus 3) Monocot genus 
The stem or culm has a prominent groove, called a sulcus, that runs along the length of each segment (or internode). Because of this it is one of the most easily identifiable genera of bamboo. There are approximately 75 species and 200 varieties and cultivars of Phyllostachys. The largest grow to be about 100 feet (30 m) tall in optimum conditions...
(Bamboo) This group of Bamboos is native to the Himalayas and eastern Asia. They produce long, graceful branches and grow up to a height of 25 feet. These Bamboos can be grown outdoors in the mild regions of North America. Bamboos need to be grown in moist soil at all times, especially during dry periods; therefore, they are great for planting near...
Phyllostachys is a genus of arborescent grasses, natives of China and Japan. They bear loose panicles of flower-spikes, and the stems are semi-erect. The species Phyllostachys nigra yields whangee canes.
[n] - medium and large bamboos
genus Phyllostachys noun medium and large bamboos