''Dendrocalamus sinicus'', the dragon bamboo, is a gigantic clumping bamboo native to Yunnan Province of

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

and to

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

. It has the largest culms of any known species of bamboo; up to wide with culm walls up to thick and the culm up to in height. Each culm can weigh up to apiece.http://www.bamboocraft.net/bamboo/showphoto.php?photo=3249&size=big&cat= A good photograph of a mature culm. A plant eventually consists of about one hundred culms. This species was unknown to science prior to 1980, although well known to the citizens of Yunnan and Laos for centuries.

References

sinicus Sinice in the chapelle de l'ancien séminaire at Reims.Sinice of Reims or Saint Sinice was a 3rd-century French saint and Bishop of Soissons. As a priest, Sinice evangelized the regions of Soissons and Reims in the company of Sixtus of Reims, ...

Plants described in 1982 {{bamboo-stub