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Fred Hornaday: writer, consultant, and a leading voice in the world of bamboo.
Running Bamboo
NB: Running bamboo is NOT a noxious weed but it can be invasive and especially so in urban domestic gardens. When it does not pay attention to people's boundaries this can present problems.
However, this running habit can be an advantage in situations where soil erosion and like situations are the issue.
Also, it's a possiblity to contain running bamboos an in recent years with the growing popularity of raised garden beds they are effective in curbing running bamboo's inclinationto invade.
Ultimately, there is always the human factor that solves all probems like this and especially so when the plant is in some way useful. UNSUTAINABLY HARVEST IT ... JOB DONE!!
Bamboo structure
Bamboo is unique in that it is a large grass with wood-like attributes.- Culms are the upright stems, also known as canes.
- Rhizomes are perennial stems that run horizontally underground and contribute to the spread of the colony; they grow roots and culms as they travel.
- Nodes are the joints between sections of culm or rhizome, and are the point from which leafy branches or roots emerge; in bamboo, the nodes are solid.
- Internodes are any sections of culm or rhizome that are between nodes; in bamboo, internodes are hollow.
- Sheaths are the papery protective covers on new emerging culms; they shed as the culms grow (timing depends on species) and add to the leafy litter mulching the ground at the plant’s base.
Clumping versus running bamboo
- Pachymorph is the term for types of bamboo that clump; their slow-spreading rhizomes have culms spaced closely together, and their root systems are extremely dense and compact. Clumping bamboos are considered non-invasive; Fountain Bamboo (Fargesia) is the main genus of clumping-type bamboos that can be grown in Maryland. There are several species known by an array of common names.
- Leptomorph is the term for types of bamboo that spread or “run”; their fast-spreading rhizomes have culms spaced further apart. Mature colonies of running bamboo create forests of growth. Rhizomes can run indefinitely unless damaged at the growing tip, at which point they stop producing new culms.
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